{"product_id":"wiseco-crankshaft-kit-yamaha-yz250-wpc134","title":"WISECO Crankshaft Kit Yamaha YZ250 WPC134","description":"Crankshaft Kit - Yamaha YZ250\n\u003cp\u003eThe WISECO Crankshaft Kit is designed for select Yamaha YZ250 and YZ250X applications. The factory-assembled crankshaft is precision trued to OEM specifications and features a double-forged Wiseco connecting rod engineered for dimensional consistency through improved grain flow. The assembly includes main bearings and a bottom-end gasket kit.\u003c\/p\u003e\u003cp\u003eShot-peening helps eliminate residual stresses and smoothly blend the rod forging surfaces, while a corrosion-resistant surface treatment supports durability. Optimized crank pin bearing radial running clearance is designed to support performance, and precision honing provides an ultra-round bearing surface. Precision-engineered oiling slots help maximize rod strength and bearing life. Double-drilled small ends provide the piston pin with additional lubrication and cooling to help reduce top-end distortion caused by thermal transfer from the piston.\u003c\/p\u003e\u003cp\u003eDistributor part number: WPC134. Manufacturer part number: WPC134. Fitment includes 2003, 2006, 2009, 2011, and 2015 Yamaha YZ250 models, plus 2017 Yamaha YZ250, and 2019, 2022, 2023, and 2025 Yamaha YZ250X models.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFactory assembled and precision trued to OEM specifications\u003c\/li\u003e\n\u003cli\u003eDouble-forged Wiseco connecting rod with improved grain flow for dimensional consistency\u003c\/li\u003e\n\u003cli\u003eShot-peened rod forging surfaces help eliminate residual stresses\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant surface treatment\u003c\/li\u003e\n\u003cli\u003eOptimized crank pin bearing radial running clearance\u003c\/li\u003e\n\u003cli\u003ePrecision-honed, ultra-round bearing surface\u003c\/li\u003e\n\u003cli\u003eEngineered oiling slots help maximize rod strength and bearing life\u003c\/li\u003e\n\u003cli\u003eDouble-drilled small ends provide additional piston pin lubrication and cooling\u003c\/li\u003e\n\u003cli\u003eKit includes crankshaft assembly, main bearings, and bottom-end gasket kit\u003c\/li\u003e\n\u003cli\u003eFits select 2003, 2006, 2009, 2011, 2015, and 2017 Yamaha YZ250 models\u003c\/li\u003e\n\u003cli\u003eFits select 2019, 2022, 2023, and 2025 Yamaha YZ250X models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2003 Yamaha YZ250\u003cbr\u003e\n2004 Yamaha YZ250\u003cbr\u003e\n2005 Yamaha YZ250\u003cbr\u003e\n2006 Yamaha YZ250\u003cbr\u003e\n2007 Yamaha YZ250\u003cbr\u003e\n2008 Yamaha YZ250\u003cbr\u003e\n2009 Yamaha YZ250\u003cbr\u003e\n2010 Yamaha YZ250\u003cbr\u003e\n2011 Yamaha YZ250\u003cbr\u003e\n2012 Yamaha YZ250\u003cbr\u003e\n2013 Yamaha YZ250\u003cbr\u003e\n2014 Yamaha YZ250\u003cbr\u003e\n2015 Yamaha YZ250\u003cbr\u003e\n2016 Yamaha YZ250\u003cbr\u003e\n2016 Yamaha YZ250X\u003cbr\u003e\n2017 Yamaha YZ250\u003cbr\u003e\n2017 Yamaha YZ250X\u003cbr\u003e\n2018 Yamaha YZ250\u003cbr\u003e\n2018 Yamaha YZ250X\u003cbr\u003e\n2019 Yamaha YZ250\u003cbr\u003e\n2019 Yamaha YZ250X\u003cbr\u003e\n2020 Yamaha YZ250\u003cbr\u003e\n2020 Yamaha YZ250X\u003cbr\u003e\n2021 Yamaha YZ250\u003cbr\u003e\n2021 Yamaha YZ250X\u003cbr\u003e\n2022 Yamaha YZ250\u003cbr\u003e\n2022 Yamaha YZ250X\u003cbr\u003e\n2023 Yamaha YZ250\u003cbr\u003e\n2023 Yamaha YZ250X\u003cbr\u003e\n2024 Yamaha YZ250\u003cbr\u003e\n2024 Yamaha YZ250X\u003cbr\u003e\n2025 Yamaha YZ250\u003cbr\u003e\n2025 Yamaha YZ250X","brand":"WISECO","offers":[{"title":"Default Title","offer_id":68487899545835,"sku":"09210097","price":466.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/147473.png?v=1794386258","url":"https:\/\/ctracingservices.com\/products\/wiseco-crankshaft-kit-yamaha-yz250-wpc134","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}