Hot Rods Complete Crankshaft Assembly for Yamaha YFM660R Raptor (2001-2005)

Upgrade your Yamaha YFM660R Raptor with the Hot Rods Part Number 4144 complete crankshaft assembly, designed for optimal performance and durability. This premium crankshaft is a cost-effective alternative to OEM parts, offering the same high-quality standards with reliable performance. It arrives fully assembled and ready for installation, featuring the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs to ensure a seamless upgrade process. Factory assembled and trued to OEM specifications, Hot Rods crankshafts are engineered to meet or exceed original factory performance, providing a dependable upgrade for your ATV. Additionally, these crankshafts are fully rebuildable with genuine Hot Rods connecting rods and bearings, allowing for future maintenance and longevity. Manufactured to high standards, gears are produced at a DIN Class 9 or higher, ensuring precise engagement and durability. The crankshaft assembly is also available in a stroker version, offering increased stroke for greater displacement and horsepower. This drop-in replacement requires no modifications in most applications, simplifying installation. CNC machined and dynamically balanced to accommodate the increased stroke, it uses a stock piston in most cases and can be combined with Cylinder Works Big Bore cylinders for substantial gains in displacement and power. Whether you're restoring or upgrading your Yamaha Raptor, the Hot Rods complete crankshaft assembly delivers enhanced performance, improved reliability, and a straightforward installation process that gets you back on the trail quickly.

Features:

• Crankshafts designed as a premier alternative to costly OEM parts

• Sold complete and ready for installation with proven Hot Rods components

• Factory assembled and trued to OEM specifications for performance and durability

• Fully rebuildable with genuine Hot Rods connecting rods and bearings

• Gears manufactured at a DIN Class 9 or higher level for reliability

• Stroker crankshaft option increases stroke for higher displacement and horsepower

• Drop-in replacement requiring no modifications in most cases

• CNC machined and dynamically balanced for increased stroke applications

• Compatible with stock pistons in most configurations

• Ideal for pairing with Cylinder Works Big Bore cylinders for maximum gains

Fits,
Yamaha YFM660R Raptor 2001
Yamaha YFM660R Raptor 2002
Yamaha YFM660R Raptor 2003
Yamaha YFM660R Raptor 2004
Yamaha YFM660R Raptor 2005