{"product_id":"hot-rods-4427-crankshaft-assembly-yamaha-yz250f-moto-house-mx","title":"Hot Rods Crankshaft Assembly 4427 — Yamaha YZ250F 2016-2018","description":"\u003ch1\u003e\u003cstrong\u003eHot Rods Crankshaft Assembly 4427 — Yamaha YZ250F 2016-2018\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eGet your Yamaha YZ250F back to peak performance with the \u003cstrong\u003eHot Rods 4427 Crankshaft Assembly\u003c\/strong\u003e. Designed to be a direct, reliable replacement for your engine, this assembly arrives fully pre-assembled and factory-trued to exact OEM specifications, significantly reducing your installation time and ensuring precision operation.\u003c\/p\u003e\n\u003cp\u003eCrafted from premium \u003cstrong\u003e4140 steel\u003c\/strong\u003e, this crankshaft is engineered to match or exceed the durability of your bike's original equipment. Each unit includes proven Hot Rods connecting rods and high-quality top-end bearings, with precision-machined gears rated at DIN class 9 or higher. When the time comes for a future rebuild, the unit is fully serviceable with genuine Hot Rods components.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Hot Rods Crankshaft Assembly\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSold complete with proven Hot Rods connecting rods and top-end bearings\u003c\/li\u003e\n\u003cli\u003eFactory assembled and trued to meet or exceed OEM specifications\u003c\/li\u003e\n\u003cli\u003eManufactured from durable 4140 steel for high-performance longevity\u003c\/li\u003e\n\u003cli\u003eGears precision-machined to DIN class 9 quality level or higher\u003c\/li\u003e\n\u003cli\u003eComplete, pre-balanced, and ready for immediate installation\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\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;\"\u003e2016-2018\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;\"\u003eYZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include main bearings?\u003c\/strong\u003e\u003cbr\u003eA: No, this assembly includes the connecting rod and top-end bearings. We highly recommend purchasing a new set of high-quality main bearings separately when installing a new crank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this crankshaft balanced to stock specifications?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is factory-balanced and trued to meet or exceed the original Yamaha specs for your 250cc engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e Before installing your engine covers, use a quality assembly lube on all bearing surfaces. Ensure you check your flywheel nut torque during reassembly, as a loose flywheel can cause crankshaft damage that mimics internal engine failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pairings:\u003c\/strong\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yz250f-yz250fx-performance-parts-and-accessories\"\u003eYamaha YZ250F Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eYamaha 4-Stroke Performance Parts\u003c\/a\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/premium-motorcycle-chemicals-brake-fluid-bike-wash-coolant-chain-lubes\"\u003eAssembly Lube \u0026amp; Premium Engine Oil\u003c\/a\u003e\u003c\/p\u003e\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\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\u003cp\u003e \u003c\/p\u003e","brand":"Hot Rods","offers":[{"title":"Default Title","offer_id":40562195398739,"sku":"4427","price":529.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/hot-rods-oem-replacement-crankshaft-4427-2016-2018-yamaha-yz250f-670222.jpg?v=1735344478","url":"https:\/\/motohousemx.com\/products\/hot-rods-4427-crankshaft-assembly-yamaha-yz250f-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}