{"title":"Parsun 25HP 2-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;\"\u003e\n  \u003cp\u003eThis page focuses on Parsun 2‑Stroke 25HP outboard engines. It helps you identify compatible parts and find service information, with maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Parsun parts categories and scroll to the bottom of this page to start browsing parts for this engine. On the collection pages, use the “Filter \u0026amp; Sort” controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;margin-top:8px;padding:10px 14px;background:#0ea5e9;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 25HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the nameplate\/serial sticker on the transom bracket or swivel bracket. It typically lists model designation, serial number, and shaft length.\u003c\/li\u003e\n    \u003cli\u003eModel codes and suffix letters often indicate shaft length (S\/L\/XL), tiller vs. remote control, and electric vs. manual start. Check the full code to match parts correctly.\u003c\/li\u003e\n    \u003cli\u003eParsun 25HP 2‑Stroke models are usually carbureted twin‑cylinder engines. Look for a 2‑cylinder powerhead with a single carburetor and a manual or electric starter.\u003c\/li\u003e\n    \u003cli\u003eIf your outboard has oil injection or requires premix, note that configuration on the tag or in the manual—some parts differ between premix and oil‑injected variants.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eParsun 25HP 2‑Stroke Platform\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eInline‑2, carbureted 2‑Stroke; manual or electric start; tiller or remote control options.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eGeneral 25HP 2‑Stroke variants (short\/long shaft, tiller\/remote). Exact code and suffix determine specific fittings.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eLightweight, simple carburetion, strong low‑to‑mid torque, straightforward DIY service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eVerify shaft length and control type before ordering. Some parts interchange by platform and year; always confirm via model\/serial plate.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the service schedule and specifications in your official owner’s\/service manual.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eLower unit gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eInspect magnet and oil for metal; replace seals if water intrusion is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eInspect every 50 hours; replace 100 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eUse correct heat range and gap; replace sooner if fouled or corroded.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eFuel filter \/ water‑separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e100 hours or annually; more often in harsh conditions\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eReplace clogged or water‑contaminated elements to protect carburetor.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eEvery 2 seasons (12–24 months) or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eReplace impeller more frequently if operated in sandy\/silty water or if tell‑tale is weak.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eAnodes (sacrificial zinc\/aluminum)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eChoose alloy for your water (salt, brackish, or fresh). Keep anodes clean and unpainted.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e2‑Stroke oil supply (premix or oil injection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eCheck every outing\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eVerify correct premix ratio per manual or that the oil pump\/lines are intact and bled of air.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eOil\/Fuel Hoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50 hours or after impacts\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRemove prop to check for fishing line at seals; inspect blades and hub for damage.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px;color:#6b7280;margin-top:8px;\"\u003e*Intervals may vary by operating environment and duty cycle.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service — \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System — \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System — \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCarburation — \u003ca href=\"https:\/\/seasierra.com\/collections\/carburetor\"\u003eCarburetor\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical — \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion — \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection — \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eInspect intake screens for blockage; verify impeller condition; check thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eWater pump impeller\/kit, intake screen, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eCheck fuel quality; replace fuel filter; inspect spark plugs; ensure carburetor is clean and correctly jetted.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eFuel filter, spark plugs, carburetor repair parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eVerify choke\/enrichment function; check for air leaks in fuel lines; confirm correct plug gap and fresh fuel.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs, fuel hoses, carburetor components\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eExcessive smoke (2‑Stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eConfirm premix ratio or oil‑injection settings; check for stuck choke and flooded carburetor.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f3f4f6;\"\u003eFuel system parts, oil hoses, choke\/enrichment components\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect prop hub and shear pin; check gear oil condition; pressure\/vacuum test for seal leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, propeller\/hardware, gear oil service items\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:1000px;padding:16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome Parsun 25HP 2‑Stroke components carry across model years, but changes in shaft length, control type, and ignition\/fuel configurations can affect fitment. Always confirm with your full model code and serial number before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eFor recreational use, replace the impeller every 2 seasons or about 200 hours—sooner if the tell‑tale weakens, you run in sandy\/silty water, or the engine has overheated.