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Junior Classes (ages 12-15)

All drivers must be between competition ages (the age a driver attains during a calendar year) of 12-15.  Like the 8-12 year old sportsman division, there is a category for Yamaha engines, TaG engines and Briggs engines, the Yamaha class is by far the most popular across the country.  Rules are very consistent from track to track or series to series.  The Junior category is one of the most competitive and is an excellent training ground for young drivers of all skill levels.

Junior Essentials

Yamaha Junior

  • Engine: 100cc Yamaha
  • Carburetor: Walbro WB3A
  • Fuel: gas and oil only
  • Minimum weights: 320 lbs
  • Exhaust: RLV SSX (4-hole)
  • Tires: 4.50 x 10-5 (front), 7.1 x 10.5-5 (rear), brand and compound specified by club

 

Suggested Kart: Yamaha - Margay Brava 1.17ck

 


TaG Junior

  • Engine: 125cc liquid cooled (IAME Leopard, X30, Rotax)
  • Fuel: gas and oil only
  • Minimum weights: 350 lbs
  • Exhaust: factory exhaust only
  • Tires: 4.50 x 10-5 (front), 7.1 x 10.5-5 (rear), brand and compound specified by club

 

Suggested Kart: TaG - Margay Brava 1.17ck

 


Briggs Junior

  • Engine: Briggs LO206
  • Slide: Briggs 'Yellow' slide
  • Fuel: 87 octane
  • Minimum weights: 320 lbs
  • Exhaust: factory exhaust only
  • Tires: 4.50 x 10-5 (front), 6.0 x 10.5-5 (rear), brand and compound specified by club

 

Suggested Kart: Briggs - Margay Brava 4.15, Margay Ignite K3

 
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