The Rotax Max Evo 125 Engine is a two-stroke 125 cc (7.6 cu in) engine designed by Rotax, part of Bombardier Recreational Products (BRP), to provide low cost, but high speed kart racing.
Built in Austria, the engine is liquid cooled, equipped with a balance shaft, integrated water pump, electric starter and centrifugal clutch. Its combination of onboard electric starter and centrifugal clutch simplifies its operation
Variants of the Rotax Max Evo range:
125 MAX EVOÂ configuration:
- 22Â kW (30Â hp) at 11,500Â rpm
- Maximum rpm 14,000 rpm.
- recommended as of 16 years
- has a cylinder with exhaust valve
125 Junior MAXÂ configuration:
- 17Â kW (23Â hp) at 8,500Â rpm
- Maxiumum rpm 14,000 rpm
- recommended for juniors from 13 to 16 years
- has a cylinder without exhaust valve
125 MAX DD2Â engine configuration:
- 25Â kW (34Â hp) at 11,750Â rpm
- Maximum rpm 14,000 rpm
- recommended as of 16 years
- has a two-speed gearbox operated by shift paddle from the steering wheel, and a chainless drive system
Rotax 125 Max - Junior - Specs
Age Range | 13 - 16 Years |
Race Class | National/International |
Maximum Performance | 15 kW / 20.4hp at 8500 rpm |
Maximum Torque | 17 Nm at 8500 RPM |
Weight | Bare Engine: 11.80kg / 26.0lbs With Power Pack: 23.6kg / 58.6lbs |
Features | Junior cylinder with without exhaust valve |
Power Pack | silencer, carburetor, fuel pump, engine, exhaust system, radiator, battery, battery box, cable harness, start button, ON/OFF switch |
Rotax 125 Max - Senior - Specs
Age Range | 15+ Years |
Race Class | National/International |
Maximum Performance | 21 kW / 28.5hp at 11500 rpm |
Maximum Torque | 21 Nm at 8750 RPM |
Weight | Bare Engine: 12.00kg / 26.5lbs With Power Pack: 23.6kg / 58.6lbs |
Features | Cylinder with pneumatic timed exhaust valve |
Power Pack | silencer, carburetor, fuel pump, engine, exhaust system, radiator, battery, battery box, cable harness, start button, ON/OFF switch |