Class Rules

KARTS – ALL CLASSES

  • Karts to be structurally sound
  • Side pods with legible numbers
  • Nose cone with legible numbers
  • Nassau panel with legible numbers
  • Steering column to have a safety washer under the lower spherical bearing
  • Brakes to be operational with backup safety cable
  • Return Spring on the throttle pedal and at the carburettor
  • Karts to have a steel rear crash bar or plastic bumper

YAMAHA J LIGHT & HEAVY

  • Yamaha KT100J Unrestricted @ 145KG Light & 165KG Heavy
  • Engines and carburettor conform to current homologation – no modifications
  • Exhaust AKA 14 Controlled Exhaust System.
  • Air boxes are compulsory – non tech item for Yamaha with filters optional.
  • Tyres – Dunlop DF2

CLUBMAN LIGHT & HEAVY

  • Yamaha KT100S & ARC SPEC 100A @ 150KG Light & 170KG Heavy
  • ARC SPEC 100W @ 155KG Light & 175KG Heavy
  • IAME KA100 with MKC CLUB ISSUED 27mm Exhaust Restrictor @ 160KG Light & 180KG Heavy
  • IAME X30 with MKC CLUB ISSUED 22.5mm Exhaust Restrictor @ 170KG Light & 190KG Heavy
  • MKC reserves the right to adjust restrictors & weights as required to achieve parity
  • Engines and carburettor conform to current homologation- no modifications
  • Exhaust systems are a non tech item for ARC & Yamaha but must have some silencing capacity. IAME KA as per homologation.  IAME X30 must be old style Part No X30125718
  • Air boxes are compulsory – non tech item for ARC & Yamaha with filters optional. IAME as per homologation
  • Tyres – Dunlop DFH

CADET 9 (7 years – 11 years)

  • Vortex Mini Rok engines @ 99KG, 16mm exhaust restrictor, entire engine package as per homologation – no modifications
  • Comer SW80 engines @ 90KG, entire engine package as per current homologation no modifications
  • Yamaha KT100J Engines @ 100KG, 16mm exhaust restrictor, entire engine package as per current homologation no modifications
  • Exhaust systems are a non tech item for Yamaha but must have some silencing capacity. Mini Rok & Comer as per homologation.
  • Air boxes are compulsory – non tech item for Yamaha with filters optional. Mini Rok & Comer as per homologation.
  • Tyres – Front: Bridgestone YJL Front 4.0/10-5 Rear: Bridgstone YJL Rear 5.0/11-5

CADET 12 (9 years – 13 years)

  • Vortex Mini Rok engines @ 108KG, no exhaust restrictor, entire engine package as per homologation – no modifications
  • Yamaha KT100J Engines @ 110KG, 18mm exhaust restrictor, entire engine as per homologation – no modifications
  • Exhaust systems are a non tech item for Yamaha but must have some silencing capacity. Mini Rok as per homologation.
  • Air boxes are compulsory – non tech item for Yamaha with filters optional. Mini Rok as per homologation.
  • Tyres – Front: Bridgestone YJL Front 4.0/10-5 Rear: Bridgstone YJL Rear 5.0/11-5

JUNIOR CLUBMAN (11 years to 16 years)

  • Yamaha KT100J @ 100KG Unrestricted, Engines and carburettor conform to current homologation, exhaust systems are non tech item but must have some silencing capacity, air boxes are a non tech item but are compulsory, filters optional.
  • IAME KA100 @ 130KG, 19mm IAME exhaust restrictor, entire engine package as per homologation – no modifications
  • IAME KA100 @ 144KG, Senior Exhaust Header with MKC CLUB ISSUED 27mm Exhaust Restrictor, entire engine package as per homologation – no modifications
  • Yamaha KT100S & ARC SPEC 100A @ 120KG with 25mm MKC CLUB ISSUED Exhaust Restrictor, entire engine as per homologation – no modifications
  • ARC SPEC 100W @ 125KG with 25mm MKC CLUB ISSUED Exhaust Restrictor, entire engine as per homologation – no modifications
  • Yamaha & ARC Restrictors require a header to be supplied so that a restrictor can be brazed into place, this must be arranged at least 2-weeks prior to the event with the club.
  • Exhaust systems are a non tech item for Yamaha & ARC but must have some silencing capacity. IAME as per homologation.
  • Air boxes are compulsory – non tech item for Yamaha & ARC with filters optional. IAME as per homologation.
  • Tyres – Dunlop DFH

OPEN PERFORMANCE

  • 2 or 4 stroke engines in single or twin configuration
  • Single engine capacity must not exceed 175cc for 2-stroke or 250cc for 4 stroke.
  • Twin total engine capacity must not exceed 255cc for 2-stroke.
  • Exhaust systems are a non tech item for but must have some silencing capacity.
  • Tyres – Dunlop, Bridgestone, Vega or MG.

KA3 LIGHT, MEDIUM & HEAVY

  • IAME KA100 Light @ 149KG Medium @ 169kg Heavy @ 189KG
  • Engines and carburettor conform to current homologation – no modifications
  • Exhaust systems as per homologation.
  • Air boxes are homologation
  • Tyres – Dunlop DFM

X30 RESTRICTED LIGHT & HEAVY

  • IAME X30 with 29mm Exhaust Restrictor, Light @ 160KG Heavy @ 180KG
  • Engines and carburettor conform to current homologation – no modifications
  • Exhaust systems as per homologation.
  • Air boxes are homologation
  • Tyres – Dunlop DFM

KA4 JUNIOR LIGHT (11 years to 16 years)

  • IAME KA100 @ 128kG, 19mm IAME exhaust restrictor, entire engine package as per homologation – no modifications
  • Engines and carburettor conform to current homologation – no modifications
  • Exhaust systems as per homologation.
  • Air boxes are homologation
  • Tyres – Bridgestone YLR ROK