1980 Yamaha RD 350 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	47.0 HP (34.3 kW )) @ 8700 RPM
Torque	40.2 Nm (4.1 kgf-m or 29.7 ft.lbs) @ 4100 RPM
Compression	6.9:1
Bore x stroke	64.0 x 54.0 mm (2.5 x 2.1 inches)
Fuel system	Carburettor
Fuel control	Membrane
Ignition	Flywheel magneto CDI
Cooling system	Air
Gearbox	6-speed
Transmission type	Chain (final drive)
Clutch	Wet multiplate
Frame type	Tubular steel, double front downtubes
Front suspension	32mm stanchion tube forks
Rear suspension	Single shock cantilever, 5-way adjustable spring preload
Front brakes	Double disc. 0
Rear brakes	Expanding brake
Front tyre	3.00-18
Rear tyre	3.50-18
Dry weight	143.0 kg (315.3 pounds)
Weight incl. oil, gas, etc	150.0 kg (330.7 pounds)
Seat height	785 mm (30.9 inches) If adjustable, lowest setting.
Overall length	2080 mm (81.9 inches)
Ground clearance	165 mm (6.5 inches)
Wheelbase	1365 mm (53.7 inches)
Fuel capacity	17.00 litres (4.49 US gallons)
Top speed	178.0 km/h (110.6 mph)

Source: Bikez: RD 350, 1980. Retrieved 2026-09-19. Match confidence: exact.

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