{"title":"Evinrude 16HP 2-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1100px;\"\u003e\n  \u003cp\u003eThis page focuses on Evinrude 2‑Stroke 16 HP outboard engines. It helps you identify your exact model, find compatible parts, and understand routine service. Inside you’ll find maintenance tips, frequently used parts, and troubleshooting guidance. You can also browse the main Evinrude\/Johnson collection for a wider selection. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude\" style=\"display:inline-block;padding:10px 14px;background:#0d6efd;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse All Evinrude Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1100px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 16HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look on the transom bracket or swivel bracket for the model\/serial plate. On many small twins it’s on the starboard clamp bracket or mounting bracket.\u003c\/li\u003e\n    \u003cli\u003eReading the code: The model code and suffix typically indicate shaft length (e.g., short vs. long), starting method (rope vs. electric), and sometimes control type (tiller vs. remote). The year is often encoded by letters\/suffixes—verify with the manual or a parts lookup.\u003c\/li\u003e\n    \u003cli\u003e2‑Stroke specifics: Most 16 HP units are carbureted two‑cylinder engines. Some are premix; a few may use oil injection on later platforms. Confirm whether your motor requires premix and the correct fuel\/oil ratio.\u003c\/li\u003e\n    \u003cli\u003eProp\/gearcase cues: Small-gearcase models use specific impeller kits and prop splines. Check the existing prop’s spline count and the gearcase shape when selecting parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1100px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eEvinrude 16 HP 2‑Stroke Twin\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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline‑2, carbureted 2‑Stroke; rope or electric start; tiller or remote controls depending on model.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvinrude 16 HP two‑cylinder 2‑Stroke models (various years\/variants). Exact code and suffix determine parts compatibility.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLight weight, simple serviceability, strong low‑RPM thrust for small boats.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eImpeller and lower‑unit parts vary by gearcase; ignition may differ (points vs. CDI) by year; verify model code before ordering.\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:1100px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for small 2‑Stroke outboards. Always follow the official service manual for your exact model and duty cycle.\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;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water intrusion (milky oil) and metal. If contaminated, pressure‑test and reseal.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-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;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect each season; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck gap and heat range per manual. Fouling often indicates mixture or oiling issues.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eFuel filter \/ in‑line strainer\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSeasonally or when fuel is suspect\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace and inspect hoses\/primer bulb. Keep a spare on board.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect annually; replace ~2–3 seasons\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak tell‑tale or overheat often points to a worn impeller. Sand\/silt shortens life.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (zinc\/aluminum\/magnesium)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect often; replace at ~50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to water type: salt, brackish, or fresh.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003e2‑Stroke lubrication\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAt every refuel\/service\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse NMMA TC‑W3 oil and the mix ratio specified for your serial\/model. If oil‑injected, service the pump and lines per manual.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eThermostat (if equipped)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect when cooling issues arise\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eA stuck thermostat can cause over‑ or underheating and extra smoke at idle.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude\"\u003eJohnson\/Evinrude Parts\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;\"\u003e*Intervals assume normal recreational use. Shorten intervals for heavy use or harsh conditions.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:1100px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eJohnson\/Evinrude Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater Pump Repair 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 \u0026amp; Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-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\/bombardier-propellers\"\u003eJohnson\/Evinrude Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eJohnson\/Evinrude Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1100px;\"\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;\"\u003eWeak tell‑tale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect water intake for blockage; verify strong primer bulb; evaluate impeller age and thermostat function.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, thermostat, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck prop for damage\/cavitation; verify fresh fuel and proper venting; inspect spark plugs and compression.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm choke\/enricher operation; check for air leaks in fuel lines; clean\/rebuild carburetor if varnish present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel hose\/primer bulb, fuel connector, carburetor rebuild kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExcessive smoke (2‑Stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify correct fuel\/oil ratio; ensure thermostat isn’t stuck open (cold running); check plug heat range and mixture.