Precision-machined 6061 billet aluminum. Allows for easy fuel mixture adjustment.
*This accessory may be restricted to closed-course use. This accessory affects emissions; installation on EPA-regulated 2006 or later models constitutes unlawful tampering except when used solely for closed-course competition. This performance accessory does not meet California standards for off-road recreational vehicle usage.
- Fits '01-'06 YZ250F/YZ450F and '04-'06 YFZ450