British Superkart Racing Club

125 KZ General Information

Class Description

The 125 KZ class is a great way to come into long circuit karting if you already race on short circuit with a KZ class. As you can see in the pictures these are 125cc KZ karts with short circuit bodywork (minus a few nasa panels). The kart you use on short circuit is legal to run in the 125 KZ class alongside the F125 Open class.

Class Specifications

  • 125cc Liquid Cooled engine, must be FIA-CIK homologated.
  • Weight limit of 180kg
  • Between 40-50 BHP
  • 0-60 in around 4 seconds
  • Top speed of 100-110 mph

F125 Open

MSA 250 British Superkart Championship

F450 National

Division 1 Superkart