1970 Yamaha RT1 360 Specifications and Specs
Specifications and workshop reference information for the 1970 Yamaha RT1 360, including engine, chassis, service data and setup details.
Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.
General Specifications
| Engine Type | Single-cylinder, two-stroke, air-cooled |
| Displacement | 351 cc |
| Bore × Stroke | 80.0 × 70.0 mm |
| Compression Ratio | 6.9:1 |
| Maximum Power | 36 hp @ 7,000 rpm |
| Maximum Torque | |
| Carburetor | Mikuni VM36SC | Replacement Options |
| Lubrication | Autolube oil injection |
| Fuel Mix Ratio | N/A (Oil Injection) |
| Ignition | Flywheel Magneto |
| Spark Plug | NGK B8ES |
| Spark Plug Gap | 0.6 – 0.7 mm |
| Air Filter | Foam |
Transmission
| Transmission Type | 5-speed constant mesh |
| Clutch | Wet multi-plate |
| Primary Reduction | 3.409 |
| Final Reduction | 15T / 46T |
Dimensions
| Overall Length | 2,135 mm |
| Overall Width | 890 mm |
| Overall Height | 1,170 mm |
| Wheelbase | 1,405 mm |
| Ground Clearance | 250 mm |
| Fuel Tank Capacity | 9.5 L |
| Bearing Sizes |
Bearing Finder |
Chassis
| Frame Type | Steel tubular double cradle |
| Caster Angle | 28° |
| Front Suspension | Telescopic forks | Fork Oil Levels |
| Rear Suspension | Dual rear shocks |
| Front Suspension Travel | 190 mm |
| Rear Suspension Travel | 100 mm |
Brakes & Wheels
Service Data
| Gearbox Oil Capacity | 1.2 L |
| Oil Tank Capacity | 1.4 L |
| Chain Type | 530 |
| Starting System | Kick Start |
360cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.