{"title":"Honda Marine 4-Stroke 115-350HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eThis page is for Honda 4‑Stroke 115–350HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Honda collection. Scroll to the bottom of the page to start browsing parts for this engine, and on the collection page use the “Filter \u0026amp; Sort” controls to narrow by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0b6;border-radius:6px;text-decoration:none;\"\u003eBrowse All Honda Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 115–350HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial plate on the stern bracket or swivel bracket. It lists the model code, serial number, and often shaft length.\u003c\/li\u003e\n    \u003cli\u003eRead the full model code (e.g., BF115, BF150, BF225, BF250, BF300, BF350A). Suffixes typically indicate shaft length (L\/XL\/XXL) and rotation (standard or counter).\u003c\/li\u003e\n    \u003cli\u003eConfirm rotation and controls: counter‑rotation lowers are common on twin rigs; note remote vs. tiller (where applicable) and any digital\/drive‑by‑wire controls on newer engines.\u003c\/li\u003e\n    \u003cli\u003eDifferent platforms exist across this range (Inline‑4, V6, and V8). Serial number and variant help ensure the correct cooling, fuel, and ignition parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eInline‑4 EFI (115–150 HP)\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\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑4, 4‑stroke, EFI; balanced weight and strong efficiency for single‑engine installations.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eBF115, BF135, BF150 variants (L\/XL shafts; standard rotation most common).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eRefined operation, good fuel economy, and easy service access for routine maintenance.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eMany service items are shared across variants; verify serial breaks for changes in fuel filtration, sensors, or cooling components.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV6 EFI (200–300 HP)\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\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eV6, 4‑stroke, EFI; popular for heavier boats and multi‑engine setups.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eBF200, BF225, BF250, BF300 with L\/XL\/XXL shafts and standard\/counter‑rotation options.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eStrong mid‑range torque, robust charging systems, and dependable cruising performance.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eCheck gear ratio and rotation before ordering propellers or gearcase parts; confirm serial number for thermostat and water pump revisions.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV8 EFI (350 HP Class)\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\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eV8, 4‑stroke, EFI; high‑output 350 HP class designed for offshore and heavy‑load duty.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eBF350A family with L\/XL\/XXL shafts and standard or counter‑rotation lower units.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eExcellent mid‑range pull, smooth NVH characteristics, and efficient cruise for larger hulls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eMany service parts are shared within the family; always check serial breaks for cooling, fuel, or ignition changes 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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for recreational use. Always follow the official Honda service manual and adjust for duty cycle and environment.\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\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eWarm engine before draining; replace crush washer; use marine‑grade oil.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eInspect for water intrusion (milky oil). Service seals if contamination is present.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/honda-lower-unit-seal-kits\"\u003eHonda Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect at 100 hours; replace 200–300 hours or as needed\u003c\/td\u003e\n        \u003ctd\u003eVerify correct gap and heat range; misfire under load often indicates aged plugs.\u003c\/td\u003e\n        \u003ctd\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\u003eFuel filter \/ water‑separating filter\u003c\/td\u003e\n        \u003ctd\u003eInspect 50–100 hours; replace annually\u003c\/td\u003e\n        \u003ctd\u003eDrain and check for water\/debris; ethanol fuel may require shorter intervals.\u003c\/td\u003e\n        \u003ctd\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\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd\u003eEvery 2 seasons or ~200 hours (inspect annually)\u003c\/td\u003e\n        \u003ctd\u003eCritical for cooling; replace sooner after overheat\/low‑flow events or sandy use.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/honda-water-pump-repair-kits\"\u003eHonda Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace at ~50% erosion\u003c\/td\u003e\n        \u003ctd\u003eMatch anode material to water type (salt, brackish, fresh) to reduce corrosion.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eThermostat inspection\u003c\/td\u003e\n        \u003ctd\u003eEvery 200 hours or 2 years\u003c\/td\u003e\n        \u003ctd\u003eReplace if sticking or if temperature control is unstable; renew gasket on reassembly.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\"\u003eHonda Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePropeller \u0026amp; hub service\u003c\/td\u003e\n        \u003ctd\u003eInspect each outing; remove \u0026amp; grease splines seasonally\u003c\/td\u003e\n        \u003ctd\u003eCheck for bent blades or a spun hub; verify pitch for hull\/load.\u003c\/td\u003e\n        \u003ctd\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 Kits – \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\/honda-water-pump-repair-kits\"\u003eHonda Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals – \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-lower-unit-seal-kits\"\u003eHonda Lower Unit Seal 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\u003ePropellers \u0026amp; Hubs – \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eBoat 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\" 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\u003eWeak tell‑tale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect intake screens for debris; verify tell‑tale hose is clear; check impeller and thermostat.