| JNR Divisions | Classes | Descriptor | Grades |
| Junior Dirt Bike | Pee Wee (Non-Competitive) | 4-u9 years, Up to 80cc 2 Stroke / 110cc 4 Stroke (Only a Mini Licence is required) 4-u7 years are restricted to up to 50cc. (Machines in Rule 15.24.7 (MoMS) are not permitted in the class) | No Grades |
| 50cc Competition (Competitive) | 7-u9 years, Up to 50cc (Full Competition Licence is required). (Machines in Rule 15.24.7 (MoMS) are not permitted in the class) Maximum front wheel size 10” Must be OEM | No Grades | |
| Lites Competitive | 7-u12 years – any ‘Small Wheel’ MX/Thumpster Configuration up to 80cc 2 Stroke / 125cc 4 Stroke. (Note: Riders in this class aged 7-u9 years are restricted to up to 80cc 2 Stroke / 110cc 4 Stroke | No Grades | |
| Junior Solo | Lites | 7-u9 years, as per Chapter 19 (MoMS) Sections/Rules – 19.8, 19E Technical Regulations | No Grades |
| 125cc | 9-u16 years, as per Chapter 19 (MoMS) Sections/Rules – 19.8, 19E Technical Regulations | A, B & C | |
| 80cc | 9-u16 years, up to 85cc 2 Stroke, as per FIM Rules | No Grades | |
| 250cc FIM | 250 – 13-u16 years, as per Chapter 19, Section 19.9 (MoMS) 19.8, 19E Technical Regulations No 350cc for 2014/15 | No Grades | |
| Junior Sidecar | 250cc | Rider 11-u16 years / Passenger 9-u16 years, as per Section 19 – Speedway (MoMS) (Rules – 19.8, 19E Technical Regulations | No Grades |
| SNR Divisions | Classes | Descriptor | Grades |
| Solo | 250cc ‘Carter Class’ | 16 years and over, as per SMCWA 250cc Solo Speedway Division Rules | No Grades |
| 250cc Intermediate Class | 16 years and over, as per Chapter 19, (MoMS) Sections/Rules – 19.8, 19E Technical Regulations | No Grades | |
| 500cc | 16 years and over, as per Chapter 19 (MoMS) Sections/Rules – 19.8, 19E Technical Regulations | A, B & C | |
| Sidecar | 1045cc | 16 years and over, as per Chapter 19 (MoMS) Sections/Rules – 19.8, 19E Technical Regulations | No Grades |
* Specific rules, in addition to those contained within the 2014 MoMS, apply to this class
NB: Grades within classes will be combined where there is insufficient numbers to support one or more of the grades separately
