{"title":"Tohatsu 2-Stroke 4-9.8HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Tohatsu 2‑Stroke 4–9.8HP outboard engines. It helps you find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Tohatsu collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page 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\/tohatsu-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Tohatsu Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\"\u003e\n  \u003ch2\u003eHow to Identify Your 4–9.8HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the identification plate or sticker on the transom bracket (often on the starboard side). It lists model, serial number, and sometimes shaft length.\u003c\/li\u003e\n    \u003cli\u003eRead the model code and suffix: examples include M4B, M5B, M6B, M8B, M9.8B. Suffix letters typically indicate shaft length (S = short, L = long), start type (E = electric), and control type (tiller vs. remote).\u003c\/li\u003e\n    \u003cli\u003eConfirm stroke and platform: these are carbureted 2‑stroke models. 4–6HP engines are usually single‑cylinder; 8–9.8HP engines are twin‑cylinder (e.g., M9.8B).\u003c\/li\u003e\n    \u003cli\u003eRecord the full model and serial number before ordering; many parts interchange within platform families, but details can vary by year and options.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eSmall‑Frame 4–6HP\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 #ddd; padding:6px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSingle‑cylinder, reed‑valve, carbureted 2‑stroke with CDI ignition.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eM4B, M5B, M6B (short\/long shaft, tiller control).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eVery light and simple to service; excellent portability for small boats and tenders.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eMany routine service parts (plugs, impeller kits, anodes) are shared across 4–6HP variants; confirm by model\/serial.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eMid‑Frame 8–9.8HP\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 #ddd; padding:6px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eTwin‑cylinder, reed‑valve, carbureted 2‑stroke with CDI ignition.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eM8B, M9.8B (tiller or remote, manual or optional electric start).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eStrong low‑to‑mid range torque for planing small craft; still compact and easy to maintain.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e8HP and 9.8HP often share many service components; verify water pump kit, gearcase seals, and ignition parts by full model code.\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\"\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 procedures and schedules in your official Tohatsu 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 #ddd; padding:6px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect for water intrusion (milky oil). Replace drain\/fill gaskets; reseal if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-lower-unit-seal-kits\"\u003eTohatsu Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every 50–100 hours; replace annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCheck gap and color; fouling indicates rich mixture, excess oil, or weak spark.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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;\"\u003eFuel filter (inline)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every 50 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace if restricted or if water\/debris is present. Use fresh fuel.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 2 seasons (or 200 hours)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace sooner for sandy, silty, or shallow‑water use; check wear plate and housing.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-water-pump-repair-kits\"\u003eTohatsu Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAnodes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every trip; replace when 50% eroded\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEssential for corrosion protection, especially in saltwater; keep paint off anodes.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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;\"\u003e2‑Stroke fuel\/oil mix\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery refuel\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePremix fresh gasoline with TC‑W3 2‑stroke oil at the ratio specified on your cowling\/manual (commonly 50:1). Use clean fuel tanks and lines.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\"\u003eTohatsu Outboard Parts\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\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCooling System — \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-water-pump-repair-kits\"\u003eTohatsu Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eLower Unit \/ Sealing — \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-lower-unit-seal-kits\"\u003eTohatsu Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Tune‑Up — \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark plug\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 and \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-connector\"\u003eFuel Connector\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    \u003cli\u003ePropulsion Accessories — \u003ca href=\"https:\/\/seasierra.com\/collections\/propeller-guards\"\u003ePropeller Guards\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGeneral Accessories — \u003ca href=\"https:\/\/seasierra.com\/collections\/boat-accessories\"\u003eBoat Accessories\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\"\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 #ddd; padding:6px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:6px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWeak tell‑tale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eClogged intake screen, worn impeller, thermostat stuck, pinched hoses\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWater pump repair kit, impeller, thermostat, intake screen, hoses, anodes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eProp condition, fouled spark plugs, restricted fuel filter, carb jets dirty\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSpark plugs, fuel filter, carburetor service parts, prop protection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eStale fuel, incorrect choke, air leaks at fuel connector\/lines, weak spark\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSpark plugs, fuel filter, fuel connector, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eOil mix ratio too rich, prolonged idling, carb float\/needle issues\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCarburetor parts, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGearcase noise \/ metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLow or contaminated gear oil, leaking seals, fishing line on prop shaft\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLower unit seal kit, drain\/fill gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between years or between 8HP and 9.8HP?