1970 Yamaha YAS 1

Yamaha YAS 1 1970


1970 Yamaha YAS 1 specifications, pictures, reviews and rating

1970 Yamaha YAS 1
1970 Yamaha YAS 1. Picture credits - Randy. Submit more pictures.
General information
Model name Yamaha YAS 1
Year model 1970
Type Classic
Rating 3.6  See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. Compare with any other bike.
Engine and transmission
Engine size 125.0 ccm (7.63 cubic inches)
Type of engine Twin, two-stroke
Effect 15.0 HP (10.9 kW)) @ 8500 RPM
Top speed 110.0 km/h (68.4 mph)
Compression 7.0:1
Bore x stroke 43.0 x 43.0 mm (1.7 x 1.7 inches)
Fuel control Port control
Cooling system Air
Gearbox 5-speed
Transmission type Chain (final drive)
Chassis, suspension, brakes and wheels
Front tire 2.50-18
Rear tire 2.75-18
Front brakes Expanding brake
Rear brakes Expanding brake
Physical measures and capacities
Weight incl. oil, gas, etc 105.0 kg (231.5 pounds)
Fuel capacity 9.50 litres (2.51 US gallons)
Other specifications
Update specsReport missing specs or required updates.
Further information
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