Hot Rods Stroker Crankshaft for Yamaha YZ450F (2006-2009)

Upgrade your Yamaha YZ450F with the Hot Rods Stroker Crankshaft, part number 4174, designed to deliver increased power and performance. This crankshaft is a premier alternative to costly OEM parts, offering a high-quality, factory-assembled component that is ready for installation. It features the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs, ensuring reliability and durability. Each crankshaft is fully assembled and trued to OEM specifications, providing a seamless fit and superior performance that meets or exceeds OEM standards. Constructed with precision, Hot Rods crankshafts are fully rebuildable with genuine Hot Rods connecting rods and bearings, making maintenance straightforward and cost-effective. The gears are manufactured to DIN Class 9 or higher, ensuring high durability and smooth operation. This standard crankshaft is an excellent upgrade for your motorcycle, offering improved longevity and performance. The Hot Rods Stroker Crankshaft also features increased stroke capabilities, resulting in greater displacement and horsepower. These stroker cranks serve as drop-in replacements requiring no modifications for most applications. CNC machined and dynamically balanced, they are optimized for the increased stroke, ensuring smooth operation and reliable performance. Compatible with stock pistons in most cases, these crankshafts can be paired with Cylinder Works Big Bore cylinders to significantly boost displacement and horsepower. Whether you're looking to improve overall engine output or build a more competitive machine, the Hot Rods Stroker Crankshaft is an ideal choice for Yamaha YZ450F models from 2006 to 2009, combining quality, performance, and ease of installation.

Features:

• Crankshafts designed for durability and performance

• Premier alternative to OEM crankshafts, offering cost savings

• Sold complete with proven Hot Rods connecting rods, top end bearings, and crankshaft webs

• Factory assembled and trued to OEM specifications, ensuring precise fit and function

• Fully rebuildable with genuine Hot Rods components for maintenance flexibility

• Gears manufactured at DIN Class 9 or higher for enhanced durability

• Includes all features of standard crankshafts with added benefits

• Increased stroke for higher displacement and horsepower

• Drop-in replacement requiring no modifications in most applications

• CNC machined and dynamically balanced for reliable operation with increased stroke

• Compatible with stock pistons in most cases, enabling easy upgrades

• Designed to be paired with Cylinder Works Big Bore cylinders for substantial power gains

Fits,
Yamaha YZ450F 2006
Yamaha YZ450F 2007
Yamaha YZ450F 2008
Yamaha YZ450F 2009