{"title":"2-Stroke 200HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e0e0e0; border-radius:8px; max-width:980px; margin:0 auto 20px auto;\"\u003e\n  \u003cp\u003eThis page is dedicated to Mercury 2‑Stroke 200 HP outboard engines. Use it to quickly find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Mercury 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\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:980px; margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eHow to Identify Your 200HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the serial\/nameplate: typically on the starboard transom bracket or on the swivel bracket under the cowling latch area.\u003c\/li\u003e\n    \u003cli\u003eRead the model\/serial details: suffixes indicate shaft length (L\/XL), rotation (std.\/counter), and configuration (e.g., 200, 200 EFI, XR6).\u003c\/li\u003e\n    \u003cli\u003eDistinguish platforms: classic carb\/EFI 2‑stroke V6 versus later 2‑stroke DFI (Optimax). Cowl badging and presence of high‑pressure fuel\/air rails are clues.\u003c\/li\u003e\n    \u003cli\u003eMeasure shaft length (20\" vs 25\") and confirm control type (remote). These affect gearcase, shift cables, and prop selection.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"max-width:980px; margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eV6 2‑Stroke Carb\/EFI (2.4–2.5L) – 200 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; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; 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; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eV6 2‑stroke, carbureted or EFI, oil‑injected\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e200, 200 EFI, XR6, Offshore variants\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eStrong mid‑range, wide parts availability, straightforward service\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCooling system health (impeller\/thermostats) and clean fuel delivery (filters\/lines) are critical for longevity.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV6 2‑Stroke DFI (Optimax) – 200 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; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; 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; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eV6 2‑stroke direct fuel injection (Optimax)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eOptimax 200, 200XS (select years)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eImproved fuel economy and emissions vs. carb models; strong hole‑shot\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHigh‑pressure fuel\/air systems demand clean filtration and timely service; cooling parts (impeller\/thermostats) remain shared maintenance priorities.\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:980px; margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines; 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; padding:8px; border-bottom:1px solid #ddd;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; 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:8px; border-bottom:1px solid #eee;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect for water or metal debris; reseal if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e100 hours (inspect every 50 hours)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace fouled or worn plugs; verify gap and heat range for your model.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plug Collection\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filter \/ water‑separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eDrain or replace; keep fuel clean to protect injectors\/carb circuits.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\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; border-bottom:1px solid #eee;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 2 seasons or ~200 hours (sooner for sand\/silt use)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEssential for cooling and idle tell‑tale stream; replace housing as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eThermostats\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect annually; replace ~2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eImproves warm‑up and smoke control; replace if stuck or corroded.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eCooling Components\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAnodes (sacrificial)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 3–6 months; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eChoose alloy for your water (zinc\/brackish, aluminum\/fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\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; border-bottom:1px solid #eee;\"\u003eOil‑injection system check\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAnnually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect tank screen, lines, and pump output; verify warning system.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses \u0026amp; Lines\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50–100 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for bent blades and hub slippage; correct pitch restores RPM.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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=\"max-width:980px; margin:0 auto 28px auto;\"\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\/mercury-water-pump-repair-kits\"\u003eMercury 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\u003eGearcase \/ Sealing – \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\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:980px; margin:0 auto 28px auto;\"\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; padding:8px; border-bottom:1px solid #ddd;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; 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:8px; border-bottom:1px solid #eee;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eDebris on intake screens, worn impeller, stuck thermostat\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump kit, thermostat, intake screen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eClogged fuel