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain oil and inspect; check prop shaft for fishing line; pressure\/vacuum test seals.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, thrust washer, gear oil\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:1100px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years?\u003c\/summary\u003e\n    \u003cp\u003eSome service parts (plugs, anodes, basic gaskets) may carry across many small twins, but cooling, ignition, and gearcase components can change with model updates. Use the full model code and serial to confirm fitment before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eInspect annually and replace roughly every 2–3 seasons, sooner if the motor has ingested sand\/silt, run dry, or shows a weak tell‑tale. Any overheat event warrants a full pump inspection.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace lower‑unit gear oil every 100 hours or once per season. If oil looks milky or burnt, service the gearcase and seals immediately.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to verify part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the full model number, serial (if available), shaft length, start type (rope\/electric), and any known changes (prop, controls). Photos of the nameplate and the part being replaced are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1100px;\"\u003e\n  \u003cp\u003eReady to shop? Browse the main Evinrude\/Johnson collection and filter by horsepower, year, and model to find compatible parts for your 16 HP 2‑Stroke.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude\" style=\"display:inline-block;margin-top:8px;padding:10px 14px;background:#0d6efd;color:#fff;text-decoration:none;border-radius:6px;\"\u003eShop Johnson\/Evinrude Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px;color:#6b7280;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"marine-propeller-cotter-pin-fits-yamaha-suzuki-johnson-evinrude-replaces-91401-40025-00-09204-03003-5030087","title":"Marine Propeller Cotter Pin for Yamaha, Suzuki \u0026 Johnson\/Evinrude Outboards – Replaces 91401-40025-00, 09204-03003 \u0026 5030087","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 marine propeller cotter pin is used to secure a propeller castle nut on compatible outboard engines. It is listed as a replacement for selected Yamaha, Suzuki, and Johnson\/Evinrude applications. Always compare the original pin, dimensions, and manufacturer part number before ordering.\u003c\/p\u003e\n\u003cp\u003eListed replacement references include Yamaha 91401-40025-00, 91401-40028-00, 91401-40030-00, 91490-40025-00, and 91490-40030-00; Suzuki 09204-03001, 09204-03003, and 09204-03004; Johnson\/Evinrude 5030087; Mallory 9-73912; and Sierra 18-3735-9.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstalls through the aligned hole in the propeller shaft and castle nut.\u003c\/li\u003e\n  \u003cli\u003eDesigned for use as a replacement propeller-retaining cotter pin.\u003c\/li\u003e\n  \u003cli\u003eStainless-steel construction is suitable for normal marine service when the part is correctly matched to the application.\u003c\/li\u003e\n  \u003cli\u003eReplace the pin whenever the propeller is removed or when the existing pin shows corrosion, cracking, or deformation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe references below are listed replacement and aftermarket numbers. They are provided for identification and cross-reference purposes; they do not replace verification against the exact engine model and serial-number range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003cbr\u003e91401-40028-00\u003cbr\u003e91401-40030-00\u003cbr\u003e91490-40025-00\u003cbr\u003e91490-40030-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003cbr\u003e09204-03003\u003cbr\u003e09204-03004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e5030087\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-73912\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3735-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe product record associates this replacement pin with a range of Yamaha, Suzuki, and Johnson\/Evinrude outboards. The ranges below are application guidance rather than a substitute for an exact parts-catalog lookup. Model, year, stroke, shaft configuration, and serial-number conditions must be checked together.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Outboard Compatibility Summary\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eListed application coverage\u003c\/th\u003e\n\u003cth\u003eListed replacement reference\u003c\/th\u003e\n\u003cth\u003eFitment verification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious outboards, approximately 25–150 HP, model years 1984–2019\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00 and related Yamaha references\u003c\/td\u003e\n\u003ctd\u003eConfirm exact model, year, and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious outboards, approximately 2.5–300 HP, model years 1977–2017\u003c\/td\u003e\n\u003ctd\u003e09204-03001, 09204-03003, and related Suzuki references\u003c\/td\u003e\n\u003ctd\u003eConfirm exact model, year, stroke, and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious outboards, approximately 4–225 HP, model years 1998–2007\u003c\/td\u003e\n\u003ctd\u003e5030087\u003c\/td\u003e\n\u003ctd\u003eConfirm exact model, year, and serial number\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\u003eMarine propeller cotter pin\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003e304 stainless steel\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 4 × 35 mm (5\/32 × 1-3\/8 in.)