Junior Championship Classes

Cadet ROK

CLICK HERE to go to the Vortex ROK Pages

  • Drivers aged 6 years and under 11 years.
  • Special Cadet chassis which is a smaller version of larger chassis
  • Vortex Kiwi Mini ROK engine to KartSport New Zealand specs. 
  • Restricted exhaust header
  • 11,000 rpm limiter 
  • Minimum weight of kart and driver 98kg
  • Pump petrol only
  • Motul Grand Prix 2T oil only
  • Front wheel brakes not permitted
  • Original Vortex clutch compulsory
  • KartSport New Zealand contracted tyres only
  • The purpose of this class is to teach young people to drive karts of restricted performance in a competitive but controlled manner.
  • The Vortex Kiwi Mini ROK engine can be very easily converted from Cadet ROK spec to Vortex Mini ROK spec (and vice versa).

Vortex Mini ROK

CLICK HERE to go to the Vortex ROK Pages

  • Drivers aged 9 years and under 13 years.
  • Chassis to KartSport New Zealand specs
  • Vortex Kiwi Mini ROK engine to KartSport New Zealand specs.
  • Unrestricted exhaust header
  • 14,000 rpm limiter
  • Original Vortex clutch compulsory
  • Minimum weight of kart and driver 120kg
  • Pump petrol only
  • Motul Grand Prix 2T oil only
  • Front wheel brakes not permitted
  • KartSport New Zealand contracted tyres only
  • The purpose of this class is a stepping stone between Cadets and Juniors.
  • The Vortex Kiwi Mini ROK engine can be very easily converted from Vortex Mini ROK spec to Cadet ROK spec (and vice versa).

Junior 100cc Yamaha

  • Drivers aged 12 years and under 17 years
  • Chassis to KartSport New Zealand specs
  • Yamaha KT100 piston port 100cc 2 stroke engine to KartSport New Zealand specs
  • Limited slip clutch optional
  • Full size muffler
  • Minimum weight of kart and driver 133kg
  • Pump petrol only
  • Front wheel brakes not permitted
  • KartSport New Zealand contracted tyres only
  • Junior class for all competition in NZ from Club meetings to championship events.

125cc Rotax Max Junior

  • Drivers aged 12 years and under 17 years
  • Chassis to KartSport New Zealand specs
  • Eligible engine is the Rotax FR125 Max Junior
  • Minimum weight of kart and driver 145kg
  • Original Rotax clutch only
  • Pump petrol only
  • KartSport New Zealand contracted tyres only
  • This is a spec touch and go (TAG) engine class for top competitors in New Zealand. Also run at rounds of the NZ Rotax Max Challenge Series.

 

 
KartSport New Zealand