1970 Yamaha R 3 specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 345.0 ccm (21.05 cubic inches) |
|---|---|
| Engine type | Twin, two-stroke |
| Power | 36.0 HP (26.3 kW )) @ 7000 RPM |
| Compression | 7.5:1 |
| Bore x stroke | 61.0 x 59.0 mm (2.4 x 2.3 inches) |
| Fuel control | Port control |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Front tyre | 3.00-18 |
| Rear tyre | 3.50-18 |
| Weight incl. oil, gas, etc | 154.0 kg (339.5 pounds) |
| Fuel capacity | 15.00 litres (3.96 US gallons) |
| Top speed | 165.0 km/h (102.5 mph) |
Source: Bikez: R 3, 1970. Retrieved 2026-09-19. Match confidence: exact.
Years listed are the entries held in this archive, rather than a complete production history.
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