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil at least annually or every 100 hours. If the oil looks milky or contaminated, replace seals and retest to prevent gear damage.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model code, serial number, shaft length, control type (tiller or remote), and whether the engine is premix or oil‑injected. Photos of the nameplate and the part needing replacement are helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border-top:1px solid #e5e7eb;max-width:1000px;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse our outboard parts by category and refine with Filter \u0026amp; Sort to match your horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;margin-top:8px;padding:10px 14px;background:#0ea5e9;color:#fff;text-decoration:none;border-radius:6px;\"\u003eStart Browsing Parts\u003c\/a\u003e\n  \u003cp style=\"font-size:12px;color:#6b7280;margin-top:8px;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"thermostat-fits-yamaha-2-stroke-3-250-hp-replaces-6e5-12411-02-00-688-12411-10-00","title":"Thermostat – Fits Yamaha 2-Stroke 3-250 HP (Replaces 6E5-12411-02-00, 688-12411-10-00)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eThermostat – Fits Yamaha 2-Stroke 3-250 HP\u003c\/strong\u003e is engineered for a wide range of Yamaha 2-Stroke outboard motors, covering models from 3 HP to 250 HP manufactured between 1984 and 2009. It plays a critical role in maintaining proper engine operating temperature for optimal performance and fuel efficiency.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for numerous Yamaha, Sierra, Parsun, and Mallory part numbers, ensuring broad interchangeability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls directly to the engine block for a straightforward fit.\u003c\/li\u003e\n\u003cli\u003eDesigned for use in closed cooling systems.\u003c\/li\u003e\n\u003cli\u003ePackage includes the thermostat, housing gasket, and seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-00-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-01-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-10-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-20-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-30-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e688-12411-00-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e688-12411-01-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e688-12411-10-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6H3-12411-11-00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3540\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3622\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eT15-04000010\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-43035\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis part fits a variety of Yamaha standard 2-Stroke and HPDI outboards.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha 2-Stroke Outboards Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e9.9F\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2005\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e15F\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2005\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e25N\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994 and up\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e30D\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2000\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC30\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1993 and newer\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40V\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–1997\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e50D\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–2000\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-02-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e75C\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–2000\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–1999\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e115C\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e130B\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–2001\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e140C\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–1993\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e150F\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e175D\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–2000\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e200F, 200G\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e225D, 225G\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e250A, 250B\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1990–2009\u003c\/td\u003e\n\u003ctd\u003e688-12411-11-00\u003c\/td\u003e\n\u003ctd\u003eReplaces 688-12411-00-00, 688-12411-10-00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha 2-Stroke HPDI Outboards Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eZ150P, Z150Q\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2-Stroke HPDI\u003c\/td\u003e\n\u003ctd\u003e2000–2009\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-30-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eZ175G\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e2-Stroke HPDI\u003c\/td\u003e\n\u003ctd\u003e2000–2009\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-30-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eZ200N, Z200P\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e2-Stroke HPDI\u003c\/td\u003e\n\u003ctd\u003e2000–2009\u003c\/td\u003e\n\u003ctd\u003e6E5-12411-30-00\u003c\/td\u003e\n\u003ctd\u003eSupersedes 6E5-12411-00-00, 6E5-12411-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to engine block\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eBrass\/stainless steel\u003c\/dd\u003e\n  \u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n\u003cdd\u003e50°C (122°F) opening temperature\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor closed cooling system\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Thermostat \u003cspan style=\"color:#d0021b;\"\u003e(688-12411)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 x Thermostat Housing Gasket \u003cspan style=\"color:#d0021b;\"\u003e(688-12414)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 x Thermostat Seal \u003cspan style=\"color:#d0021b;\"\u003e(688-12412)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is completely cool before beginning work.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent accidental starting.\u003c\/li\u003e\n\u003cli\u003eLocate the thermostat housing on the engine block. Place a drain pan underneath to catch any coolant.