MOOSE RACING Fuel Mixture Screw by Zip-Ty - Black FMS01-BK Dual Cut Slip-On Mufflers 2019-2023 Yamaha YZ 250 F

2019-2023 Yamaha YZ 250 F - - 2018-2023 Yamaha YZ 450 F

Does not include oil seals or formed rubber valve cover gaskets

12-point hex and low profile for tight access

Greatly enhance your ability to see and be seen

MOOSE RACING Fuel Mixture Screw by Zip-Ty - Black FMS01-BK Dual Cut Slip-On Mufflers 2019-2023 Yamaha YZ 250 F7075 T 7 aluminum construction and re designed pin taper set this screw apart from the competition The inventor of the easy adjust fuel screw and Moose Racing brings you this needed accessory Adjust your carb for better off idle acceleration with just your fingers Includes O ring, washer, and heavy duty spring Fits Keihin FCR carbs on modern machines Made in the U. S. A.