\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n  \u003cdd\u003eSilver\/metallic\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eManual insertion through the aligned propeller shaft and castle-nut hole\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003ePropeller retention on compatible marine outboards\u003c\/dd\u003e\n  \u003cdt\u003ePack Quantity\u003c\/dt\u003e\n  \u003cdd\u003eThe available product record does not establish a definitive package count. Confirm the current package labeling 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\u003eMarine propeller cotter pin package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage quantity is not confirmed in the available product record. Please verify the package label or product variant before purchase.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn the engine off, remove the emergency-stop lanyard, and place the engine in neutral.\u003c\/li\u003e\n  \u003cli\u003eRemove the old cotter pin with pliers. Do not reuse a bent or previously installed pin.\u003c\/li\u003e\n  \u003cli\u003eRemove the propeller castle nut, washer, and propeller as required by the engine manufacturer's procedure.\u003c\/li\u003e\n  \u003cli\u003eInspect and clean the propeller shaft and related hardware.\u003c\/li\u003e\n  \u003cli\u003eReinstall the propeller, washer, and castle nut.\u003c\/li\u003e\n  \u003cli\u003eTighten the castle nut to the manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003eAlign a castle-nut slot with the hole in the propeller shaft.\u003c\/li\u003e\n  \u003cli\u003eInsert the new cotter pin through the aligned hole.\u003c\/li\u003e\n  \u003cli\u003eBend the pin legs around the nut to secure the assembly, following the engine manufacturer's instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eMaintenance and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this cotter pin fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare the original pin's dimensions and shape, then confirm the applicable manufacturer reference in the engine parts catalog. Check the exact model, year, stroke, shaft configuration, and serial-number range together. The replacement references listed on this page are identification aids and do not confirm every engine application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould I reuse a propeller cotter pin?\u003c\/summary\u003e\n  \u003cp\u003eNo. A cotter pin is normally a single-use retaining part. Removing and rebending it can weaken the metal, so install a new pin whenever the propeller is removed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are signs that the pin needs replacement?\u003c\/summary\u003e\n  \u003cp\u003eReplace the pin if it is corroded, cracked, excessively bent, loose, or damaged. A loose propeller or unusual movement at the propeller assembly also requires immediate inspection before operating the boat.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement cotter pin. The manufacturer references shown above are provided for cross-reference and identification only.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow many pins are included?\u003c\/summary\u003e\n  \u003cp\u003eThe available product record does not confirm a definitive package quantity. Check the package labeling or current product variant details before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the part number, dimensions, and original hardware before installation.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower or brand alone to confirm fitment; exact model and serial-number conditions may apply.\u003c\/li\u003e\n  \u003cli\u003eUse a new cotter pin after propeller removal or whenever the existing pin is damaged.\u003c\/li\u003e\n  \u003cli\u003eFollow the outboard manufacturer's torque and installation procedures.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct procedure or fitment is uncertain.\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 — Practical replacement components for maintenance and repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Product references are provided to help customers compare their original part before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact support with the engine brand, model, year, and serial number when fitment assistance is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718269374779,"sku":"QM-2677-12","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-2677-12.png?v=1762958667"},{"product_id":"propeller-cotter-pin-fits-yamaha-suzuki-johnson-evinrude-replaces-09204-03001-91401-40025-5030087","title":"Propeller Cotter Pin 12-Pack – For Select Yamaha, Suzuki and Johnson\/Evinrude Outboards","description":"\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003epropeller cotter pin\u003c\/strong\u003e is intended to secure the propeller nut on compatible Yamaha, Suzuki, and Johnson\/Evinrude outboard applications. The pin is made from 304 stainless steel for corrosion resistance in marine environments and is supplied in a 12-piece package for installation and replacement spares.\u003c\/p\u003e\n\u003cp\u003eCompatibility depends on the exact outboard model, year, shaft assembly, and application. Before ordering, compare the part number in your service manual or on the original component with the reference numbers listed below.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for use with compatible outboard propeller shaft and castle-nut assemblies.\u003c\/li\u003e\n\u003cli\u003e304 stainless-steel construction for marine-use corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eUse a new cotter pin whenever the propeller is removed and reinstalled.\u003c\/li\u003e\n\u003cli\u003ePackage includes 12 propeller cotter pins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following OEM and aftermarket numbers are reference numbers associated with this replacement pin. A reference number alone does not confirm fitment for every model or year.\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\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e09204-03003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e09204-03004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e91401-40028-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e91401-40030-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e5030087\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-73912\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis pin may be used on select outboard applications across the ranges shown below. The tables are application guides rather than universal fitment lists. Confirm the exact model and part number before installation.