\u003c\/li\u003e\n\u003cli\u003eRemove the bolts securing the housing cover. Note their length and position if they differ.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old thermostat and gasket. Clean both mating surfaces of any old gasket material or corrosion.\u003c\/li\u003e\n\u003cli\u003eInstall the new thermostat, ensuring it is oriented correctly. Fit the new gasket and seal into place.\u003c\/li\u003e\n\u003cli\u003eRe-install the housing cover and tighten the bolts to the manufacturer's specified torque.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery, refill coolant as needed, and check for leaks after starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are signs of a failing thermostat?\u003c\/summary\u003e\u003cp\u003eA faulty thermostat can cause engine overheating (if stuck closed) or the engine to run too cool and not reach operating temperature (if stuck open). This can lead to poor performance, increased fuel consumption, and inaccurate temperature gauge readings.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eAt what temperature does this thermostat open?\u003c\/summary\u003e\u003cp\u003eThis thermostat is designed to begin opening at 50°C (122°F) to allow coolant to circulate and regulate engine temperature.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I reuse my old gasket?\u003c\/summary\u003e\u003cp\u003eNo. It is critical to use the new gasket and seal included in the kit to ensure a proper, leak-free seal. Reusing old gaskets can lead to coolant leaks and overheating.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I replace my outboard's thermostat?\u003c\/summary\u003e\u003cp\u003eReplacement intervals vary by engine manufacturer and usage, especially in saltwater environments. It is good practice to inspect it annually and consider replacement every 2-3 years as part of preventative maintenance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this part compatible with non-Yamaha engines?\u003c\/summary\u003e\u003cp\u003eYes, it is cross-referenced for compatibility with specific Parsun, Sierra, and Mallory applications. Verify your engine's OEM part number against our Part Number Matrix to confirm fitment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat's the difference between OEM and this aftermarket part?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket replacement part, not an original equipment manufacturer (OEM) component. It is engineered to meet or exceed OEM specifications for fit, form, and function, using comparable materials. Our parts are manufactured in an ISO 9002 certified facility and are batch-inspected to ensure quality and consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow fast do you ship and what does it cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly, with a typical transit time of 5–15 days for most regions. Standard shipping is free. Expedited shipping options, if available for your location, will be presented at checkout.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use conditions. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard return window for items that are unused and in their original packaging. Refer to our policy page or contact us for detailed instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718243225915,"sku":"GH-TH17050-Y","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/GH-TH17050-Y.png?v=1762958097"},{"product_id":"fuel-connector-fits-yamaha-6-90-hp-replaces-6g1-24305-655-24305","title":"Fuel Connector for Yamaha 6–90 HP Outboard Motors – Replacement for 6G1-24305","description":"\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis female \u003cstrong\u003efuel connector\u003c\/strong\u003e provides a quick-connect replacement for compatible Yamaha outboard fuel systems. It is listed for a broad range of Yamaha 6–90 HP outboard motors and connects to a compatible 1\/4-inch (6 mm) fuel hose. Always compare the connector, engine-side fitting, hose size, and reference number with your original part before installation.\u003c\/p\u003e\n  \u003cp\u003eThis aftermarket connector is listed as a replacement for Yamaha part number \u003cstrong\u003e6G1-24305\u003c\/strong\u003e. Some application listings also reference Yamaha number \u003cstrong\u003e655-24305\u003c\/strong\u003e; verify the original connector and fitting configuration before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eFemale quick-connect design for compatible engine-side male fittings.\u003c\/li\u003e\n    \u003cli\u003eIntegrated one-way check valve helps reduce fuel backflow and maintain fuel-line prime.\u003c\/li\u003e\n    \u003cli\u003eBarbed hose connection for a compatible 1\/4-inch (6 mm) fuel line.\u003c\/li\u003e\n    \u003cli\u003eSingle replacement connector; hose clamp is not included.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cstyle\u003e\n    .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n    table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n    table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n    table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n    @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n  \u003c\/style\u003e\n\n  \u003ch2\u003ePart Number References\u003c\/h2\u003e\n  \u003cp\u003eUse these references as identification aids only. Confirm the physical connector and engine-side fitting before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eReference Type\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003ePrimary replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e655-24305\u003c\/td\u003e\n\u003ctd\u003eAdditional application reference; verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-80414\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference supplied in the original listing; verify independently\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJLM Marine\u003c\/td\u003e\n\u003ctd\u003e6G1-24305-03\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference supplied in the original listing; verify independently\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eThe product is listed for compatible Yamaha 6–90 HP outboard applications. The model, year, horsepower, stroke, and engine-side fitting must all match; horsepower alone does not confirm fitment. The application examples below are provided as a reference guide rather than a substitute for checking the original part.