Tusk Aluminum Throttle Tube.  Fits YAMAHA YZ125, YZ250, And YZ250X Models From 1997-2017.

The Tusk Aluminum Throttle Tube is a great OEM replacement throttle tube that is much stronger than stock motorcycle throttle tubes. Constructed of a 6061 T6 aluminum for maximum durability. The inner diameter of the tube has a polished finish for reduced drag and a smooth operation. The outside of the throttle tube is knurled for optimal grip surface. When looking for parts for your motorcycle, ATV, and UTV think Tusk!
• Aluminum motorcycle throttle tube to replace plastic your OEM throttle tube.
• Constructed of a 6061 T6 aluminum for maximum durability.
• Polished inner surface for reduced drag to ensure smooth action.
• Knurled outer surface to allow the grip to stick.
• Does not work with wrap-around handguards with bar-end inserts.