\u003c\/summary\u003e\n    \u003cp\u003eMany items are shared within a platform family (for example, numerous service parts interchange between M8B and M9.8B). However, verify by full model code and serial number—changes to gearcase, ignition, and carburetion can affect compatibility.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eFor most recreational use, replace the impeller every 2 seasons or ~200 hours. In sandy, silty, or shallow waters, inspect more often and replace annually to protect the powerhead.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should lower unit gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange every 100 hours or annually, and any time the oil appears milky or after an impact\/grounding. Inspect drain\/fill gaskets and consider a seal kit if water intrusion is found.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model code (e.g., M9.8B), serial number, shaft length (S\/L), start type (manual\/electric), and tiller vs. remote control. Photos of the nameplate and the part needed are also 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;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the main Tohatsu collection to locate the right components for your 2‑Stroke 4–9.8HP outboard.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Tohatsu Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#555;\"\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-rebuild-kit-fits-yamaha-3-8hp-tohatsu-nissan-4-9-8hp-2-stroke-outboards-replaces-6g1-w0093-00-00-369-87122-1","title":"Carburetor Repair Kit for Select Yamaha 3–8 HP and Tohatsu\/Nissan 4–9.8 HP 2-Stroke Outboards","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 { 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\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ecarburetor repair kit\u003c\/strong\u003e is intended for select Yamaha, Tohatsu, and Nissan 2-stroke outboard carburetors. It helps renew common service components such as gaskets, seals, the float, needle valve, and related hardware when the existing carburetor body and jets remain serviceable.\u003c\/p\u003e\n\u003cp\u003eThe kit is associated with Yamaha reference number \u003cstrong\u003e6G1-W0093-00-00\u003c\/strong\u003e and Tohatsu\/Nissan reference number \u003cstrong\u003e369-87122-1\u003c\/strong\u003e. The same aftermarket reference is also listed against Mercury reference \u003cstrong\u003e11502M\u003c\/strong\u003e and Sierra reference \u003cstrong\u003e18-7765\u003c\/strong\u003e. Always compare the carburetor assembly, original part numbers, model code, year, and serial-number range before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement for rebuilding a compatible carburetor.\u003c\/li\u003e\n  \u003cli\u003eHelps address worn gaskets, seals, float components, and needle-valve-related fuel issues.\u003c\/li\u003e\n  \u003cli\u003eFor gasoline-fueled 2-stroke outboards only.\u003c\/li\u003e\n  \u003cli\u003eDoes not replace the complete carburetor assembly and does not change jet sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThese numbers are cross-reference leads for compatible applications, not a guarantee that every carburetor using the number is identical. Confirm the complete engine and carburetor application 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\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference number\u003c\/th\u003e\n\u003cth\u003eReference type\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-01-00\u003c\/td\u003e\n\u003ctd\u003eCarburetor assembly reference used in selected applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-02-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-03-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-10-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e359-87122-1\u003c\/td\u003e\n\u003ctd\u003eReported superseded reference; verify before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e11502M\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7765\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-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\u003eAvailable catalog relationships identify this repair-kit reference in selected Yamaha 2-stroke applications, including 3 HP, 6 HP, and 8 HP models. Marketplace and aftermarket catalog references also associate it with selected Tohatsu\/Nissan 4 HP, 5 HP, 8 HP, and 9.8 HP models. Model codes, production years, and carburetor versions can differ, so the table below should be used as a starting point rather than a universal fitment claim.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eExample model families\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear or range\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eFitment note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e3LG, 3SG and other selected 3 HP models\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1988 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eConfirm model code and carburetor configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6LG, 6SG, 6LH, 6LJ, 6SH, 6SJ and other selected 6 HP models\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1986–1988 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eDo not rely on horsepower alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e8LK, 8LN, 8SK, 8SN, 8LH, 8LJ, 8SH, 8SJ and other selected 8 HP models\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1984–1986 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eMatch the carburetor assembly and original reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM4 \/ NS4\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM5 \/ NS5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM8 \/ NS8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.8 \/ NS9.8\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS4, NS5, NS8 and NS9.8 families\u003c\/td\u003e\n\u003ctd\u003e4–9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eUse the original Nissan\/Tohatsu reference for confirmation.