In 2027, MotoGP will enter a new era by transitioning from the current 1000cc engines to 850cc power units. This shift is designed to reduce top speeds (enhancing safety) and improve efficiency as part of a broader push for sustainability.
All current manufacturers have agreed to these regulations, and several have already begun on-track testing as of late 2025.
Current 850cc Manufacturers & Their Progress
The five existing manufacturers are confirmed for the 2027 era. Here is their status as they develop their new prototypes:
Note on Potential Newcomers: There has been significant speculation regarding BMW joining the grid for 2027 to coincide with these new regulations, though no official entry has been confirmed yet.
Key Technical Changes (2027 Era)
The engine downsize is only one part of the “2027 Revolution.” To ensure the bikes remain competitive but safer, the following rules will also apply:
Bore Size: Reduced from 81mm to 75mm, limiting the maximum power potential of the 850cc units.
Fuel: All bikes must run on 100% sustainable fuel (non-fossil origin).
Aero Reduction: Fairings will be narrower and the “aero-war” gadgets will be scaled back to reduce turbulent wake and encourage overtaking.
Ride-Height Devices: All ride-height and “holeshot” devices (which lower the bike for better starts/acceleration) will be completely banned.
Tires: Pirelli is set to replace Michelin as the official tire supplier, which will drastically change how the new 850cc chassis are designed.
Source
Official MotoGP Website (News)
Motorsport.com (MotoGP Section)
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