F100 Rules
100cc Air cooled kart engines 1999 and before and must be homologated. (Addition to engine regs. Maximum of 103cc. It must be a homologated engine, and the only way it can be 103cc is by an increase in bore size due to its age. The formula used is "bore x bore x .7854 x stroke"…)
Carburettor. must be 24mm maximum at the venturi, butterfly, 2 or 3 jet, and be manufactured before 2000.
Weight categories Light 148kg, and Heavy 165kg.
Chassis must be Homologated in 1999 or before.
A model Kart that was homologated or manufactured prior to 2000 is acceptable, even if the manufacture date is after 1999.
Airbox or induction silencer is compulsory.
Tyres MG Yellow. One set per race meeting.
Wet tyres are free. One set per meeting.
Side Pods, Nose cone and Nassau panel are compulsory.
Only one chassis permissible per race meeting.