\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\u003eAftermarket carburetor repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelect 2-stroke outboard carburetors\u003c\/dd\u003e\n  \u003cdt\u003eFuel type\u003c\/dt\u003e\n\u003cdd\u003eGasoline (petrol)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement service parts for a compatible carburetor\u003c\/dd\u003e\n  \u003cdt\u003ePrimary reference\u003c\/dt\u003e\n\u003cdd\u003eYamaha 6G1-W0093-00-00\u003c\/dd\u003e\n  \u003cdt\u003eAdditional references\u003c\/dt\u003e\n\u003cdd\u003eTohatsu\/Nissan 369-87122-1, Mercury 11502M, and Sierra 18-7765\u003c\/dd\u003e\n  \u003cdt\u003eCarburetor assembly note\u003c\/dt\u003e\n\u003cdd\u003eCompatibility depends on the exact carburetor version; the kit is not a complete carburetor assembly.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eTypical Kit Components\u003c\/h2\u003e\n\u003cp\u003eComponents supplied for this repair-kit reference may include the following service parts. Compare the product photos and your original carburetor before installation, because component configuration can vary between applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePilot screw\u003c\/li\u003e\n  \u003cli\u003eCaps and gaskets\u003c\/li\u003e\n  \u003cli\u003eO-ring\u003c\/li\u003e\n  \u003cli\u003eScrews with washers\u003c\/li\u003e\n  \u003cli\u003eFloat\u003c\/li\u003e\n  \u003cli\u003eNeedle valve\u003c\/li\u003e\n  \u003cli\u003eFloat pin\u003c\/li\u003e\n  \u003cli\u003eFloat-arm pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut off the fuel supply, disconnect the battery where applicable, and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel line and remove the air intake components as required to access the carburetor.\u003c\/li\u003e\n  \u003cli\u003ePhotograph or document throttle, choke, and fuel-line connections before removal.\u003c\/li\u003e\n  \u003cli\u003eRemove the carburetor and place it on a clean work surface.\u003c\/li\u003e\n  \u003cli\u003eDisassemble the carburetor carefully and retain the original parts until each replacement part has been identified.\u003c\/li\u003e\n  \u003cli\u003eClean the reusable metal components and passages with suitable carburetor cleaner. Do not enlarge jets or use hard wire that could damage calibrated openings.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement gasket, O-ring, float, needle valve, pins, screws, and other matching service parts.\u003c\/li\u003e\n  \u003cli\u003eReassemble the carburetor using the engine service manual for torque values, float height, and adjustment procedures.\u003c\/li\u003e\n  \u003cli\u003eReinstall the carburetor, reconnect all lines and linkages, and check carefully for fuel leaks.\u003c\/li\u003e\n  \u003cli\u003eStart and tune the engine only after confirming correct fuel flow and safe operating conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm compatibility?\u003c\/summary\u003e\u003cp\u003eMatch the engine brand, exact model code, horsepower, stroke, year, and serial-number range. Then compare the carburetor body, gasket shape, float, needle valve, and original reference number with the product information and photos.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat symptoms can indicate a carburetor rebuild is needed?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include hard starting, unstable idle, stalling, hesitation, poor acceleration, fuel leakage, or a fuel mixture problem caused by worn or contaminated service parts. These symptoms can also result from ignition, fuel-supply, compression, or adjustment faults.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit change jetting?\u003c\/summary\u003e\u003cp\u003eNo. This is a repair kit, not a performance jet kit. It is intended to replace compatible service parts and does not change the calibrated jet sizes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use the kit on a modified engine?\u003c\/summary\u003e\u003cp\u003eOnly if the replacement components match the carburetor and the engine's intended calibration. Modified engines may require different jetting or tuning that this repair kit does not provide.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit. The OEM and aftermarket numbers shown above are provided for application and cross-reference purposes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I reuse old gaskets or O-rings?\u003c\/summary\u003e\u003cp\u003eNo. Reuse can lead to air or fuel leaks. Replace worn or removed sealing components with the correct parts supplied for the compatible application.\u003c\/p\u003e\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 and keep the product away from heat, sparks, and open flames.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact model, year, serial number, carburetor version, and original part number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not install this kit if the carburetor body is damaged or if the supplied parts do not match the original components.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when carburetor adjustment, float height, or fuel-system diagnosis is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cp\u003eSea Sierra supplies aftermarket marine replacement parts for maintenance and repair applications. Product references are provided to help customers compare compatible parts; always verify fitment against the engine and carburetor manufacturer's specifications before installation.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723968483643,"sku":"17CR001","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17CR001-1.jpg?v=1763038716"}],"url":"https:\/\/seasierra.com\/collections\/tohatsu-2-stroke-4-9-8hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}