Big changes coming to MOTO GP

[78jotadave]

MotoGP Engine Size Change in 2027
Yes — MotoGP will reduce engine capacity from 1000cc to 850cc starting in 2027, marking one of the most significant technical changes in the sport’s modern history

Key Details of the Change​

• Displacement: Drops from 1000cc to 850cc.
• Maximum bore: Reduced from 81mm to 75mm
• Cylinders: Still limited to 4-stroke, 4-cylinder units.
• Fuel: 100% sustainable fuel, with tank capacity reduced from 22 litres to 20 litres MotoGPNews+1.
• Engine limits: Riders allowed a maximum of 6 engines per season (down from 7)

Purpose of the Reduction​

MotoGP officials say the change aims to:

• Lower top speeds for improved safety MotoGPNews+1.
• Reduce reliance on extreme aerodynamics, making racing closer and more overtaking-friendly Naked Racer Moto Co+1.
• Increase road relevance of the bikes, as smaller engines are more similar to production motorcycles Crash.Net.
• Promote efficiency and sustainability through smaller displacement and sustainable fuel use Naked Racer Moto Co+1.

Impact on Racing​

• Performance: Power will be slightly trimmed, shifting the balance toward rider skill, tyre management, and chassis performance
• Aerodynamics: Front fairing width reduced by 50mm, nose moved back 50mm, and rear aero is homologated to limit changes
• Ride-height/hole-shot devices: Banned entirely to remove artificial launch advantages
• Data sharing: GPS data from all riders will be available to all teams after each session

In short, the 2027 MotoGP engine size cut is part of a broader technical reset designed to make the sport safer, more sustainable, and more spectator-friendly, while keeping the bikes exciting and competitive.