1970 Yamaha R5 350
Born in 1970, the 1970 Yamaha R5 350 is a 347cc twin-cylinder standard motorcycle producing 36hp from Yamaha.
Specifications
Engine
- Type
- 2-stroke twin
- Displacement
- 347 cc
- Cylinders
- 2
- Power
- 36 hp @ 7000 rpm
- Torque
- 32.0 Nm
- Compression
- —
- Bore × Stroke
- 64.0 × 54.0 mm
- Cooling
- Air-cooled
- Fuel System
- 2x Mikuni carburetors
Chassis & Transmission
- Frame
- Steel double cradle
- Front Suspension
- Telescopic fork
- Rear Suspension
- Twin shock
- Front Brake
- Drum
- Rear Brake
- Drum
- Front Tyre
- —
- Rear Tyre
- —
- Transmission
- 5-speed
- Final Drive
- Chain
Performance
- Top Speed
- 155 km/h (96 mph)
- ¼ Mile
- —
Dimensions & Weight
- Dry Weight
- 145 kg (320 lbs)
- Wet Weight
- 158 kg (348 lbs)
- Seat Height
- 790 mm
- Wheelbase
- 1350 mm
- Ground Clearance
- —
- Fuel Capacity
- 13.0 L
History & Story
Yamaha's 1970 Yamaha R5 350 arrived in 1970 as a standard motorcycle designed for the discerning rider. Produced in Japan, it quickly earned recognition as a capable standard motorcycle from the 1970s.
The 1970 Yamaha R5 350 is motivated by a 347cc 2-stroke twin twin-cylinder unit delivering 36hp at 7000 rpm. Breathing through 2x Mikuni carburetors and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.
The chassis employs a steel double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 145 kg (320 lbs) dry, the 1970 Yamaha R5 350 offers a manageable riding experience with a 1350 mm wheelbase.
Performance-wise, the 1970 Yamaha R5 350 achieves a claimed top speed of 155 km/h (96 mph). With a fuel capacity of 13.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.
The 1970 Yamaha R5 350 is motivated by a 347cc 2-stroke twin twin-cylinder unit delivering 36hp at 7000 rpm. Breathing through 2x Mikuni carburetors and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.
The chassis employs a steel double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 145 kg (320 lbs) dry, the 1970 Yamaha R5 350 offers a manageable riding experience with a 1350 mm wheelbase.
Performance-wise, the 1970 Yamaha R5 350 achieves a claimed top speed of 155 km/h (96 mph). With a fuel capacity of 13.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.
Known Issues
- Reed valve deterioration
- Exhaust power valve carbon buildup
- Crank seal wear
- Speedometer gear wear
Fun Facts
- As a two-stroke, the 1970 Yamaha R5 350 produced a distinctive exhaust note and required premix or oil injection
- The 1970 Yamaha R5 350 was produced in Yamaha's Japan facilities
- The 1970 Yamaha R5 350 featured a steel double cradle frame typical of 1970s design philosophy
Collector Information
- Parts Availability
- Moderate
- Collector Rating
- 5/10
Resources & Parts
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