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Yamaha YR-1 (1967) technical specifications

Yamaha YR-1 technical specifications

Yamaha YR-1 is produced in 1967. Engine is Two stroke, parallel twin, displacement 347 cc / 21.1 cu-in , produces power 36.5 hp / 27.2 kW @ 7500 rpm and 3.3 kg-m / 23.9 ft-lb @ 7000 rpm. Yamaha YR-1 has 2 photos.

Technical specifications

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Model: YR-1
Years: 1967
Engine: Two stroke, parallel twin
Capacity: 347 cc / 21.1 cu-in
Bore x Stroke: 61 х 59.6 mm
Compression Ratio: 7.5:1
Cooling System: Air cooled
Induction: Carburettor
Ignition:
Starting: Kick
Max Power: 36.5 hp / 27.2 kW @ 7500 rpm
Max Torque: 3.3 kg-m / 23.9 ft-lb @ 7000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension:
Rear Suspension:
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00-18
Rear Tyre: 3.50-18
Dimensions: Length: 2060 mm / 81.1 in Width: 735 mm / 28.9 in Height: 1000 mm / 39.3 in
Wheelbase: 1335 mm / 52.5 in
Ground Clearance: 145 mm / 5.7 in
Weight: 157 kg / 346 lbs
Fuel Capacity: 15 Litres / 4.0 gal

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