\u003c\/td\u003e\n        \u003ctd\u003eWater pump repair kit, thermostat, anodes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck propeller for damage or wrong pitch; inspect fuel filter and spark plugs; verify clean hull\/gear.\u003c\/td\u003e\n        \u003ctd\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd\u003eConfirm battery state and cable connections; prime fuel system; inspect plugs and water‑separating filter.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, fuel filter, starter\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd\u003eCheck gear oil level\/condition; inspect prop hub for impact damage; look for leaking prop‑shaft seals.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, propeller\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 across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service items are shared, but key components can vary between Inline‑4, V6, and V8 engines and by serial break. Always confirm the full model code, serial number, shaft length, and rotation before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect annually and replace about every two seasons or ~200 hours. In sandy\/silty water or after any overheat or low‑flow event, replace sooner.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eAt least every 100 hours or annually. If the oil appears milky or contaminated, service immediately and inspect seals for leaks.\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 complete model code (e.g., BF350A variant), serial number, shaft length (L\/XL\/XXL), rotation (standard\/counter), and any known year range. A clear photo of the nameplate helps ensure an exact match.\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 exact‑fit parts? Browse the main Honda collection and filter by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0b6;border-radius:6px;text-decoration:none;\"\u003eShop Honda Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px;font-size:0.95em;\"\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":"wedge-transom-saver-fits-yamaha-mercury-honda-johnson-suzuki-replaces-mar-mtspt-ym-08","title":"Wedge Transom Saver Motor Support – Fits Yamaha, Mercury, Honda, Johnson\/Evinrude \u0026 Suzuki 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 {\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\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eWedge Transom Saver Motor Support\u003c\/strong\u003e is designed to support trailered outboard motors equipped with 2- or 3-ram hydraulic trim\/tilt systems. It fits over an extended trim\/tilt piston rod and provides a stable support point between the engine and transom area, helping reduce movement and the effects of road shock and vibration during transport.\u003c\/p\u003e\n  \u003cp\u003eThe wedge-style design is intended for a broad range of Yamaha, Mercury, Honda, Johnson\/Evinrude, and Suzuki outboards. Confirm your engine's trim\/tilt configuration and installation position before ordering.\u003c\/p\u003e\n  \u003cp\u003eThis aftermarket support is listed as a replacement reference for Yamaha \u003cstrong\u003eMAR-MTSPT-YM-08\u003c\/strong\u003e. Reference numbers identify comparable applications and should be checked against the original component and your engine configuration.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eSlides over the extended trim\/tilt piston rod for installation.\u003c\/li\u003e\n    \u003cli\u003eWedge-shaped, self-centering support design.\u003c\/li\u003e\n    \u003cli\u003eIncludes two steering stabilizers\/centering clips to help limit engine steering movement while trailering.\u003c\/li\u003e\n    \u003cli\u003eConstructed from durable plastic and EPDM rubber for marine and outdoor use.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number References\u003c\/h2\u003e\n  \u003cp\u003eUse these references as comparison information only. Always verify physical design, ram arrangement, and application details before purchase.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand or Source\u003c\/th\u003e\n          \u003cth\u003eReference\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eMAR-MTSPT-YM-08\u003c\/td\u003e\n          \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAftermarket\u003c\/td\u003e\n          \u003ctd\u003eM-Y Wedge Universal Motor Support\u003c\/td\u003e\n          \u003ctd\u003eComparable replacement reference\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\u003eThe following application ranges are provided as general guidance for compatible 2- and 3-ram hydraulic trim\/tilt systems. Exact fit can vary by model, year, ram arrangement, and installation position. Verify your engine before purchase.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel or Range\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eApplication Notes\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\u003eCompatible outboards, including SHO applications\u003c\/td\u003e\n          \u003ctd\u003e115–350\u003c\/td\u003e\n          \u003ctd\u003e2- and 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eFor compatible 2- or 3-ram trim\/tilt systems.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003eF300–F350\u003c\/td\u003e\n          \u003ctd\u003e300–350\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eSome V8 applications may require two supports, one for each ram.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003eCompatible outboards\u003c\/td\u003e\n          \u003ctd\u003e135–300\u003c\/td\u003e\n          \u003ctd\u003e2- and 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eFor compatible 2- or 3-ram trim\/tilt systems; installation is commonly on the starboard side.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eHonda\u003c\/td\u003e\n          \u003ctd\u003eCompatible outboards\u003c\/td\u003e\n          \u003ctd\u003e90–300\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eFor compatible 2- or 3-ram trim\/tilt systems; installation is commonly on the starboard side.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n          \u003ctd\u003eCompatible outboards, including E-TEC and FICHT applications\u003c\/td\u003e\n          \u003ctd\u003e150–300\u003c\/td\u003e\n          \u003ctd\u003e2- and 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eFor compatible 2- or 3-ram trim\/tilt systems; installation is commonly on the starboard side.