KOSO NORTH AMERICA Wideband Air/Fuel Ratio Meter BA004068 Regent-X Solid Helmet oversized K&N high flow air

oversized K&N high flow air filter equals longer life

Developed through Graves Motorsports racing programs for the Yamaha R1 race and endurance bikes

Feature advanced acoustical tuning technologies for a deep rumbling sound Come with 3" cores encased in proprietary Cobra sound tuning materials with specific acoustical dampening and thermal insulation properties The frequency and location of the perforation patterns in the high-flo cores creates significant sound scattering in the mid frequencies

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

KOSO NORTH AMERICA Wideband Air/Fuel Ratio Meter BA004068 Regent-X Solid Helmet oversized K&N high flow airHighly 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