Bike Info & Requirements
Read carefully before entering an event.
Bike Classes
| Class | Engine / Wheel | Minimum Age |
|---|---|---|
| Junior Minimoto (Auto) | Up to 50cc | 5yrs+ |
| Junior MiniRoad | Up to 10in – 110cc 4-stroke | 7yrs+ |
| Junior MiniRoad | Up to 12in – 65cc 2-stroke / 160cc 4-stroke | 8yrs+ |
| Junior Road | 85cc 2-stroke / 160cc 4-stroke | 9yrs+ |
| Senior Road | Up to SS300 class bikes (e.g., R3 / Ninja 400) & 150cc 2-stroke | 16yrs+ (typical) |
| Senior Motard (13–16yrs) | Up to 250cc (single-cyl) | 13–16yrs |
| Senior Motard (16yrs+) | Any single-cylinder supermoto | 16yrs+ |
Competency Check Required for Minimum-Age Riders
All riders at the minimum age of each class will need to be competency checked before participating in an event. This can be done at most events by contacting us prior, and at all Come & Try days/nights.
Bike CC Limits
- From 40cc up to 300/400cc ASBK Class Road Bikes & ALL Supermotos. No triples or 4 cylinders (except 250 4-cyl with stock gearing).
Bike Requirements (Scrutineering)
- 95 dB noise limit at Lakeside.
- CATCH CAN – All overflow pipes (carb, radiator, case breather) must terminate in a catch can.
- SLIDERS – Peg/axle/exhaust sliders and bar ends required (no bolt heads protruding).
- TYRES – At least 70% road tyres or slicks; no knobbies.
- AXLE / PEG SLIDERS / BAR ENDS TO BE MADE OF BLACK ACETAL, NO EXCEPTIONS.
Reminder
95 dB noise limit at Lakeside. Ensure your bike passes static and on-track checks.