Rotax 125 Max
- Single cylinder, two-stroke reed valve
- Bore / stroke: 54.0mm x 54.5mm
- Displacement: 124.8cc
- Max Performance: 21kW / 28.5 hp at 11,500 rpm
- Max Torque: 21Nm at 8,750 rpm
- Weight: Bare Engine: 12.0kg / 26.5 lbs With Complete Power Pack: 23.6kg / 58.6 lbs
- Special Features: Cylinder with pneumatic adjustable exhaust valve
- Power Pack: Silencer, Carburetor, Fuel Pump, Exhaust System, Radiator, Battery w/ Battery Box, Cable Harness, Start Button, On/Off Switch
- Chassis Compatibility: Wheel base up to 1,050mm
Rotax 125 Max DD2
- Single cylinder, two-stroke reed valve
- Bore / stroke: 54.0mm x 54.5mm
- Displacement: 124.8cc
- Max Performance: 24kW / 32.6 hp at 11,750 rpm
- Max Torque: 20Nm at 10,500 rpm
- Weight: Bare Engine: 16.8kg / 37.0 lbs With Complete Power Pack: 29.2kg / 64.4 lbs
- Special Features: Chainless drive system, 2-speed gearbox operated by shift paddles from the steering wheel
- Power Pack: Silencer, Carburetor, Fuel Pump, Exhaust System, Radiator, Battery w/ Battery Box, Cable Harness, Start Button, On/Off Switch
- Chassis Compatibility: Wheel base up to 1,050mm
Rotax 125 Junior Max
- Single cylinder, two-stroke reed valve
- Bore / stroke: 54.0mm x 54.5mm
- Displacement: 124.8cc
- Max Performance: 15kW / 20.4 hp at 8,500 rpm
- Max Torque: 17Nm at 8,500 rpm
- Weight: Bare Engine: 11.8kg / 26.0 lbs With Complete Power Pack: 23.4kg / 51.6 lbs
- Special Features: Junior Cylinder without exhaust valve
- Power Pack: Silencer, Carburetor, Fuel Pump, Exhaust System, Radiator, Battery w/ Battery Box, Cable Harness, Start Button, On/Off Switch
- Chassis Compatibility: Wheel base from 950mm to 1,050mm
Rotax 125 Mini Max
- Single cylinder, two-stroke reed valve
- Bore / stroke: 54.0mm x 54.5mm
- Displacement: 124.8cc
- Max Performance: 10kW / 13.6 hp at 8,500 rpm
- Max Torque: 12Nm at 7,500 rpm
- Weight: Bare Engine: 11.8kg / 26.0 lbs With Complete Power Pack: 23.6kg / 52.0 lbs
- Special Features: Junior Cylinder without exhaust valve, Restrictors in intake manifold and exhaust socket
- Power Pack: Silencer, Carburetor, Fuel Pump, Exhaust System, Radiator, Battery w/ Battery Box, Cable Harness, Start Button, On/Off Switch
- Chassis Compatibility: Wheel base from 900mm to 1,050mm
Rotax 125 Micro Max
- Single cylinder, two-stroke reed valve
- Bore / stroke: 54.0mm x 54.5mm
- Displacement: 124.8cc
- Max Performance: 5kW / 6.8 hp at 6,500 rpm
- Max Torque: 8Nm at 5,500 rpm
- Weight: Bare Engine: 11.8kg / 26.0 lbs With Complete Power Pack: 21.6kg / 47.6 lbs
- Special Features: Junior Cylinder without exhaust valve, Radiator and exhaust that fit special kids chassis
- Power Pack: Silencer, Carburetor, Fuel Pump, Exhaust System, Radiator, Battery w/ Battery Box, Cable Harness, Start Button, On/Off Switch
- Chassis Compatibility: Wheel base from 780mm to 1,050mm
