Description
A worn or damaged chain guide compromises power delivery and risks catastrophic chain failure mid-ride. The UFO Chain Guide for Yamaha YZ250F/400F/426F/450F replaces your OEM component with durable polyurethane construction designed to withstand the demands of competitive and recreational riding. This bolt-on upgrade keeps your chain perfectly aligned under acceleration, braking, and side-load conditions—eliminating slack, noise, and premature wear.
- Fitment: Yamaha YZ250F/400F/426F/450F
- Material: Long-wearing polyurethane
- Installation: Bolt-on replacement
- OEM replacement part
- Part number: YA03871-001
- Color: Black
