SENIOR CHAMPIONSHIP CLASSES

VORTEX ROK DVS

  • Competitors aged in the calendar year of their 15th birthday and over. 
  • Chassis to KartSport New Zealand specs 
  • Vortex ROK DVS  125cc 2 stroke engine to KartSport New Zealand specs 
  • Full size muffler 
  • Direct drive with a decompression valve for starting.
  • Minimum weight of kart and driver 163kg 
  • Pump petrol only 
  • Motul Grand Prix 2T oil only
  • Front-wheel brakes not permitted 
  • KartSport New Zealand contracted tyres only
  • This is a Senior class for national competition in NZ. 

KZ2

  • Competitors aged in the calendar year of their 15th birthday and over. 
  • Chassis to KartSport New Zealand specs or CIK homologated 
  • 125cc reed valve engine as homologated by the CIK for the KZ2 class with the homologated gearbox ratios, homologated exhaust and a CIK homologated inlet silencer for the respective engine. 
  • Minimum weight of kart and driver 175kg 
  • Side pods, nose cone and front console bodywork compulsory 
  • Pump petrol only 
  • Dry tyres: KartSport New Zealand contracted tyres only 
  • Wet Tyres: CIK homologated tyres as per the KartSport New Zealand tyre list.
  • This is the Senior International gearbox class. 

125CC ROTAX MAX LIGHT

  • Competitors aged in the calendar year of their 15th birthday and over.
  • Chassis to KartSport New Zealand specs 
  • Bombardier Rotax FR125 MAX engine to KartSport New Zealand specs 
  • Minimum weight of kart and driver 165kg 
  • Front wheel brakes not permitted 
  • Nose cones and side pods compulsory 
  • Pump petrol only 
  • KartSport New Zealand contracted tyres only
  • This is a 125cc non gearbox 'keystart' class for national racing in NZ. 

125CC ROTAX MAX HEAVY

  • Competitors aged in the calendar year of their 15th birthday and over. 
  • Chassis to KartSport New Zealand specs 
  • Bombardier Rotax FR125 MAX engine to KartSport New Zealand specs 
  • Minimum weight of kart and driver 185kg 
  • Front wheel brakes not permitted 
  • Nose cones and side pods compulsory 
  • Pump petrol only 
  • KartSport New Zealand contracted tyres only
  • This is a 125cc non gearbox 'keystart' class for heavier competitors racing in NZ.  

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ROTAX DD2

  • Competitors aged in the calendar year of their 15th birthday and over. 
  • Eligible engine: Bombardier Rotax 125 Max DD2 to KartSport New Zealand specs.
  • MAW 173kg.
  • Clutch:  Obligatory Must be original Rotax clutch (Rule M2)
  • Fuel: Pump petrol (Rule L4.1)
  • Tyre restricted class: (Rule L3.5)
  • Brakes: operating on front and rear wheels mandatory.
  • No carbon fibre/kevlar nor composite materials are permitted except for seat and undertray.
  • Chassis: 125-MAX-DD2 specific.