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Technical Specifications of Yamaha YAS1

Model: Yamaha YAS1 - Yamaha AS1

Year: 1967 & 1968

Motorcycle Type: Sport & Touring

Dry weight: 98.0 kg

Ground clearance: 150 mm (5.9 inches)

Fuel tank size: 9.46 litres (2.50 gallons)

Colour options: Blue or Red


Engine, Intake & Transmission

Displacement: 125 cc

Engine: Twin, two-stroke

Top speed: 120.7 km/h (75.0 mph)

Fuel system: Carburettor

Fuel control: Port control

Ignition: Points

Lubrication system: Autolube

Cooling system: Air cooled

Gearbox: 5-speed

Transmission type: Chain

Exhaust system: Twin chrome

Start up: Kickstart


Chassis, suspension, brakes and wheels

Frame type: Steel tube

Front suspension: Telescopic forks

Rear suspension: Swing arm

Front brakes: Drum brake - single leading shoe

Rear brakes: Drum brake