The Pro Circuit Fuel Mixture Screw Was Designed to Make Quick and Easy Adjustments. The Knob Is Easy to Grab and Adjust Even With Your Gloves On!

The Under-The-Float-Bowl Location of the Fuel Screw Makes It Next to Impossible to Reach.
Pro Circuits Fuel Mixture Screw Can Be Turned by Hand (Without the Use of Tools).
Includes O-Ring (Spring Not Included).

Fits the Following Honda, Kawasaki, KTM, Suzuki and Yamaha Models:CRF250R, CRF250X 04-09
CRF450R 02-08
CRF450X 02-09
KX250F 04-09
KTM 450, 525 4-Strokes With FCR Carbs 03-09
RM-Z250 04-09
YZ250F, WR250F 01-09
YZ426F, WR426F 00-02
YZ450F, WR450F 03-09
Please Note: The Image Displayed Is Representative of the Item, but May Vary Slightly Depending on Your Specific Model.