FIRE POWER MX-55813-4 Front Chain Sprocket Steel 13T for Yamaha YZ85

The FIRE POWER MX-55813-4 front chain sprocket is engineered for durability and performance on Yamaha YZ85 models from 2002 to 2011. Crafted from nickel-chromium steel, the sprocket features a hardened case that provides excellent resistance to wear and impact, ensuring longevity even in demanding riding conditions. Its ultra-lightweight design allows for improved handling and acceleration without sacrificing strength, making it an ideal upgrade for competitive or recreational riders. Precision CNC machining ensures tight tolerances for a perfect fit and smooth operation, reducing mechanical noise and enhancing overall drivetrain efficiency. When applicable, the sprocket includes self-cleaning mud grooves that help prevent debris buildup, maintaining optimal performance in muddy or dusty terrains.

Features:

• Nickel-Chromium steel construction with hardened case for wear resistance

• Ultra-lightweight design enhances handling while maintaining maximum strength

• Precision CNC machined for extremely close tolerances and smooth fit

• Self-cleaning mud grooves (where applicable) to prevent debris accumulation

Fits,
Yamaha YZ85 2002
Yamaha YZ85 2003
Yamaha YZ85 2004
Yamaha YZ85 2005
Yamaha YZ85 2006
Yamaha YZ85 2007
Yamaha YZ85 2008
Yamaha YZ85 2009
Yamaha YZ85 2010
Yamaha YZ85 2011
Yamaha YZ85 2012
Yamaha YZ85 2013
Yamaha YZ85 2014
Yamaha YZ85 2015
Yamaha YZ85 2016
Yamaha YZ85 2017
Yamaha YZ85 2018
Yamaha YZ85 2019
Yamaha YZ85 2020
Yamaha YZ85 2021
Yamaha YZ85 2022
Yamaha YZ85 2023