{"title":"Honda Marine 4-Stroke Outboard 20-130HP","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page covers Honda Marine 4-Stroke Outboard 20–130HP engines and helps you find compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Honda collection, and at the bottom of this page you can start browsing parts for this engine. On the collection page, use the \"Filter \u0026amp; Sort\" controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#1f2937; color:#fff; 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 20–130HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look for the serial\/model plate on the port transom clamp bracket or on the swivel bracket under the engine cowling.\u003c\/li\u003e\n    \u003cli\u003eReading the code: Honda model codes typically begin with \"BF\" (e.g., BF20, BF60, BF90, BF115). Suffix letters\/digits indicate shaft length, control type (tiller\/remote), and revision\/year information.\u003c\/li\u003e\n    \u003cli\u003ePlatform clues: 20–60HP models are compact twin or inline‑3 four-strokes; 75–130HP models are typically inline‑4 EFI four-strokes. Larger mid\/high‑range units may support advanced controls on select years.\u003c\/li\u003e\n    \u003cli\u003e4‑Stroke confirmation: An oil fill cap and spin‑on oil filter are present; oil level is checked via dipstick on the powerhead side.\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  \u003ch3\u003e20–60HP Portable\/Mid‑Range\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;\"\u003e4‑stroke SOHC, 2–3 cylinders; carbureted or EFI depending on year; manual or power trim options.\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;\"\u003eBF20, BF25\/BF30, BF40\/BF50, BF60.\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, quiet operation, good fuel economy, easy trailering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump and gearcase service are key for reliability. Prop hub sizes and control linkages vary by HP and shaft length—verify before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003e75–130HP Mid\/High Inline‑4\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin-top:12px;\"\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;\"\u003e4‑stroke inline‑4, EFI; mechanical controls on many models, with advanced control options on select 115HP+ year ranges.\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;\"\u003eBF75, BF90, BF100, BF115; earlier ranges include BF130 in some markets\/years.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStrong mid‑range torque, smooth running, efficient cruising, broad propeller selection.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller hardware and anode kits may differ by gearcase generation. Verify model code, gearcase type, and shaft length when selecting seals and props.\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 typical recreational use. Always follow the official Honda service manual and your specific model’s maintenance schedule.\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;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eChange sooner after break‑in. Use marine‑grade FC‑W oil; replace filter each service.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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: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 or metal. Replace drain\/fill gaskets each service.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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 style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect 100 hours; replace 300 hours or 3 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGap to spec; replace sooner if fouled, corroded, or misfire noted.\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 \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain\/replace more often in humid or ethanol fuel environments.\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 every 2–3 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner if weak telltale, overheat alarm, or sand\/silt operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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:8px;\"\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50–100 hours; replace when 50% eroded\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eChoose anode material to match water type (salt\/brackish\/fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eThermostat\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect 200 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStuck thermostat can cause overheat or cold‑running rich condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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 style=\"padding:8px;\"\u003eLower unit seals (as needed)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePressure\/vac test at gear oil service or after impact\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIf water intrusion is found, reseal before further use.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-water-pump-repair-kits\"\u003eHonda Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; 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\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\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  \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%; 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 telltale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens, telltale hose, thermostat; verify water pump condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, thermostat, intake screen, anodes.\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;\"\u003eCheck fuel freshness, primer bulb, filters; inspect plugs and idle air passages.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, fuel filter, injector\/carb components, vacuum lines.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm correct prop pitch and undamaged blades; rule out fuel restriction and fouled plugs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filters, spark plugs.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck oil level\/condition; perform pressure\/vac test; inspect prop shaft for fishing line.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil, lower unit seal kit, bearings.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eBattery not charging\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify battery state, fuses, and grounds; test rectifier\/regulator output per manual.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRectifier\/regulator, stator, wiring\/fuse set.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome items cross over within the same platform (e.g., BF40\/50\/60 share families of parts), but many components are model‑year and gearcase specific. Always confirm by model code, serial number, and shaft length.\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 every 2–3 years, or immediately if you see a weak stream, overheating, or if the engine has run in sand\/silt. Heavy use may require more frequent service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 100 hours or once per year. Replace crush washers and check for water or metal. If contamination is found, pressure\/vac test and reseal the gearcase.\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 full model code (e.g., BF90 with suffix), serial number, shaft length, control type (tiller\/remote), and any known year range or features. Photos of the nameplate and the part needing replacement are very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e7eb;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse our Honda collection and refine by horsepower, year, and model to pinpoint the right parts.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/honda-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#2563eb; color:#fff; border-radius:6px; text-decoration:none;\"\u003eShop Honda Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#6b7280;\"\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":"thermostat-72-c-162-f-fits-honda-outboard-motors-20-130-hp-replaces-19300-zv5-043-19300-zv5-023-19300-zv5-013","title":"72°C\/162°F Thermostat for Honda BF25–BF130 and Nissan\/Tohatsu BFT115\/BFT130\/BFT150 Outboards","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis replacement \u003cstrong\u003e72°C\/162°F thermostat\u003c\/strong\u003e is designed to help regulate operating temperature in selected Honda Marine outboard motors and Nissan\/Tohatsu Marine outboards. The company fitment data covers specified Honda BF25 through BF130 models and Nissan\/Tohatsu BFT115A, BFT130A, and BFT150A models.