Load video: KartSim software render of an IAME X30 Junior racing kart — 125 cc water-cooled 2-stroke with electric start, centrifugal clutch and Tillotson HW-series carb; exhaust restrictor spec for Junior class (approx. 12–14 yrs), single rear hydraulic brake, side-mounted radiator and battery, 5-inch slick tyres on magnesium rims, full Nassau/side pods/rear bumper, adjustable seat/pedal position and data-logger dash on a full-size junior/senior chassis

IAME Junior X30 UK

Engine | 125cc, 2-stroke, single cylinder

Power Output | Approx. 28–30 HP

Max RPM |16,000

IAME Junior X30 UK is a junior karting class for drivers aged 11 to 17, featuring the renowned IAME X30 125cc engine in a configuration tailored for younger competitors. This class strikes a strong balance between performance, tunability, and driver development, making it one of the most competitive and respected junior categories in the UK. With a focus on developing racecraft, technical understanding, and high-speed driving, the Junior X30 is a natural stepping stone for those progressing from cadet or restricted classes and looking toward senior-level competition. It is also a mainstay of the British Kart Championships and other top-tier national events, drawing some of the UK’s most promising young talent. Available in KartSim Pro UK Software, the Junior X30 class is digitally recreated with realistic engine dynamics and chassis handling, allowing drivers to train, test setups, and race virtually with the same performance characteristics as on track.

  • Front-facing view of the KartSim Junior X30 UK kart mid-corner, showing aggressive racing stance and detailed bodywork in the simulation.
  • In-game side view close-up of the KartSim Junior X30 UK kart, showcasing the engine, radiator, and exhaust detail from the right-hand side.
  • KartSim Junior X30 UK simulated kart shown mid-corner from a full side profile, with realistic bodywork, livery, and driver position.
  • Wide angle shot of the KartSim Junior X30 UK kart taking a corner on a realistic circuit, with natural trackside scenery in the background.