Classes

Cadet ROK

Age Range: 6-10 years old

Minimum Weight: 99kg (Kart+Driver)

Engine: Vortex Mini ROK (Cadet Spec)

Chassis: KiwiKart Cadet

Tyre: Dunlop DFH

Front/Rear - 10x4.50-5"

The Cadet ROK class runs a control chassis, tyre, motor, oil, and pump gasoline only. This means that with equal equipment across all drivers, our youngest class is about developing the driver in a simple and controlled environment. The lightweight 60cc motor with an electric starter is air-cooled, all this culminates in a machine which is reliable, safe, exhilarating, and easy to maintain, even for people who are not yet confident working in automotive applications - this is a great place to start!

Vortex Mini ROK

Age Range: 9-12 years old

Minimum Weight: 120kg (Kart+Driver)

Engine: Vortex Mini ROK

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

The Vortex Mini ROK class is typically run with a 28mmø tube chassis with 1010mm wheel base to suit small drivers. A full sized adult chassis may be run in this class as well. Karts must use a controlled (unmodified) Vortex Mini ROK 60cc aircooled motor. These have an electric starter and make 10hp. Drivers in this age group begin to appreciate that small aspects of the kart can be tuned to improve their performance on track. Try changing the front and rear track width, tyre pressures, caster & camber - your driver will begin to appreciate the effect of these subtle changes, and learn the importance of communicating effectively when something isn't right.

Junior Vortex DVS

Age Range: 12-16 years old

Minimum Weight: 140kg (Kart+Driver)

Engine: Vortex DVS direct drive 125cc

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

Drivers in this age group move to a full-sized adult chassis. This machine is 1400mm wide with a wheel base no longer than 1300mm. The class has a controlled (unmodified) 125cc Vortex DVS direct drive engine which develops 28hp. The engine is water cooled with electronic ignition timing.  They have massive mid-range power and are push start.  Starting is aided by a de-compression button. 

Junior Rotax Max

Age Range: 12-16 years old

Minimum Weight: 145kg (Kart+Driver)

Engine: Rotax 125 Junior Max Evo

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

Drivers in this age group move to a full-sized adult chassis. This machine is 1400mm wide with a wheel base no longer than 1300mm. The class has a controlled (unmodified) 125cc Rotax Max motor which develops 23hp. The motor comes complete with an electric starter and is water cooled with electronic ignition timing. These machines are a great thrill, young adrenaline junkies get their fix in this class.

Clubsport 120 (Senoir and Junior)

Age Range: 12+ years old

Minimum Weight: Senior - 160kg (Kart + Driver)

                                  Junior - 133kg (Kart + Driver)

Engine: Radne Raket 120

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

This is a gentleman's race class, but no ones racing around in ties and tuxedos, and they sign contracts in rubber on the side of your kart. The Raket 120 motor generates 14hp, it is an affordable air cooled engine developed for grassroots racing. This is an accessible class for the bloke or sheila who wants to go racing with their mates for a good price.

Senior Vortex DVS

Age Range: 15+ years old

Minimum Weight: 163kg (Kart + Driver)

Engine: Vortex DVS direct drive 125cc

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

Senior Vortex DVS is the natural stepping stone for drivers moving up from the Junior Vortex DVS class.  There is no engine or chassis change required, simply a higher minimum weight limit.  This engine is push start, with a de-compression button for easy starting.  It is rev-limited to 15000rpm and makes 28hp.

Rotax Max Light / Heavy

Age Range: 15+ years old

Minimum Weight:

Light - 165kg (Kart+Driver)

Heavy - 185kg (Kart+Driver)

Engine: Rotax Max 125

Tyre: Dunlop DFH

Front - 10x4.50-5"

Rear - 11x7.10-5"

Rotax Max Light is the natural stepping stone for drivers moving up from the Rotax Max Junior class and for new drivers looking for a real adrenaline fix. The Rotax Max 125 motor makes 30hp, is water cooled, and comes equipped with electric start and pneumatic power valve on the exhaust port. The Rotax Max 125 is a high quality purpose built racing motor for karts which revs to a whopping 15,000rpm.

Open

Age Range: 15+ years old

Minimum Weight: KSNZ Rule E3.2.6

Engine: Open (100-250cc)

Tyre: Vega XM Prime Z

Front - 10x4.60-5"

Rear - 11x7.10-5"

Open class gives the racer unadulterated choice to run what ever they want, be it two motors, gearboxes, or front brakes. These machines are fast and they're a handful. You may as well quit your gym membership because 5 laps around KartSport Taranaki in a shifter kart will show you what hard work really is. KZ2 motors are the most widely used formula in this class, and arguably are considered the formula 1 of karting, with a six speed sequential gearbox transmitting 45hp to the wheel at 15,500rpm.

Bucket Bikes

Motorcycling New Zealand governs our sport and publishes the rules governing every aspect of the sport, from how we run competitions to the class rules that determine what's legal or not in our corner of motorcycle sport

What is a Bucket Bike

Getting Started

Track Protection

Visit Bucket Racing New Zealand Inc for further detail