Overview
- Yamaha officially announced the YZR-M1 will adopt a V4 engine for the 2026 MotoGP season.
- The Valencia Grand Prix weekend marks the final outing for Yamaha’s inline-four in MotoGP.
- Fabio Quartararo, Alex Rins, Toprak Razgatlioglu and Jack Miller will ride the V4 in Tuesday’s post-race test at Valencia.
- The V4 program progressed through months of private running and wildcard outings by test rider Augusto Fernandez at Misano, Sepang and Valencia with an updated frame.
- Yamaha expects gains in acceleration, braking stability and tyre/aero integration from the 1000cc V4, which is set for one season before 850cc rules arrive in 2027, as early rider feedback remains mixed.