Rotax Micro MAX Engine for Cadet Kart Racing
The Rotax 125 Micro MAX Evo MY20 engine is a proven and highly respected power unit designed specifically for young drivers entering competitive kart racing. Developed with safety, reliability, and drivability in mind, this engine provides the ideal balance between performance and control, allowing cadet drivers to build confidence while learning proper racing techniques.
With approximately 9.5 horsepower and strong torque characteristics, this engine delivers smooth acceleration and forgiving throttle response. This makes it particularly suitable for drivers aged between 8 and 11 years who are transitioning from beginner karting programs into structured racing environments. The predictable power delivery helps reduce driving mistakes while encouraging proper race craft development.
The water-cooled design ensures consistent operating temperatures even in demanding hot climate conditions such as those experienced across karting circuits in the UAE. Combined with Rotax’s engineering reliability and high manufacturing standards, this engine offers long service intervals and excellent durability throughout a full racing season.
The Rotax Micro MAX engine is CIK-FIA homologated and widely used in national and international karting championships. Its standardized performance concept ensures fair competition while keeping operational costs under control for teams and families. This makes it one of the most popular cadet racing engines globally.
Installation is straightforward thanks to the complete power pack concept. All key components are designed to work seamlessly together, ensuring optimal performance and simplified maintenance procedures. Whether used for training, leisure racing, or championship participation, this engine package represents a strong foundation for young drivers starting their motorsport journey.
What is Included in the Engine Package
- Rotax 125 Micro MAX Evo MY20 engine unit
- Intake silencer
- Carburetor
- Fuel pump
- Complete exhaust system
- Radiator and cooling components
- Battery box with cover
- Wiring harness
- ON OFF START switch
- Relay
- Engine mounting accessories
Technical Specifications
- Engine Type: Single cylinder 2-stroke
- Displacement: 125cc class cadet engine
- Maximum Power: 7 kW 9.5 hp at 7000 rpm
- Maximum Torque: Approx. 10.8 Nm at 6000 rpm
- Cooling System: Water-cooled
- Starting System: Electric start
- Clutch Type: Centrifugal dry clutch
- Carburetor: Diaphragm type
- Engine Weight: Approx. 11.8 kg bare engine
- Complete Power Pack Weight: Approx. 21.5 kg
- Special Features: Restricted exhaust socket and inlet restrictor
- Chassis Compatibility: Cadet chassis with 950 mm wheelbase
Explore our karting programs and race support services through XELAR Motorsport.
Drivers interested in testing can book a session through our kart testing program
All karting safety equipment must comply with FIA homologation standards.





