On the Track

Gonna race at Iron Rock today?  Check out our standard spec sheet below for each class.  We change our track regularly, but this is a good starting point.     Kart Class Ages Engine Horse- power Transmission Top Speed Braking Wheels Kid Karts 5-8 50cc 2.5hp Centrifugal 25mph 2 Junior 1 8-11 100cc 8-9hp Centrifugal 50mph 2 Yamaha Jr. 12-15 100cc 10-11hp Centrifugal 65mph 2 Yamaha Sr. 15+ 100cc 18hp Centrifugal 70mph 2 TAG Novice 8-12 60cc 15hp Centrifugal 60mph 2 TAG Jr. 12-15 125cc 22-23hp Centrifugal 85mph 2 TAG Sr. 15+ 125cc 28hp Centrifugal 85mph 2 TAG Masters 35+ 125cc 28hp Centrifugal 80mph 2 Mini - Max 8-11 60cc 15hp Centrifugal 60mph 2 Rotax Jr. 13-15 125cc 28hp Centrifugal 80mph 2 Rotax Intn'l. 16+ 125cc 28hp Centrifugal 80mph 2 or 4 Rotax Master 16+ 125cc 28hp Centrifugal 75mph 2 or 4 80cc Jr. 12-15 80cc 28-33hp 6-speed shifter 85mph 2 or 4 80cc Sr. 15+ 80cc 31-33hp 6-speed shifter 85mph 2 or 4 Stock 125 15+ 125cc 33hp 6-speed shifter 100mph 4 125cc Senior 15+ 125cc 40-47hp 6-speed shifter 100mph 4 125cc Master 35+ 125cc 40-47hp 6-speed shifter 100mph 4 Naskart* 13+ 270cc 13hp Centrifugal 65mph Axel *Naskarts are not competition-standard karts and are raced competitively at certain tracks.