Events Legend

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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.