{"title":"Selva 2-Stroke 25-40HP Outboard Marine Engine","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eThis page focuses on Selva 2‑Stroke 25–40HP outboard engines. It helps you find compatible parts and key service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Selva collection, and you can 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;padding:10px 14px;border:1px solid #0a4a7a;border-radius:6px;text-decoration:none;\"\u003eShop Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 25–40HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial plate: Check the swivel bracket or transom clamp for the model name and serial number. Some units also have a sticker on the engine pan.\u003c\/li\u003e\n    \u003cli\u003eReading the model code: Suffixes typically indicate shaft length (S\/L\/XL), starting method (manual vs. electric), and control type (tiller vs. remote). Record all characters to confirm parts.\u003c\/li\u003e\n    \u003cli\u003ePlatform clues: Many 25–30HP 2‑strokes are twin‑cylinder, while 35–40HP models are often triple‑cylinder. Count carburetors and note if the engine is premix or oil‑injected.\u003c\/li\u003e\n    \u003cli\u003eYear differences: Jetting, ignition modules, and gear ratios may vary by year or sub‑model; always verify with the serial number before ordering parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003e25–30HP Class (Typical Inline‑2, Carbureted 2‑Stroke)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInline‑2, carbureted 2‑stroke; premix or oil‑injection depending on sub‑model.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGeneric 25–30HP 2‑stroke variants; examples in this range include models like Antibes 30.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLight weight and simple upkeep; responsive low‑end for small craft.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify oiling method (premix vs. injection). Cooling and ignition parts can overlap across adjacent HP models; confirm by serial.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003e35–40HP Class (Typical Inline‑3, Carbureted 2‑Stroke)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInline‑3, carbureted 2‑stroke; typically oil‑injected or premix per model.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGeneral 35–40HP 2‑stroke family (model codes vary by year\/market).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSmoother operation than twins; strong mid‑range for planing hulls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eProp pitch and gear ratio vary; match to hull load. Many wear items (impellers, anodes, plugs) are shared across HP steps.\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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for 2‑stroke outboards. Always follow your official Selva service manual and local operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect for milky oil\/metal; service seals if water intrusion is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck heat range and gap; read plug color for mixture health.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eFuel filter (inline)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e100 hours; sooner with poor fuel\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace if flow is restricted or debris is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAnnually or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEssential for cooling; replace sooner if sand\/silt use.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eAnodes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect every 3–6 months\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace when 50% consumed; choose alloy for your waters.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003e2‑Stroke oil system (premix or injection)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEach use; inspect annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse NMMA TC‑W3 oil. Inspect oil lines, bleed\/prime after service, verify pump operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePropeller \u0026amp; hardware\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect each trip\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck for dings, hub slip, and correct pitch; carry spare cotter and nut.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px 0;\"\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\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware – \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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eClear the tell‑tale; inspect intake screens and hoses; confirm impeller age\/condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump impeller kit, thermostat, intake screen, gaskets, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePoor acceleration or loss of power\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck for damaged prop, fouled plugs, stale fuel, and clogged fuel filter; verify throttle opening.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePropeller, spark plugs, fuel filter, carburetor service parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfirm choke\/enrichment function, prime the bulb, check for air leaks and correct idle mixture.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSpark plugs, fuel hoses, fuel filter, carburetor kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify correct oil ratio; ensure oil pump calibration (if injected); avoid extended cold idling.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSpark plugs, fuel components, oil hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect oil for water\/metal; check prop shaft for fishing line; pressure test seals.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLower unit seal kit, bearings, propeller hardware\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=\"padding:16px 0;\"\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\u003eMany wear items (impellers, anodes, spark plugs) carry across adjacent HP models, but ignition, carburetion, and gear ratios may differ by year or sub‑model. Always confirm with the exact model\/serial and any suffix codes.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAt least once per year or every 100–200 engine hours. Replace sooner if the motor is used in sandy\/silty water, you see weak tell‑tale flow, or the pump housing shows scoring.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the gear oil?\u003c\/summary\u003e\n    \u003cp\u003eEvery 100 hours or annually, and any time you notice milky oil, metal particles, or after a prop‑strike or submersion. Service seals if water intrusion is detected.\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\u003eProvide the model name, serial number, shaft length, control type (tiller\/remote), and country\/market of sale. A clear photo of the nameplate and the part needing replacement is very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse our parts by category and use Filter \u0026amp; Sort to narrow by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a4a7a;border-radius:6px;text-decoration:none;\"\u003eStart With Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px;color:#444;\"\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":"carburetor-assembly-sea-sierra-marine-yamaha-75-85-hp-replaces-yamaha-688-14301-08-688-14301-40-00-688-14301-41-00-688-14301-42-00","title":"Carburetor Assembly for Yamaha 75\/85 HP 2-Stroke Outboards – Replaces 688-14301-08","description":"\u003csection\u003e\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 {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\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 aftermarket \u003cstrong\u003ecarburetor assembly\u003c\/strong\u003e is listed for Yamaha 75 HP and 85 HP 2-stroke outboard applications. It is intended as a replacement for the carburetor identified by Yamaha part number \u003cstrong\u003e688-14301-08\u003c\/strong\u003e. Before ordering, compare the part number, mounting arrangement, linkage connections, and product images with the carburetor removed from your engine.