Hot Rods Stroker Crankshaft for Yamaha YFZ450 - Part 4173

Upgrade your Yamaha YFZ450 with the Hot Rods Stroker Crankshaft (Part 4173), designed to deliver increased performance and reliability. This crankshaft is a premier alternative to costly OEM parts, offering a complete assembly with the original proven Hot Rods connecting rods, top end bearings, and crankshaft webs. Factory assembled and precisely trued to OEM specifications, it ensures that your ATV maintains factory-level performance while exceeding durability standards. The fully rebuildable design allows for future maintenance with genuine Hot Rods connecting rods and bearings, making it a long-lasting investment for enthusiasts seeking enhanced power and longevity.
Constructed with high-quality gears conforming to DIN Class 9 standards or higher, this crankshaft guarantees smooth operation and durability. The Hot Rods Stroker Crankshaft features increased stroke, resulting in increased displacement and horsepower, which translates into more power for your Yamaha YFZ450. It is a drop-in replacement that requires no modifications in most applications, simplifying installation. CNC machined and dynamically balanced to accommodate the increased stroke, this crankshaft can often utilize stock pistons, making it versatile for various build configurations. When paired with Cylinder Works Big Bore cylinders, this crankshaft can significantly boost your ATV’s displacement and horsepower, providing a substantial performance upgrade for racing or recreational riding.
Designed specifically for Yamaha YFZ450 models from 2004 to 2013, including SE variants, this product ensures a perfect fit and reliable operation. Whether you're restoring your ATV or seeking to improve its performance, the Hot Rods Stroker Crankshaft offers a high-quality, durable solution that enhances engine power while maintaining factory standards of quality and precision.

Features:

• Crankshafts designed for Yamaha YFZ450 models from 2004-2013

• Premier alternative to costly OEM crankshaft with complete assembly

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

• Factory assembled and trued to OEM specifications for reliable performance

• Fully rebuildable with genuine Hot Rods components for long-term durability

• Gears manufactured at DIN Class 9 or higher for smooth operation

• Stroker crankshaft with increased stroke for higher displacement and horsepower

• Drop-in replacement requiring no modifications in most applications

• CNC machined and dynamically balanced for increased stroke and performance

• Compatible with stock pistons in most applications

• Ideal for pairing with Cylinder Works Big Bore cylinders to maximize displacement and power

Fits,
Yamaha YFZ450 2004
Yamaha YFZ450 2005
Yamaha YFZ450 2006
Yamaha YFZ450 2007
Yamaha YFZ450 2008
Yamaha YFZ450 2009
Yamaha YFZ450 2012
Yamaha YFZ450 2013
Yamaha YFZ450 Bill Balance Edition 2006
Yamaha YFZ450 Bill Balance Edition 2007
Yamaha YFZ450 SE 2007
Yamaha YFZ450 SE 2008