filter, fouled plugs, damaged prop, air leaks in fuel line\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filter, spark plugs, propeller, fuel hose\/primer bulb\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePrimer\/enrichment operation, stale fuel, plug condition, compression\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs, fuel pump\/filter, hoses, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eOil‑injection setting, cold thermostat, rich idle circuit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eThermostat, spark plugs, fuel system gaskets\/lines\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;\"\u003eLow\/contaminated oil, prop shaft seal damage, fishing line on shaft\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, bearings, 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:980px; margin:0 auto 28px auto;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between carb\/EFI and Optimax 200 models?\u003c\/summary\u003e\n    \u003cp\u003eSome hardware, gaskets, and gearcase items overlap, but fuel‑system and many electrical components differ. Always confirm by serial number and configuration (carb\/EFI vs DFI Optimax) 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\u003eAs a preventive measure, replace every two seasons or ~200 hours—sooner if you operate in sand, silt, or see a weak tell‑tale stream. If the engine overheats, service the entire pump (impeller, wear plate, cup, and seals).\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower‑unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eChange at least annually or every 100 hours. Inspect the drained oil for water (milky color) or metal. Any contamination suggests seals or internal wear require attention before re‑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\u003eProvide the engine serial number, model designation (e.g., 200, 200 EFI, Optimax 200), shaft length (20\"\/25\"), and any observed part numbers on the component being replaced.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border:1px solid #e0e0e0; border-radius:8px; max-width:980px; margin:0 auto 20px auto;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Mercury collection and use the Filter \u0026amp; Sort tools to pinpoint the right components for your 200 HP setup.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:10px; color:#444;\"\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":"whale-tail-hydrofoil-stabilizer-fits-outboard-motors-stern-drives-40-300-hp-replaces-fo2003","title":"Whale Tail Hydrofoil Stabilizer for 40–300 HP Outboard Motors and Stern Drives","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\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 marine-grade reinforced PA66 nylon \u003cstrong\u003eWhale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is designed for many 40–300 HP outboard motors and stern drives. By adding hydrodynamic lift at the stern, it can help improve low-speed handling, reduce porpoising, shorten time to plane, and help the boat remain on plane at lower speeds.\u003c\/p\u003e\n\u003cp\u003eThis is an aftermarket hydrofoil stabilizer referenced in some listings as a replacement for FO2003 and as a Whale Tail-style hydrofoil. Confirm the dimensions, mounting area, engine or drive configuration, and listed exceptions before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrill-and-bolt installation on the anti-cavitation plate; mounting hardware and a drill bit are included.\u003c\/li\u003e\n  \u003cli\u003eMade from reinforced, marine-grade PA66 nylon for strength, impact resistance, and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eThe curved hydrofoil profile is intended to improve stern lift while helping manage drag and propeller-area turbulence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe references below are aftermarket or listing references and should not be treated as proof of fitment by themselves. Always compare the product dimensions and application requirements with your equipment.\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\u003eReference\u003c\/th\u003e\n        \u003cth\u003eNumber or Description\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket reference\u003c\/td\u003e\n        \u003ctd\u003eFO2003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eProduct style\u003c\/td\u003e\n        \u003ctd\u003eWhale Tail Hydrofoil Stabilizer\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Drive Compatibility\u003c\/h2\u003e\n\u003cp\u003eApplication depends on the shape and available mounting area of the anti-cavitation plate or drive. The following information describes the intended application range and important exclusions noted for this style of hydrofoil; it does not replace a dimensional fit check.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Drive Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand or Application\u003c\/th\u003e\n        \u003cth\u003eCompatibility\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\u003eGeneral application\u003c\/td\u003e\n        \u003ctd\u003eMany 40–300 HP outboard motors and stern drives\u003c\/td\u003e\n        \u003ctd\u003eConfirm clearance, mounting surface, dimensions, and hardware requirements before installation.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eSX-A, DPS, DPR, DPH, and 280\/290 series applications may be suitable\u003c\/td\u003e\n        \u003ctd\u003eSome installations may require longer bolts and 1-inch fender washers. Not recommended for Volvo Ocean Series XDP applications.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eMany 40–300 HP applications\u003c\/td\u003e\n        \u003ctd\u003eNot recommended for Mercury 4-Stroke 40, 50, or 60 HP models and not for Mercury Bravo II.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eMany 40–200 HP applications\u003c\/td\u003e\n        \u003ctd\u003eNot recommended for applications above 200 HP.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eMany 40–300 HP applications\u003c\/td\u003e\n        \u003ctd\u003eNot recommended for 350 HP applications.