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Class 7 - SUPERMOTO ULTRA LITE
- 2 Stroke Single Cylinder Machines displacing: (up to 100cc)
- 4 Stroke Single Cylinder Machines displacing: (up to 150cc)
Class 8 -Â SUPERMOTO LITES
- 2 Stroke Single Cylinder Machines displacing: (101cc to 125cc)
- 4 Stroke Single Cylinder Machines displacing: (151cc to 250cc)
Class 9 - SUPERMOTO PREMIER
- 2 Stroke Single Cylinder Machines displacing: (200cc to 250cc)
- 4 Stroke Single Cylinder Machines displacing: (350cc to 450cc)
Class 10 - SUPERMOTO UNLIMITED
Unlimited modification. Open displacement Single or Twin Cylinder
- 2 Stroke Single Cylinder Machines displacing: (400cc and up)
- 4 Stroke Single Cylinder Machines displacing: (400cc and up)
- 4 Stroke Twin Cylinder Machines displacing: (451cc to 575cc)
ERS SUPERMOTO PAVEMENT ONLY CLASSES
Class 1-Spec Thumpstar
- Thumpstar/SEMRA Spec bike 125cc
Class 2-Formula 2
- 2 Strokes up to 65cc, 4 strokes up to 125cc under Superbike rules. Bikes may have unlimited engine modifications but must not exceed max displacement.
Class 3-GP 85
- 2 Strokes up to 85cc, air-cooled four stokes up to 175cc under.
- 4 Stroke machines up to 150cc for water-cooled and 175cc for air-cooled under Superbike rules. Unlimited engine modifications, but must not exceed maximum displacement.
Class 4-Thumper 136
4 Stroke machines only up to 136cc under Superbike rules. Unlimited engine modifications, but cannot exceed 136cc. Examples: XR100, TTR125, DR125, Spec Bike.
Class 5- SuperMini
- 2 Stroke machines up to 105cc maximum displacement or 4 stroke machines up to 150cc for water-cooled and 175cc for air-cooled. Unlimited engine modifications, but must not exceed maximum displacement.
Class 6-Supermoto 525
- Up to 525cc dirt bike chassis
Please see our track policies on our web site.
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