AXLE REAR +2″ OVERSIZED 38.00″ YAMAHA 04-09 YFZ 450 AT-03773-1 5TG-25381-00-00

This +2″ oversize rear axle is designed for Yamaha YFZ450 models, offering an additional 1 inch of width on each side to improve stability. Constructed from heat-treated steel, it delivers durability and strength while maintaining compatibility with most stock components. The axle is specifically designed to accept castle nuts from 2004–2005 models. Measurements are approximate and intended for reference.

Features

• +2″ oversize axle provides an additional 1 inch on each side

• Made from heat-treated steel for durability

• Compatible with most stock components (excluding castle nuts)

• Accepts castle nuts from 2004–2005 models

Specifications

• Axle length: 38 inches / 971.2 mm (approximate)

Cross-Reference OEM Part Numbers

• 90171-14037-00

• AT-03773-1

• 5TG-25381-00-00

Vehicle Fitments

• 2004–2008 Yamaha YFZ450

• 2004 Yamaha YFZ450LE Limited Edition

• 2005 Yamaha YFZ450SE Special Edition

• 2006 Yamaha YFZ450BB Bill Ballance Edition

• 2006 Yamaha YFZ450SP 50th Anniversary Edition

• 2007 Yamaha YFZ450BB Bill Ballance Edition

• 2007 Yamaha YFZ450SE Special Edition

• 2007 Yamaha YFZ450SE2 Special Edition 2

• 2008 Yamaha YFZ450SP Special Edition

• 2008 Yamaha YFZ450SP2 Special Edition 2

• 2009–2018 Yamaha YFZ450RSE Special Edition

• 2010 Yamaha YFZ450XBB Bill Ballance Edition

• 2013 Yamaha YFZ450

• 2017–2018 Yamaha YFZ50