Hot Rods Stroker Crankshaft for Yamaha YZ250F - Part #4149

Upgrade your Yamaha YZ250F with the Hot Rods Stroker Crankshaft, part number 4149, designed for optimal performance and durability. This high-quality crankshaft is a premier alternative to costly OEM components, offering a reliable and cost-effective solution for serious riders and rebuilders. It comes fully assembled with the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs, ensuring a straightforward installation process. Manufactured and trued to OEM specifications, the Hot Rods crankshaft surpasses OEM standards in both performance and longevity, making it an ideal choice for enhancing your bike's power output. Whether you're rebuilding or customizing your engine, this crankshaft is fully re-buildable with genuine Hot Rods connecting rods and bearings, providing long-term serviceability and flexibility for future upgrades.Designed to handle increased power, the Hot Rods Stroker Crankshaft features an increased stroke, which results in higher displacement and horsepower. Its CNC-machined and dynamically balanced construction ensures smooth operation and optimal performance, with no modifications required in most applications for a direct drop-in replacement. This crankshaft uses stock pistons in most cases, simplifying upgrades, and is compatible with Cylinder Works Big Bore cylinders to achieve significant displacement and power gains. The gears are manufactured to meet DIN Class 9 or higher standards, ensuring reliable engagement and durability, even under demanding riding conditions.Ideal for riders seeking increased performance from their Yamaha YZ250F, this crankshaft is engineered for durability and high-performance use. Its comprehensive design and quality manufacturing make it a top choice for enthusiasts aiming for increased horsepower and engine responsiveness. The Hot Rods Stroker Crankshaft is a robust, reliable component that enhances your bike's capabilities while maintaining compatibility with existing parts, providing excellent value and performance for your rebuild or upgrade project.

Features:

• Crankshafts designed for high performance and durability

• Premier alternative to costly OEM crankshafts

• Sold complete and pre-assembled with proven Hot Rods components

• Factory assembled and trued to OEM specifications for reliable performance

• Fully re-buildable using genuine Hot Rods connecting rods and bearings

• Gears manufactured to DIN Class 9 or higher standards

• Stroker design with increased stroke for higher displacement and horsepower

• Drop-in replacement requiring no modifications in most applications

• CNC-machined and dynamically balanced for smooth operation

• Compatible with stock pistons and can be paired with Big Bore cylinders for significant power gains

Fits,
Yamaha YZ250F 2003
Yamaha YZ250F 2004
Yamaha YZ250F 2005
Yamaha YZ250F 2006
Yamaha YZ250F 2007
Yamaha YZ250F 2008
Yamaha YZ250F 2009
Yamaha YZ250F 2010
Yamaha YZ250F 2011
Yamaha YZ250F 2012
Yamaha YZ250F 2013