KOSO NORTH AMERICA Wideband Air/Fuel Ratio Meter BA004068 Regent-X Solid Helmet Sounds reducing insert included in

Sounds reducing insert included in kit (USDF/USDA approved spark arrester

Designed to increase horsepower and torque

saving weight and streamlining looks (will require custom bolt on point for this model)

2020-2023 Yamaha YZ 125 X - - 2016-2023 Yamaha YZ 250 X - - 2016-2023 Yamaha YZ 450 FX - - 2015-2023 Yamaha YZ 250 - - 2015-2023 Yamaha YZ 250 FX - - 2015-2023 Yamaha YZ 125 - - 2010-2023 Yamaha YZ 250 F - - 2010-2022 Yamaha YZ 450 F

80% Cotton/20% Polyester mid-weight fleece

KOSO NORTH AMERICA Wideband Air/Fuel Ratio Meter BA004068 Regent-X Solid Helmet Sounds reducing insert included inHighly visible, backlit digital display Allows more precise tuning Programmable warning alerts rider of too lean or too rich ratio Displays ratio between 10. 0 24. 0 Includes Bosch O sensor, sensor bung, sensor bung cap and gauge bracket Recommended for use with 4 stroke engines; for 2 stroke applications, use O adapter PART #1861 0524 Requires a DC 12 V battery; will not function with AC DC converter