Full details of MotoGP’s 2027 technical regulation changes

Headlined by the switch from 1000cc engines to 850cc motors, the 2027 regulations will also include a stripping back of aerodynamics.

Ride height devices will also be banned, while there have been smaller tweaks to things such as fuel tank capacity and the concessions system.

Full 2027 MotoGP technical regulations breakdown

• MotoGP class engine displacement will reduce from 1000cc to 850cc. The maximum cylinder bore will reduce from 81mm to 75mm. Engines will be four cylinders and remain four-stroke only.
• Manufacturers that have raced in 2026 will start the 2027 season in Rank B. Rankings will be revised at the mid-season checkpoint in 2027, based on the first part of the 2027 season results only – 2026 results, before the regulation changes, won’t be counted. The regular ranking system will resume at the end-season checkpoint at the end of 2027. Any manufacturers who have not raced in 2026 will start 2027 season in Rank D. Their rankings will also be revised at the mid-season checkpoint in 2027, based on the first half of the 2027 season.
• The number of engines available for use by each permanent contracted rider will reduce to six engines per season up to a 20-race calendar, or seven engines per if calendar is 21 or 22 rounds.
• Manufacturers in Concessions Rank D will continue to be able to use two additional engines per rider per season.
• GPS data from all riders will be made available to all teams at the end of each session.
• In the MotoGP class the total number of gearbox ratios (pairs of gears) permitted will reduce to 16, plus four different overall ratios for the primary drive, for each season.
• The minimum bike weight in the MotoGP class will be 153kg, down from 157kg.
• No ride height devices of any kind will be permitted, including holeshot devices activated solely for race starts.
• Fuel tank capacity will be reduced to 20 litres for grands prix and a maximum of 11 litres for the sprint.
• The maximum permitted width of the high portion of the front fairing aero body will reduce from 600mm to 550mm, the maximum rear end height will reduce from 1250mm to1150mm, the foremost point of the front fairing (nose) will be moved back by 50mm, and the rearward taper of the front fairing aero appendices will also narrow. Any aero behind the rider must be homologated as part of the aero body. Manufacturers will be permitted to make one update per season.
• The use of 100% non-fossil origin fuel is confirmed from 2027. The FIM,…