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSuzuki\u003c\/td\u003e\n          \u003ctd\u003eDF140–DF350\u003c\/td\u003e\n          \u003ctd\u003e140–350\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eFor compatible 2- or 3-ram trim\/tilt systems.\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\u003eWedge transom saver and outboard motor support\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eSlides over an extended trim\/tilt piston rod\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eCompatible 2- or 3-ram hydraulic trim\/tilt systems\u003c\/dd\u003e\n    \u003cdt\u003eDesign\u003c\/dt\u003e\n    \u003cdd\u003eWedge-shaped, self-centering support\u003c\/dd\u003e\n    \u003cdt\u003eConstruction\u003c\/dt\u003e\n    \u003cdd\u003ePlastic and EPDM rubber\u003c\/dd\u003e\n    \u003cdt\u003eColor\u003c\/dt\u003e\n    \u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003cdt\u003eReference Length\u003c\/dt\u003e\n    \u003cdd\u003eApproximately 8.5 inches (215.9 mm), subject to product variation\u003c\/dd\u003e\n    \u003cdt\u003eIncluded Stabilizers\u003c\/dt\u003e\n    \u003cdd\u003eTwo steering stabilizers\/centering clips\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\n    \u003cli\u003e1 x Wedge Transom Saver Motor Support\u003c\/li\u003e\n    \u003cli\u003e2 x Steering Stabilizers\/Cent​​ering Clips\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eTrim the outboard to its maximum tilt position so the hydraulic ram or rams are fully extended.\u003c\/li\u003e\n    \u003cli\u003eIdentify the correct trim\/tilt piston for your engine. On many applications, the support is installed on the main or starboard-side ram.\u003c\/li\u003e\n    \u003cli\u003eClean the exposed piston rod and remove grease, dirt, or debris that could prevent a secure fit.\u003c\/li\u003e\n    \u003cli\u003eSlide the wedge support over the exposed piston rod. Ensure that it is seated and aligned correctly.\u003c\/li\u003e\n    \u003cli\u003eSlowly lower the motor until the support rests securely between the motor and transom mount. Do not force the motor against the support.\u003c\/li\u003e\n    \u003cli\u003eInstall the two included steering stabilizers\/centering clips on the hydraulic steering rods as appropriate for your steering system.\u003c\/li\u003e\n    \u003cli\u003eConfirm that the support and stabilizers remain secure before towing, and recheck them periodically during extended transport.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich outboard motors is this transom saver designed for?\u003c\/summary\u003e\n    \u003cp\u003eIt is designed for compatible Yamaha, Mercury, Honda, Johnson\/Evinrude, and Suzuki outboards using 2- or 3-ram hydraulic trim\/tilt systems. Review the application table and compare your engine's ram arrangement before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow is the wedge support installed?\u003c\/summary\u003e\n    \u003cp\u003eRaise the motor, extend the appropriate trim\/tilt ram, slide the wedge over the exposed piston rod, and lower the motor gently until it rests securely on the support. Install the two included steering stabilizers on the steering rods where appropriate.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this support work on a single-ram tilt system?\u003c\/summary\u003e\n    \u003cp\u003eNo. This support is intended for compatible 2- or 3-ram hydraulic trim\/tilt arrangements and should not be used on a single-ram setup unless the application is specifically confirmed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the included steering stabilizers for?\u003c\/summary\u003e\n    \u003cp\u003eThe two included stabilizers\/centering clips help limit steering movement and side-to-side engine sway during trailering when installed correctly on the steering rods.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need one or two supports?\u003c\/summary\u003e\n    \u003cp\u003eMost compatible applications use one support. Certain large engines or configurations, including some Yamaha V8 applications, may require two supports—one for each ram. Check the engine manufacturer's guidance and the physical ram arrangement.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the support made of?\u003c\/summary\u003e\n    \u003cp\u003eThe support uses a combination of plastic and EPDM rubber intended for marine and outdoor trailering conditions.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is an aftermarket replacement support. Yamaha MAR-MTSPT-YM-08 is provided as a reference number for application comparison and does not indicate that this product is manufactured by Yamaha.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow should I verify compatibility?\u003c\/summary\u003e\n    \u003cp\u003eCompare the original support, piston-rod dimensions, ram arrangement, installation position, and engine model details. Do not rely on horsepower alone; year, model, stroke, and trim\/tilt configuration can affect fit.\u003c\/p\u003e\n  \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 engine model, year, horsepower, stroke, ram arrangement, and physical dimensions before ordering.\u003c\/li\u003e\n    \u003cli\u003eDo not use this support on a single-ram system unless compatibility has been specifically confirmed.\u003c\/li\u003e\n    \u003cli\u003eInspect the support and steering stabilizers for damage, looseness, or deterioration before each trip.\u003c\/li\u003e\n    \u003cli\u003eLower the motor gently onto the support; do not use excessive force or rely on the support as a substitute for proper trailering procedures.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct installation position is unclear.\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 Parts Selection\u003c\/strong\u003e — Practical replacement components for real-world boating and trailering applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Product information is organized to help you compare engine configuration and installation requirements.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValue-Oriented Parts\u003c\/strong\u003e — Aftermarket solutions selected for everyday marine maintenance and repair needs.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718265114939,"sku":"22TS001","price":36.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Transom_Rubber_Support_and_Motor_Lock_for_Boat_Outboards_and_Stern_Drives_with_3_Rams_Trim_and_Tilt_Plastic_Saver_Protect_Bar_-_JLM_MARINE-8286846.jpg?v=1762958498"}],"url":"https:\/\/seasierra.com\/collections\/honda-marine-4-stroke-115-350hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}