1970 Yamaha R 5 specifications

Available technical data for this model and year. Specifications can vary by market and version.

Technical specifications

Displacement	347.0 ccm (21.17 cubic inches)
Engine type	Twin, two-stroke
Power	35.0 HP (25.5 kW )) @ 7800 RPM
Torque	37.9 Nm (3.9 kgf-m or 28.0 ft.lbs)
Compression	6.9:1
Bore x stroke	64.0 x 54.0 mm (2.5 x 2.1 inches)
Fuel system	Carburettor. 2 Mikuni VM28 SC
Fuel control	Port control
Ignition	Battery, dual coils, breaker points
Cooling system	Air
Gearbox	5-speed
Transmission type	Chain (final drive)
Clutch	Multi-plate, wet
Frame type	Duplex cradle frame
Front suspension	Telescopic fork
Rear suspension	Swingarm
Front brakes	Expanding brake (drum brake)
Rear brakes	Expanding brake
Front tyre	3.00-18
Rear tyre	3.50-18
Dry weight	146.0 kg (321.9 pounds)
Weight incl. oil, gas, etc	148.0 kg (326.3 pounds)
Seat height	790 mm (31.1 inches) If adjustable, lowest setting.
Ground clearance	180 mm (7.1 inches)
Wheelbase	1341 mm (52.8 inches)
Fuel capacity	12.00 litres (3.17 US gallons)
Top speed	160.0 km/h (99.4 mph)

Source: Bikez: R 5, 1970. Retrieved 2026-09-19. Match confidence: exact.

Years listed are the entries held in this archive, rather than a complete production history.