\u003c\/p\u003e\n\u003cp\u003eThe thermostat is listed for a 72°C (162°F) operating temperature. It is an aftermarket replacement for the manufacturer and aftermarket references shown below; always verify the complete engine model and part number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e72°C\/162°F thermostat for selected marine outboard applications.\u003c\/li\u003e\n  \u003cli\u003eApplicable to listed Honda BF and Nissan\/Tohatsu BFT models.\u003c\/li\u003e\n  \u003cli\u003eSingle thermostat supplied; this listing is not a complete thermostat kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eUse these references to compare the thermostat with the part removed from your engine. Reference numbers do not replace model and serial-number verification.\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 Number\u003c\/th\u003e\n        \u003cth\u003eReference Type\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e19300-ZV5-003\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e19300-ZV5-013\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e19300-ZV5-023\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e19300-ZV5-033\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003e19300-ZV5-043\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n\u003ctd\u003eHZV5-19300-043\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n\u003ctd\u003eHZV519300043\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference, unhyphenated format\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3630\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe following applications are taken from the company fitment records for this product. Year, serial-number, shaft-length, and stroke conditions are not specified in the available company data, so confirm those details with the engine identification plate and service manual before installation.\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 Model Family\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYear \/ Serial Conditions\u003c\/th\u003e\n        \u003cth\u003eReference\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF25A, BF25A1, BF25A2, BF25A3, BF25AW, BF25AX, BF25AY\u003c\/td\u003e\n        \u003ctd\u003e25\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF30A, BF30A1, BF30A2, BF30A3, BF30AW, BF30AX, BF30AY\u003c\/td\u003e\n        \u003ctd\u003e30\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF35AM\u003c\/td\u003e\n        \u003ctd\u003e35\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF40A, BF40A1, BF40A2, BF40A3, BF40AW, BF40AX, BF40AY\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF45AM\u003c\/td\u003e\n        \u003ctd\u003e45\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF50A, BF50A1, BF50A2, BF50A3, BF50AW, BF50AX, BF50AY\u003c\/td\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF75A1, BF75A2, BF75A3, BF75A4, BF75A6, BF75AT, BF75AW, BF75AX, BF75AY\u003c\/td\u003e\n        \u003ctd\u003e75\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF90A1\u003c\/td\u003e\n        \u003ctd\u003e90\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF115A1, BF115A2, BF115AX, BF115AY\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eBF130A1, BF130A2, BF130AX, BF130AY\u003c\/td\u003e\n        \u003ctd\u003e130\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e19300-ZV5-003, 19300-ZV5-013, 19300-ZV5-023, 19300-ZV5-033, 19300-ZV5-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan \/ Tohatsu\u003c\/td\u003e\n        \u003ctd\u003eBFT115A\u003c\/td\u003e\n        \u003ctd\u003e115\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eHZV5-19300-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan \/ Tohatsu\u003c\/td\u003e\n        \u003ctd\u003eBFT130A\u003c\/td\u003e\n        \u003ctd\u003e130\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eHZV5-19300-043\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan \/ Tohatsu\u003c\/td\u003e\n        \u003ctd\u003eBFT150A\u003c\/td\u003e\n        \u003ctd\u003e150\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eHZV5-19300-043\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\u003eThermostat\u003c\/dd\u003e\n  \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n  \u003cdd\u003e72°C\/162°F\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle thermostat\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eNot specified\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n  \u003cdd\u003eNot specified\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation after confirming model and part-number compatibility\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 72°C\/162°F thermostat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA housing gasket and other installation hardware are not identified as included. Check the original assembly and service manual to determine whether a replacement gasket is required.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eAllow the engine to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery and follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n  \u003cli\u003eLocate the thermostat housing according to the service manual for the specific engine model.\u003c\/li\u003e\n  \u003cli\u003eRemove the housing cover and note the original thermostat orientation.\u003c\/li\u003e\n  \u003cli\u003eRemove the old thermostat and inspect the housing and sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces without damaging them.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement thermostat in the correct orientation.\u003c\/li\u003e\n  \u003cli\u003eReplace the housing gasket if required by the service manual or if the original gasket is damaged.\u003c\/li\u003e\n  \u003cli\u003eReinstall the housing cover and tighten fasteners to the manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003eRestore the cooling system as required, check for leaks, and confirm proper operating temperature before returning the boat to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat temperature is this thermostat rated for?\u003c\/summary\u003e\n  \u003cp\u003eThe company specification for this thermostat is 72°C (162°F).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhich engines are listed for this thermostat?\u003c\/summary\u003e\n  \u003cp\u003eThe listed applications include the specified Honda BF25, BF30, BF35, BF40, BF45, BF50, BF75, BF90, BF115, and BF130 models, plus Nissan\/Tohatsu BFT115A, BFT130A, and BFT150A models. Check the full model designation and reference number before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete thermostat kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. The company product record identifies this as a single thermostat. A gasket or additional hardware is not identified as included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this fit every outboard in the listed horsepower range?\u003c\/summary\u003e\n  \u003cp\u003eNo. Compatibility depends on the exact engine model and its applicable part number. Horsepower alone is not sufficient for fitment confirmation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement. Honda, Nissan, Tohatsu, and Sierra names and numbers are used only to identify applicable reference numbers and applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model, year or serial-number requirement, and reference number before purchase.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement thermostat with the original part before installation.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the engine if the cooling system leaks or if the engine temperature is abnormal.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct procedure or torque specifications are unknown.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Replacement components for selected outboard maintenance and repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Verify the exact model and reference number before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact support if you need help comparing the part with your engine application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723797532987,"sku":"21TH024","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/21TH024_1_e16221d5-012b-4264-a198-4625423287fc.jpg?v=1763032021"}],"url":"https:\/\/seasierra.com\/collections\/honda-marine-4-stroke-outboard-20-130hp.oembed","provider":"SeaSierra","version":"1.0","type":"link"}