{"product_id":"wiseco-wpc123-crankshaft-kit-yamaha-yz85-moto-house-mx","title":"Wiseco Crankshaft Kit WPC123 — Yamaha YZ85 2002-2018","description":"\u003cdiv\u003e\n  \u003ch1\u003e\u003cstrong\u003eWiseco Crankshaft Kit WPC123 — Yamaha YZ85 2002-2018\u003c\/strong\u003e\u003c\/h1\u003e\n\n  \u003ch2\u003eProduct Description\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eWiseco Bottom End Crankshaft Kit WPC123\u003c\/strong\u003e is the ultimate all-in-one solution for a complete engine overhaul on your \u003cstrong\u003eYamaha YZ85\u003c\/strong\u003e. Factory-assembled and precision-trued to exact OEM specifications, this kit takes the guesswork out of your rebuild. By combining the crankshaft assembly with high-quality main bearings and a complete bottom-end gasket set, Wiseco provides everything you need to restore your engine's reliability and performance with total confidence.\u003c\/p\u003e\n  \u003cp\u003eEvery component is engineered for durability, featuring Wiseco's double-forged connecting rods that offer superior dimensional consistency. The crankshaft undergoes a specialized shot-peening process to eliminate residual stresses, while precision honing ensures an ultra-round surface for maximum bearing life. With performance-focused details like precision oiling slots and double-drilled small ends, this kit is designed to handle the intense thermal demands of competitive motocross racing.\u003c\/p\u003e\n\n  \u003ch3\u003eTop Features: Wiseco Crankshaft Kit\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFactory assembled and precision-trued to exceed OEM specifications.\u003c\/li\u003e\n    \u003cli\u003eDouble-forged connecting rods for enhanced grain flow and strength.\u003c\/li\u003e\n    \u003cli\u003eShot-peened surface treatment eliminates stress and improves fatigue resistance.\u003c\/li\u003e\n    \u003cli\u003eOptimized radial clearance for maximum performance and longevity.\u003c\/li\u003e\n    \u003cli\u003eIncludes crankshaft assembly, main bearings, and full bottom-end gasket set.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.\u003c\/em\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eFitment List\u003c\/h2\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; margin-top: 15px; margin-bottom: 15px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #f7f7f7;\"\u003e\n        \u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eYear Range\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Brand\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003e2002-2018\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYamaha\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYZ85\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: Does this kit include everything needed to rebuild the bottom end?\u003c\/strong\u003e\u003cbr\u003e\n  A: Yes, this kit is comprehensive and includes the crankshaft assembly, main bearings, and the complete bottom-end gasket set required for the job.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: Why are the small ends double-drilled?\u003c\/strong\u003e\u003cbr\u003e\n  A: The double-drilled small ends provide additional lubrication and cooling to the piston pin, which helps reduce thermal distortion and improves top-end durability under heavy loads.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e When installing your new crankshaft, always ensure your engine cases are perfectly clean and free of debris. Use a high-quality assembly lube on the bearings during installation and double-check your crank end-play according to the Yamaha service manual to ensure the engine spins freely before buttoning it up.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eRecommended Pairings:\u003c\/strong\u003e\u003cbr\u003e\n  o    \u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yz85-performance-parts-and-accessories-moto-house-mx\"\u003eYamaha YZ85 Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003cbr\u003e\n  o    \u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eEssential Engine Rebuild Tools\u003c\/a\u003e\u003cbr\u003e\n  o    \u003ca href=\"https:\/\/motohousemx.com\/collections\/premium-motorcycle-chemicals-brake-fluid-bike-wash-coolant-chain-lubes\"\u003ePremium Engine Assembly Lubricants\u003c\/a\u003e\u003c\/p\u003e\n\n  \u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cem\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions\u003c\/strong\u003e – Clermont \/ Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.\u003c\/em\u003e\u003c\/p\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Wiseco Crankshaft Kit WPC123\",\n    \"brand\": {\n      \"@type\": \"Brand\",\n      \"name\": \"Wiseco\"\n    },\n    \"mpn\": \"WPC123\",\n    \"description\": \"Complete bottom end crankshaft kit for Yamaha YZ85, including crankshaft assembly, main bearings, and gaskets.\"\n  }\n  \u003c\/script\u003e\n\u003c\/div\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":13566899028051,"sku":"WPC123","price":290.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/wiseco-bottom-end-kit-wpc123-yamaha-yz85-2002-2018-107973.webp?v=1738047884","url":"https:\/\/motohousemx.com\/products\/wiseco-wpc123-crankshaft-kit-yamaha-yz85-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}