Technical Specifications

Age 14+ years
Race Class National/International
Maximum Performance 22 kW / 30 hp at 11,500 rpm
Maximum Torque 21 Nm at 9,000 rpm
Weight Bare engine: 12.0 kg / 26.5 lbs
With complete power pack:
23.1 kg / 51.0 lbs
Special Features Cylinder with electronically controlled
exhaust valve
Power Pack Intake silencer, carburetor, fuel pump,
engine, exhaust system, radiator, battery,
battery box incl. cover, cable harness,
OFF/ON/START switch, relay
Chassis Compatibility Wheel base up to 1,050 mm


The 125 MAX evo engine is the next generation to the original MAX engine that started it all. Many consider this to be the premier class in MAX Challenge competition. This same engine is used for two classes, Senior MAX for drivers 14 years-of-age and older, and MAX Masters for drivers 32 years-of-age and older.