Hot Rods Crankshaft Part #4138 for Yamaha YZ250X and YZ250 Models

Upgrade your Yamaha YZ250 engine with the Hot Rods Part #4138 crankshaft, designed for durability and performance. This crankshaft is a premier alternative to costly OEM components, offering a reliable solution for motorcycle enthusiasts seeking enhanced engine longevity and power. It is sold complete and ready for installation, featuring the original proven Hot Rods connecting rods, top-end bearings, and crankshaft webs. Each crankshaft is factory assembled and trued to OEM specifications, ensuring it meets or exceeds the performance and durability standards of the original equipment.
Constructed with precision, Hot Rods crankshafts are fully rebuildable using genuine Hot Rods connecting rods and bearings. The gears are manufactured to a DIN Class 9 or higher quality level, providing smooth operation and long-lasting reliability. Additionally, this model includes a stroker option, which offers increased stroke for greater displacement and horsepower. The CNC-machined and dynamically balanced design allows for a drop-in replacement that generally requires no modifications, making installation straightforward.
This crankshaft uses the stock piston in most applications and can be paired with Cylinder Works Big Bore cylinders to achieve significant displacement and horsepower gains. It is ideal for riders looking to boost their Yamaha YZ250's performance without extensive engine modifications, whether for racing or recreational riding. The Hot Rods part #4138 crankshaft is engineered to meet the demands of high-performance motorcycle engines, ensuring enhanced power delivery and engine efficiency for years of reliable service.

Features:

• Crankshafts designed for durability and performance

• Premier alternative to costly OEM crankshafts

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

• Factory assembled and trued to OEM specifications, meeting or exceeding OEM standards

• Fully rebuildable with genuine Hot Rods components

• Gears manufactured to DIN Class 9 or higher quality

• Includes features of standard crankshafts with increased stroke for more 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 additional gains

Fits,
Yamaha YZ250 2003
Yamaha YZ250 2004
Yamaha YZ250 2005
Yamaha YZ250 2006
Yamaha YZ250 2007
Yamaha YZ250 2008
Yamaha YZ250 2009
Yamaha YZ250 2010
Yamaha YZ250 2011
Yamaha YZ250 2012
Yamaha YZ250 2013
Yamaha YZ250 2014
Yamaha YZ250 2015
Yamaha YZ250 2016
Yamaha YZ250 2017
Yamaha YZ250 2018
Yamaha YZ250 2019
Yamaha YZ250 2020
Yamaha YZ250 2021
Yamaha YZ250 2022
Yamaha YZ250X 2016
Yamaha YZ250X 2017
Yamaha YZ250X 2018
Yamaha YZ250X 2019
Yamaha YZ250X 2020
Yamaha YZ250X 2021
Yamaha YZ250X 2022