
Winner of the 500cc Manufacturers' and Riders' Championships in the 1979 World Motocross series, the RC500M featured rear twin shocks and an air-cooled engine.Rider: No.8 Graham Noyce
| Type of engine | Air-Cooled 2-st. Single Piston Reed Valve |
|---|---|
| Engine displacement | 493cc |
| Maximum power | Over 55PS / 6,000rpm |
| Maximum torque | 6.65kgm / 5,500rpm |
| Dry weight | 95kg |
| Transmission | 5-Speed |
| Suspension (Front) | Telescopic |
| Suspension (Rear) | Swing Arm |