\u003c\/p\u003e\n\u003ch3\u003eYamaha Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Yamaha Outboard Compatibility Guide\"\u003e\n\u003cthead\u003e\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\u003eReference Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e91401-40025-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSuzuki Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Suzuki Outboard Compatibility Guide\"\u003e\n\u003cthead\u003e\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\u003eReference Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e4–9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e14–20\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e25–30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e40–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e65–90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e100–150\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e175–300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e09204-03001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eJohnson\/Evinrude Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Johnson Evinrude Compatibility Guide\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eReference Part No.\u003c\/th\u003e\n\u003cth\u003eApplication Note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e5030087\u003c\/td\u003e\n\u003ctd\u003eListed application reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e5030087\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model before purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard propeller cotter pin\u003c\/dd\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003e304 stainless steel\u003c\/dd\u003e\n\u003cdt\u003eApproximate Dimensions\u003c\/dt\u003e\n\u003cdd\u003e4 mm x 25 mm\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSecures a compatible outboard propeller nut and shaft assembly\u003c\/dd\u003e\n\u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eSilver\/metallic\u003c\/dd\u003e\n\u003cdt\u003eQuantity Per Package\u003c\/dt\u003e\n\u003cdd\u003e12 pieces\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e12 x propeller cotter pins\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTurn the engine off and place the gear selector in neutral. Follow the safety instructions for your outboard.\u003c\/li\u003e\n\u003cli\u003eRemove the old cotter pin from the propeller castle nut with pliers.\u003c\/li\u003e\n\u003cli\u003eRemove the propeller nut and washers as required by the manufacturer’s service procedure.\u003c\/li\u003e\n\u003cli\u003eInspect the propeller shaft, nut, washer, and propeller for wear or damage.\u003c\/li\u003e\n\u003cli\u003eReinstall the propeller, washers, and castle nut according to the service manual.\u003c\/li\u003e\n\u003cli\u003eTighten the nut to the manufacturer’s specified torque.\u003c\/li\u003e\n\u003cli\u003eAlign a castle-nut slot with the hole in the propeller shaft without loosening the nut to achieve alignment.\u003c\/li\u003e\n\u003cli\u003eInsert a new cotter pin through the aligned hole.\u003c\/li\u003e\n\u003cli\u003eBend the ends of the pin around the nut to retain it securely.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eInstallation procedures and torque specifications vary by outboard model. Use the applicable service manual when servicing the propeller assembly.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit my specific outboard?\u003c\/summary\u003e\u003cp\u003eFitment depends on the exact model, year, shaft assembly, and applicable part number. Match the original part or service-manual reference with the numbers listed on this page before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I reuse the old cotter pin?\u003c\/summary\u003e\u003cp\u003eNo. Replace the cotter pin whenever it has been removed. Bending can fatigue the metal, and a new pin provides the intended retention of the propeller nut.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs that a cotter pin needs replacement?\u003c\/summary\u003e\u003cp\u003eReplace a pin that is bent, cracked, corroded, loose, or difficult to remove. A damaged retaining pin can allow the propeller nut to loosen.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat tools are needed?\u003c\/summary\u003e\u003cp\u003ePliers are typically used to remove and bend the cotter pin. A suitable wrench or socket is needed for the propeller nut, and the manufacturer’s specified torque procedure should be followed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket replacement part. The OEM and aftermarket numbers shown are reference numbers for fitment comparison and should be verified against the exact application.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this pin be used for other applications?\u003c\/summary\u003e\u003cp\u003eDo not use it for another application unless the dimensions, material, load requirements, and retaining procedure are known to match. It is intended for compatible outboard propeller assemblies.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the part number, dimensions, and application before purchase and installation.\u003c\/li\u003e\n\u003cli\u003eDo not operate the outboard with a missing, damaged, or improperly installed propeller retaining pin.\u003c\/li\u003e\n\u003cli\u003eFollow the manufacturer’s service manual for propeller removal, installation, torque, and safety procedures.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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 common marine maintenance applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Use the listed reference numbers and model details to help verify compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Convenience\u003c\/strong\u003e — A 12-piece package provides new pins for multiple service intervals or spare use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718269440315,"sku":"PIN2677","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/PIN2677.png?v=1762958670"}],"url":"https:\/\/seasierra.com\/collections\/evinrude-16hp-2-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}