\u003c\/p\u003e\n\u003cp\u003eBecause outboard fitment can vary by model configuration and production specification, the horsepower rating alone is not sufficient to confirm compatibility. Verify your complete engine model and the number on your original carburetor before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket carburetor assembly for selected Yamaha 75\/85 HP 2-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eDesigned as a replacement for the Yamaha reference number listed below.\u003c\/li\u003e\n  \u003cli\u003eUses OEM-style mounting and connection points for the applicable engine application.\u003c\/li\u003e\n  \u003cli\u003eInspect all fuel lines, linkages, seals, and mounting hardware before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Reference\u003c\/h2\u003e\n\u003cp\u003eUse the following manufacturer reference to compare your original component. A matching number is an important fitment check, but the complete engine model and configuration should also be verified.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Reference\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eReference\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\u003e688-14301-08\u003c\/td\u003e\n        \u003ctd\u003eReplacement reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe available product record identifies this assembly for Yamaha 75 HP and 85 HP 2-stroke outboards. No specific model-year, serial-number, shaft-length, or individual model-code range is confirmed in the available product data. Confirm those details against your engine identification plate and original carburetor before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eApplication\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eModel Year\u003c\/th\u003e\n        \u003cth\u003eReference Part No.\u003c\/th\u003e\n        \u003cth\u003eFitment Guidance\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\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e75\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e688-14301-08\u003c\/td\u003e\n        \u003ctd\u003eVerify the complete engine model and original carburetor.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e85\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e688-14301-08\u003c\/td\u003e\n        \u003ctd\u003eVerify the complete engine model and original carburetor.\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\u003eCarburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha 75\/85 HP 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Reference\u003c\/dt\u003e\n  \u003cdd\u003eYamaha 688-14301-08\u003c\/dd\u003e\n  \u003cdt\u003eFuel System\u003c\/dt\u003e\n  \u003cdd\u003eCarbureted gasoline outboard fuel system\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation using the applicable original mounting and linkage arrangement\u003c\/dd\u003e\n  \u003cdt\u003eFitment\u003c\/dt\u003e\n  \u003cdd\u003eVerify against the original carburetor and complete engine identification before ordering\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 Carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGaskets, seals, fasteners, hoses, and adjustment components are not listed as included unless shown in the product images or separately specified. Reuse of old gaskets is not recommended; obtain any required replacement sealing components before installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace the boat securely, stop the engine, disconnect the battery, and shut off the fuel supply.\u003c\/li\u003e\n  \u003cli\u003eAllow the engine to cool and work in a well-ventilated area away from sparks or open flames.\u003c\/li\u003e\n  \u003cli\u003ePhotograph or mark the fuel lines, throttle linkage, choke linkage, and other connections before removal.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel lines and linkages, taking care to prevent dirt from entering the fuel system.\u003c\/li\u003e\n  \u003cli\u003eRemove the fasteners securing the original carburetor and clean the mounting surface.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement assembly with the correct new gasket or sealing components for the engine.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel lines and all linkages, confirming that the throttle and choke operate smoothly through their full range.\u003c\/li\u003e\n  \u003cli\u003eRestore the fuel supply and inspect carefully for leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eStart and test the engine according to the applicable Yamaha service information. Do not adjust mixture or idle settings beyond the manufacturer's specified procedure.\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 carburetor will fit my engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm that your engine is a Yamaha 75 HP or 85 HP 2-stroke outboard, then compare the complete engine model, original carburetor, mounting pattern, linkage arrangement, and reference number 688-14301-08. If any of these details differ, contact the seller before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this fit Yamaha 4-stroke engines?\u003c\/summary\u003e\n  \u003cp\u003eCompatibility is listed for Yamaha 2-stroke applications only. Do not use this listing to establish fitment for a 4-stroke engine.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this fit Yamaha 25-40 HP or other brands?\u003c\/summary\u003e\n  \u003cp\u003eNo such applications are confirmed by the available product record. Do not assume compatibility with smaller Yamaha models, Selva, Parsun, Hidea, Seapro, HDX, or other brands without a separately verified matching part number and application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I inspect before installing the replacement?\u003c\/summary\u003e\n  \u003cp\u003eCheck the fuel lines, filter, tank, mounting surface, gasket, throttle and choke linkages, and fuel connections. Contaminated fuel or debris elsewhere in the system can affect the replacement carburetor.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre adjustments needed after installation?\u003c\/summary\u003e\n  \u003cp\u003eFollow the service procedure for your exact engine model. Idle or mixture settings may require checking after installation, but adjustments should be made only within the manufacturer's specified limits.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common symptoms of a carburetor or fuel-system problem?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include hard starting, unstable idle, stalling, hesitation during acceleration, poor throttle response, fuel leakage, or an overly rich or lean running condition. These symptoms can also be caused by fuel contamination, ignition faults, air leaks, or incorrect adjustment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a genuine Yamaha part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket replacement carburetor assembly intended for the stated application. Yamaha is referenced only for engine and replacement-part identification.\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 in a ventilated area with the engine stopped and away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eVerify the complete engine model, stroke, original carburetor, and reference number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to confirm fitment.\u003c\/li\u003e\n  \u003cli\u003eUse new sealing components where required and check carefully for fuel leaks before operation.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with outboard fuel systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Replacement components for selected marine engine applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Compare the stated engine application and original part reference before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport Before Purchase\u003c\/strong\u003e — Provide your complete engine model and original part details when fitment assistance is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723806478651,"sku":"JLM23CA107","price":308.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Carburetor_for_Yamaha_75_85HP_2_stroke_688-14301_-_JLM_MARINE-8290542.jpg?v=1763032264"}],"url":"https:\/\/seasierra.com\/collections\/selva-2-stroke-25-40hp-outboard-marine-engine.oembed","provider":"SeaSierra","version":"1.0","type":"link"}