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YAMAHA YR1 (1967-1970) Specs, Performance & Photos

Segment: Naked / Road
Production years: 1967, 1968, 1969, 1970

YAMAHA YR1 1967-1970 3 Photos
YAMAHA YR1 (1967-1970)YAMAHA YR1 (1967-1970)YAMAHA YR1 (1967-1970)

This bike was the largest in the line that year. It was the first 350 cc they had build. In 1967 the engine was the first to use aluminium cylinder with cast iron sleeves. This bike it was equipped with a Twin cylinder, two-stroke, five speed.

YAMAHA YR1 1967-1970

YAMAHA YR1 350

engine specs
Type:Twin cylinder, two stroke, air cooled
Displacement:347 cm3
Bore X Stroke:2.4x2.3 in OR 61 mm
Compression Ratio:7.5:1
Horsepower:36.5/7500 KW(hp)/RPM
Torque:23.9/7000 lb-ft/RPM OR 32/7000 Nm/RPM
Fuel System:Carburetor
transmission specs
Gearbox:5-Speed
Clutch:Wet multi-plate
Primary Drive:-
Final Drive:Chain
chassis specs
Frame:-
Front Suspension:-
Rear Suspension:-
Front Brake:Drum
Rear Brake:Drum
dimension specs
Overall Length:81.1 in OR 2060 mm
Overall Width:28.9 in OR 734 mm
Seat Height:-
Wheelbase:52.6 in OR 1336 mm
Ground Clearance:5.7 in OR 145 mm
Weight:346 lbs OR 157 kg
Fuel Capacity:4 gallons OR 15.1 L
tyres specs
Front:3.00-18
Rear:3.50-18
power system specs
Power pack:-
Nominal Capacity:-
Maximum Capacity:-
Charger type:-
Charging time (normal):-
Charging time (quick):-
Range:-
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