Monster Mountain Cup Classes
The Monster Mountain Cup will run under the permit, rules and regulations of the ACU (Auto Cycle Union). Below are the ACU Motocross Standing Regulations for the classes we are running.
| Age | Class | Engine Capacity | Wheel Size / Specification |
| 9 – 12 Years | 85cc (Small Wheel 85cc) | Minimum – 70cc 2 stroke or 125cc 4 stroke. Manual clutch, maximum 85cc 2 stroke or 150cc 4 stroke | 14 inch rear, 17 inch front |
| 11 – 14 Years | 85cc (Big Wheel 85cc) | Minimum 70cc 2 stroke or 125cc 4 stroke. Manual clutch, maximum 85cc 2 stroke or 150cc 4 stroke | 16 inch rear, 19 inch front |
| 15 Years + | Novice & Ladies | Minimum 120cc up to maximum 650cc 2 stroke Minimum 175cc up to maximum 650cc 4 stroke Electric powered machines with an output of up to 60HP (measured at the motor test port) | |
| 15 Years + | Clubman | Minimum 120cc up to maximum 650cc 2 stroke Minimum 175cc up to maximum 650cc 4 stroke Electric powered machines with an output of up to 60HP (measured at the motor test port) | |
| 15 Years + | Pro & Expert | Minimum 120cc up to maximum 650cc 2 stroke Minimum 175cc up to maximum 650cc 4 stroke Electric powered machines with an output of up to 60HP (measured at the motor test port) |