($493) significantly improves front-end stability under hard acceleration. K-Tech Suspension Internals
allows for a complete visual upgrade to the 2020+ style for earlier models. Chassis & Protection 2020 Yamaha YZF-R1/R1M V3.5
A popular fuel tuner ($404) that optimizes the air/fuel ratio without permanently altering the ECU. Aerodynamics & Bodywork 2020 Yamaha YZF-R1/R1M V3.5