\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\u003eHydrofoil stabilizer\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eFour-bolt installation; drilling required\u003c\/dd\u003e\n  \u003cdt\u003eMounting Location\u003c\/dt\u003e\n  \u003cdd\u003eAnti-cavitation plate or compatible stern-drive mounting surface\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eReinforced PA66 nylon, marine-grade plastic\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n  \u003cdd\u003eBlue, silver, or red depending on the selected model or available version\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 17 × 14.4 inches (432 × 366 mm)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 1.72 kg (3.79 lb)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n  \u003cdd\u003eDrill and bolt\u003c\/dd\u003e\n  \u003cdt\u003eHydrofoil Profile\u003c\/dt\u003e\n  \u003cdd\u003eCurved profile designed to provide stern lift and help reduce porpoising\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Hydrofoil stabilizer\u003c\/li\u003e\n  \u003cli\u003e4 × Sets of stainless-steel screws, washers, and nuts\u003c\/li\u003e\n  \u003cli\u003e1 × 6.5 mm drill bit\u003c\/li\u003e\n  \u003cli\u003e1 × Installation instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eFor safety, disconnect the engine battery before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eCenter the hydrofoil on the anti-cavitation plate or compatible drive mounting surface. Position it as far back as practical without interfering with propeller movement or steering components.\u003c\/li\u003e\n  \u003cli\u003eUse the hydrofoil mounting holes as a template and mark the four drilling points.\u003c\/li\u003e\n  \u003cli\u003eRemove the hydrofoil and carefully drill the marked holes with the included 6.5 mm drill bit, provided the plate thickness and material are suitable for drilling.\u003c\/li\u003e\n  \u003cli\u003ePlace the hydrofoil on the plate and align it with the drilled holes.\u003c\/li\u003e\n  \u003cli\u003eInsert the stainless-steel bolts from the top and secure them underneath with the washers and nuts.\u003c\/li\u003e\n  \u003cli\u003eTighten the fasteners evenly and securely. Do not overtighten, as this may damage the plate or the hydrofoil.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and test the boat at low speed in a safe, open-water area. Check the installation again after the initial test run.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this hydrofoil fit my specific engine or drive?\u003c\/summary\u003e\n  \u003cp\u003eThis stabilizer is intended for many 40–300 HP outboard motors and stern drives, but fitment depends on the plate or drive geometry, available mounting area, clearance, and the exclusions listed above. Compare the dimensions and installation requirements with your equipment before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I have to drill holes in the anti-cavitation plate?\u003c\/summary\u003e\n  \u003cp\u003eYes. This model uses a four-bolt installation and requires four holes to be drilled in a suitable mounting surface. If you are not certain that the plate can be drilled safely, consult a qualified marine technician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow can a hydrofoil improve performance?\u003c\/summary\u003e\n  \u003cp\u003eThe hydrofoil adds hydrodynamic lift to the stern. Depending on the boat and setup, this may help the boat reach plane sooner, stay on plane at lower speeds, improve low-speed handling, and reduce bow bouncing or porpoising.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this reduce my boat's top speed?\u003c\/summary\u003e\n  \u003cp\u003eResults vary by boat, engine, propeller, loading, and installation. A hydrofoil may change handling and speed characteristics, and some setups may experience a small reduction in top speed because of added drag. Test the boat carefully after installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the benefit of reinforced PA66 nylon?\u003c\/summary\u003e\n  \u003cp\u003eReinforced PA66 nylon combines stiffness, impact resistance, and corrosion resistance. It is intended to provide a durable alternative to ordinary unreinforced plastic in a marine environment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket hydrofoil stabilizer. The FO2003 reference is provided as an aftermarket reference only and does not, by itself, establish OEM manufacture or universal interchangeability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow should I confirm fitment before ordering?\u003c\/summary\u003e\n  \u003cp\u003eCheck the available mounting area, overall dimensions, anti-cavitation plate or drive shape, propeller and steering clearance, engine horsepower, and the model-specific exclusions. If any measurement or application detail differs, do not proceed without professional confirmation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the dimensions, mounting surface, clearances, and application notes against your equipment before purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product requires drilling and bolting; professional marine installation is recommended when you are not experienced with structural or engine-related work.\u003c\/li\u003e\n  \u003cli\u003eInspect all fasteners and the hydrofoil after the first test run and periodically during use.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the boat if the hydrofoil is loose, cracked, damaged, or interfering with the propeller, steering, or trim system.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement product, not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts selected for dependable materials and real-world use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — We aim to provide practical replacement solutions with clear product information.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport-Focused Service\u003c\/strong\u003e — Confirm your application details before ordering and contact support if you need help reviewing product measurements or installation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718235459899,"sku":"WV-JALU-N3EB","price":64.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/WV-JALU-N3EB.png?v=1762958052"}],"url":"https:\/\/seasierra.com\/collections\/2-stroke-200hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}