{"title":"Honda 105HP 4-Stroke Marine Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003cp\u003eThis page is for Honda 4‑Stroke 105HP outboard engines. It helps you find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our 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 results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0b65c2;border-radius:6px;text-decoration:none;color:#0b65c2;\"\u003eBrowse All Honda Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 105HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the identification plate on the transom bracket or swivel bracket; it lists the model code and serial number.\u003c\/li\u003e\n    \u003cli\u003eRead the full model code and suffix – these indicate shaft length (S\/L\/X), control type (tiller or remote), and revision level.\u003c\/li\u003e\n    \u003cli\u003eFor mid‑range Honda 4‑stroke models, many components are shared across the 75–100 hp family; always confirm by serial number for exact impeller, thermostat, and prop hub fit.\u003c\/li\u003e\n    \u003cli\u003eNote rigging details such as mechanical remote controls vs. tiller, and verify gearcase ratio when selecting propellers.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003ch2\u003eEngine \/ Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003eMid‑Range Inline‑4 EFI 4‑Stroke (approx. 75–105 hp)\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;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInline‑4, EFI, 4‑stroke outboard\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eExamples include Honda BF75, BF90, and BF100 (specs vary by revision and market)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSmooth operation, strong mid‑range torque, and good fuel economy\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump kits, anodes, and propellers can vary by gearcase and model suffix. Confirm full model code and serial number for exact fit.\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:900px;padding:12px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Honda 4‑stroke outboards. Always follow the official service manual for your exact model and operating conditions.\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;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eFirst 20 hours, then every 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse FC‑W marine oil; replace the filter and crush washer where applicable\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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 style=\"padding:6px 0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect for milky oil or metal debris; address seals if contamination is found\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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 style=\"padding:6px 0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect every 100 hours; replace at 200–300 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify plug type and gap for your specific model\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hours or each season\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace more frequently if using ethanol fuel or if contamination is suspected\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 2–3 seasons or 200–300 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace sooner after overheat events or sandy\/silty operation\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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 style=\"padding:6px 0;\"\u003eAnodes (sacrificial)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect monthly; replace when ~50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eMatch alloy to your water type (fresh, brackish, or salt)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-water-pump-repair-kits\"\u003eHonda Water 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\u003ePropellers \u0026amp; Hubs: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals \u0026amp; Hardware: \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\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:900px;padding:12px 0;\"\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;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWeak tell‑tale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect intake screens, verify impeller condition, and test thermostat\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump kit, thermostat, intake screen, anodes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck fuel quality, primer bulb, and filters; inspect spark plugs and plug caps\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eFuel filter, primer bulb, spark plugs, ignition leads\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLook for damaged or fouled prop, restricted fuel flow, or throttle travel issues\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePropeller, fuel filter, fuel pumps, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify oil level\/condition; check for fishing line on the prop shaft that may have damaged seals\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLower unit seal kit, bearings, prop shaft hardware\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service items are shared within the mid‑range Honda family, but changes between revisions and model years are common. Always confirm by full model code and serial number before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the water pump impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventive measure every 2–3 seasons or 200–300 hours. Replace sooner if the tell‑tale weakens, you operate in sand or silt, or after any overheat event.\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\u003eEvery 100 hours or annually. If oil appears milky or contains metal debris, address seal issues or internal wear before further use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model code, serial number, horsepower, shaft length, and control type (tiller or remote). Photos of the nameplate and the existing part help ensure an exact match.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"max-width:900px;padding:12px 0;\"\u003e\n  \u003cp\u003eReady to find the right components? Browse the main Honda collection 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 #0b65c2;border-radius:6px;text-decoration:none;color:#0b65c2;\"\u003eShop Honda Outboard 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":"full-outboard-motor-cover-fits-mercury-suzuki-evinrude-yamaha-honda-tohatsu-100-150-hp-universal-fit","title":"Full Outboard Motor Cover for 100–150 HP Engines – Mercury, Suzuki, Evinrude, Yamaha, Honda \u0026 Tohatsu Universal Fit","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 full-coverage outboard motor cover is designed for many 100–150 HP outboard engines from Mercury, Mariner, Suzuki, Evinrude, Johnson, Yamaha, Honda, and Tohatsu. It helps protect the engine from rain, UV exposure, dust, and debris during storage, mooring, and transport. The universal-fit design should be verified against your engine’s measurements before purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTriple-locking closure with a zipper, buckle strap, and drawstring hem for a secure fit.\u003c\/li\u003e\n\u003cli\u003eMade from durable 600D polyester fabric with a waterproof coating and UV-resistant properties.