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Technical Specifications of Yamaha AT-1

Model: Yamaha 125 AT-1

Versions: AT1 (100101-119829), AT1B (120101-138890), AT1M (300101-303790), AT1MX (310101-312326), AT1C (139101-162879), AT1M-C (313101-317191)

Year: 1969-71

Motorcycle Type: Dual sport / Enduro

Dry weight: 94.0 kg

Ground clearance: 225 mm (8.85 inches)

Fuel tank size: 7.2 litres (1.6 gallons)

Colour options: Pearl White, Competition Yellow, Brilliant Red


Engine, Intake & Transmission

Displacement: 123 cc

Engine: Single, two-stroke

Top speed: 97 km/h (60 mph)

Fuel system: Carburettor

Fuel control: Port control

Ignition: Points

Lubrication system: Autolube

Cooling system: Air cooled

Gearbox: 5-speed

Transmission: Wet, multiple disc with Chain

Start up: Electric & Kick start


Chassis, suspension, brakes and wheels

Frame type: Steel tube – double tubular cradle

Front suspension: Hydraulic telescopic fork

Rear suspension: Twin shocks

Front brakes: Drum brake

Rear brakes: Drum brake