{"product_id":"hot-rods-4050-crankshaft-for-yamaha-yz450f-high-performance-rebuildable-crankshaft-with-increased-stroke","title":"Hot Rods 4050 Crankshaft for Yamaha YZ450F – High-Performance Rebuildable Crankshaft with Increased Stroke","description":"\u003cp\u003eThe Hot Rods 4050 crankshaft is a premium replacement component designed specifically for Yamaha YZ450F models from 2003 to 2005. Built to meet or exceed OEM standards, this crankshaft offers a reliable, durable, and high-performance solution for your motorcycle engine. Sold complete with original proven Hot Rods connecting rods, top end bearings, and crankshaft webs, it arrives ready for installation, minimizing downtime and simplifying the rebuild process. This factory-assembled crankshaft is precision trued to OEM specifications, ensuring optimal balance and performance. It features high-quality gears manufactured at DIN Class 9 or higher, providing smooth operation and longevity. The Hot Rods 4050 is fully rebuildable using genuine Hot Rods connecting rods and bearings, offering flexibility for future maintenance or upgrades. As a standard crankshaft, it delivers excellent performance, but it also comes in a stroker version, which includes all the standard features plus increased stroke for higher displacement and horsepower. The stroker model is CNC machined and dynamically balanced to accommodate the increased stroke, ensuring smooth operation without the need for modifications in most applications. It uses stock pistons in most cases and can be paired with Cylinder Works Big Bore cylinders for significant displacement gains. This versatile crankshaft is an ideal choice for enthusiasts seeking reliable power upgrades or rebuild solutions for their Yamaha YZ450F.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCrankshafts designed for reliable engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePremier alternative to costly OEM crankshafts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSold complete with proven Hot Rods connecting rods, top end bearings, and crankshaft webs\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFactory assembled and trued to OEM specifications for optimal balance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully rebuildable with genuine Hot Rods components\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-quality gears manufactured at DIN Class 9 or higher\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable as a stroker crankshaft for increased displacement and horsepower\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncreased stroke for more power and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDrop-in replacement requiring no modifications in most applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCNC machined and dynamically balanced for smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with stock pistons in most cases\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIdeal for pairing with Cylinder Works Big Bore cylinders for significant power gains\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YZ450F 2003\u003cbr\u003e\nYamaha YZ450F 2004\u003cbr\u003e\nYamaha YZ450F 2005","brand":"HOT RODS","offers":[{"title":"Default Title","offer_id":45196372246723,"sku":"421-4050","price":515.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/hot-rods-4050-crankshaft-for-yamaha-yz450f-high-performance-rebuildable-crankshaft-with-increased-stroke-1462064.jpg?v=1780374852","url":"https:\/\/kellymotorsport.com\/products\/hot-rods-4050-crankshaft-for-yamaha-yz450f-high-performance-rebuildable-crankshaft-with-increased-stroke","provider":"Kelly Motorsports","version":"1.0","type":"link"}