\u003c\/li\u003e\n\u003cli\u003eFull top-to-bottom coverage for the outboard cowling and lower exterior.\u003c\/li\u003e\n\u003cli\u003eIncludes a storage bag for compact storage when the cover is not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis cover is intended for a broad range of 100–150 HP outboard engines. Because cowling shapes and engine dimensions vary by brand, model, year, and shaft configuration, compare your engine’s measurements with the cover dimensions before ordering. The compatibility information below describes the intended application range and is not a model- or serial-number-specific fitment list.\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 Coverage\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eFitment Guidance\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e2- and 4-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSuzuki\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e4-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e2-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e2- and 4-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e4-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMultiple models\u003c\/td\u003e\n        \u003ctd\u003e100–150 HP\u003c\/td\u003e\n        \u003ctd\u003e2- and 4-stroke\u003c\/td\u003e\n        \u003ctd\u003eUniversal application; verify measurements\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eFull outboard motor cover\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eSlip-on installation with zipper, buckle, and drawstring closures\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003e600D polyester fabric with waterproof coating\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n  \u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eApproximate Dimensions\u003c\/dt\u003e\n  \u003cdd\u003e89 in. circumference × 74.8 in. height \/ 226 cm circumference × 190 cm height\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n  \u003cdd\u003e1.26 lb \/ 0.57 kg\u003c\/dd\u003e\n  \u003cdt\u003eFit Type\u003c\/dt\u003e\n  \u003cdd\u003eUniversal fit for applicable 100–150 HP outboards; measurement verification required\u003c\/dd\u003e\n  \u003cdt\u003eProtection Features\u003c\/dt\u003e\n  \u003cdd\u003eWater-resistant protection, UV resistance, and full top-to-bottom coverage\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Full outboard motor cover\u003c\/li\u003e\n\u003cli\u003e1 × Storage bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTurn the engine off and allow it to cool completely before installing the cover.\u003c\/li\u003e\n\u003cli\u003ePosition or tilt the outboard as appropriate for access to the cowling.\u003c\/li\u003e\n\u003cli\u003eUnfold the cover and identify the top and front sections.\u003c\/li\u003e\n\u003cli\u003eSlip the cover over the cowling from top to bottom, ensuring that it is not twisted.\u003c\/li\u003e\n\u003cli\u003eClose the zipper and fasten the buckle strap so the cover sits securely around the engine.\u003c\/li\u003e\n\u003cli\u003ePull the drawstring at the lower hem to adjust the fit around the lower unit.\u003c\/li\u003e\n\u003cli\u003eTuck or secure excess strap and drawstring material to reduce flapping during transport.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this universal cover will fit my 100–150 HP motor?\u003c\/summary\u003e\n  \u003cp\u003eMeasure the circumference and height of your engine’s covered area and compare those measurements with the approximate cover dimensions of 89 inches circumference × 74.8 inches height. Cowling shape, shaft configuration, accessories, and manufacturer design can affect fit, so horsepower alone does not guarantee compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use the cover during boat transport?\u003c\/summary\u003e\n  \u003cp\u003eThe zipper, buckle, and drawstring help hold the cover in place during transport. Before moving the boat, confirm that all three closures are secured and that the cover does not interfere with steering, controls, tie-downs, or other equipment. Follow your boat and engine manufacturer’s transport guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the triple-locking system?\u003c\/summary\u003e\n  \u003cp\u003eThe triple-locking system combines a zipper for installation, a buckle strap to help prevent shifting or billowing, and a drawstring hem to tighten the lower opening around the engine.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow should I clean and maintain the cover?\u003c\/summary\u003e\n  \u003cp\u003eRinse the cover with cool water and clean it with a soft brush or cloth. Avoid bleach, harsh detergents, abrasive cleaners, and solvents that may damage the fabric or coating. Allow the cover to dry completely before folding it and storing it in the supplied bag.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs the cover fully waterproof?\u003c\/summary\u003e\n  \u003cp\u003eThe fabric has a waterproof coating that helps repel rain and moisture. Because seams and closures may not be fully tape-sealed, treat the cover as water-resistant rather than submersible, and avoid relying on it for prolonged immersion or flooding conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if the cover is too loose or too tight?\u003c\/summary\u003e\n  \u003cp\u003eUse the buckle and drawstring to adjust the fit. If the cover cannot be installed without excessive force, remove it and recheck your engine measurements against the approximate cover dimensions. Do not stretch or force the cover over an incompatible engine.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM cover?\u003c\/summary\u003e\n  \u003cp\u003eThis is an aftermarket replacement cover, not an OEM-branded component. It is intended for the stated universal-fit application and should be checked against your engine’s dimensions before purchase.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the engine’s measurements, configuration, and accessories before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not install the cover over a hot or running engine.\u003c\/li\u003e\n\u003cli\u003eCheck that the cover and closures are secure and clear of moving parts before transport.\u003c\/li\u003e\n\u003cli\u003eDo not use the cover as a lifting device or as a substitute for required engine support.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket cover and is not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Focused Products\u003c\/strong\u003e — We supply practical aftermarket products for boat maintenance, storage, and on-water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Guidance\u003c\/strong\u003e — Product dimensions and application information are provided to help customers compare products with their equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue-Oriented Selection\u003c\/strong\u003e — We focus on useful marine accessories and replacement products for everyday ownership.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717909516603,"sku":"ECH402-QM","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/ECH402-QM.png?v=1762938194"}],"url":"https:\/\/seasierra.com\/collections\/honda-105hp-4-stroke-marine-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}