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Application\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003ePortable\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eVerify model and fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003ePortable\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eVerify model and fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003ePortable\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eVerify model and fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003ePortable\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eVerify model and fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eMidrange\u003c\/td\u003e\n\u003ctd\u003e25–90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact engine model\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF4–F40\u003c\/td\u003e\n\u003ctd\u003e4–40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–present listing range\u003c\/td\u003e\n\u003ctd\u003e6G1-24305\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact engine model\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e6–90\u003c\/td\u003e\n\u003ctd\u003e2- and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eListed only for models using the same 6 mm fuel-line connection; verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eFemale fuel-line connector\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eQuick-connect to a compatible male engine fitting\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline; confirm fuel-system material requirements for your application\u003c\/dd\u003e\n    \u003cdt\u003eHose Connection\u003c\/dt\u003e\n\u003cdd\u003e1\/4-inch (6 mm) barbed fuel-hose connection\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eRubber\/ABS composite as listed\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003cdt\u003eApproximate Dimensions\u003c\/dt\u003e\n\u003cdd\u003e30 mm length × 20 mm diameter\u003c\/dd\u003e\n    \u003cdt\u003eApproximate Weight\u003c\/dt\u003e\n\u003cdd\u003e0.04 kg (1.13 oz)\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eFemale quick-connect\u003c\/dd\u003e\n    \u003cdt\u003eValve\u003c\/dt\u003e\n\u003cdd\u003eIntegrated one-way check valve\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Female fuel connector\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eTurn off the engine, remove ignition sources, and work in a well-ventilated area.\u003c\/li\u003e\n    \u003cli\u003eRelieve fuel-system pressure where applicable and disconnect the existing fuel line from the engine-side fitting.\u003c\/li\u003e\n    \u003cli\u003eInspect the original connector, hose, barb, and engine-side fitting. Do not install the replacement if the fittings or hose size do not match.\u003c\/li\u003e\n    \u003cli\u003eRemove any old clamp and carefully pull the old connector from the fuel hose.\u003c\/li\u003e\n    \u003cli\u003ePush the new connector's hose barb fully into the compatible 1\/4-inch (6 mm) fuel line.\u003c\/li\u003e\n    \u003cli\u003eSecure the hose with a properly sized fuel-line clamp. The clamp is not included.\u003c\/li\u003e\n    \u003cli\u003eAlign the female connector with the engine-side male fitting and press it into place until it is securely seated.\u003c\/li\u003e\n    \u003cli\u003ePrime the fuel system, then inspect every connection for leakage before starting or operating the engine.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm that this connector fits my engine?\u003c\/summary\u003e\n    \u003cp\u003eConfirm the exact engine model, year, horsepower, stroke, hose size, engine-side fitting, and original reference number. The connector is listed for compatible Yamaha 6–90 HP applications, but horsepower by itself does not establish fitment.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat part number is this connector intended to replace?\u003c\/summary\u003e\n    \u003cp\u003eThe primary replacement reference is Yamaha 6G1-24305. Yamaha 655-24305 and other aftermarket numbers may appear in application listings, so compare the physical part and fitting before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are signs of a failing fuel connector?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include fuel leakage, air entering the fuel system, difficult starting, engine stalling, a loose connection, cracks, or a brittle connector body.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs a hose clamp included?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing includes one fuel connector only. Use a properly sized fuel-line clamp or a serviceable existing clamp suitable for your hose and fuel system.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is an aftermarket replacement connector intended for applications using the compatible fitting and hose configuration.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use this with ethanol-blended fuel?\u003c\/summary\u003e\n    \u003cp\u003eConfirm material compatibility with your fuel type and engine manufacturer requirements before use. Replace the connector if it becomes soft, swollen, cracked, or otherwise deteriorated.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I inspect the connector?\u003c\/summary\u003e\n    \u003cp\u003eInspect the connector and fuel hose before each boating season and whenever the fuel system is serviced. Replace it promptly if you find leakage, cracks, hardening, swelling, or a loose fit.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the shipping and warranty terms?\u003c\/summary\u003e\n    \u003cp\u003eShipping, returns, and warranty coverage are governed by the applicable store policies shown at checkout or on the policy page. Contact support with your order details if assistance is needed.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFuel is flammable. Work away from flames, sparks, hot surfaces, and other ignition sources.\u003c\/li\u003e\n    \u003cli\u003eVerify the connector, hose size, engine-side fitting, and reference number against your original part before purchase and installation.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the engine if any fuel leak is present.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when you are unsure about fuel-system service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — Marine replacement parts selected for practical fit and dependable service.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and estimated delivery times are shown during checkout.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact support with your order and engine details for product assistance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718271439163,"sku":"JFC-17-601","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JFC-17-601.png?v=1762958746"}],"url":"https:\/\/seasierra.com\/collections\/parsun-25hp-2-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}