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Yamaha GT80 B 1975

20305

Make: 

  • Yamaha

Model: 

  • GT80 B

Year: 

  • 1975

Power: 

4.90 HP (3.6 kW))

Top speed: 

91.0 km/h (56.5 mph)

Max RPM: 

8000

Transmission type: 

Chain

Frame type: 

Steel

Cooling system: 

Air

Category: 

Enduro / offroad

Engine type: 

Single cylinder, two-stroke

Front brakes: 

Expanding brake (drum brake)

Rear brakes: 

Expanding brake (drum brake)

Dry weight: 

59.0 kg (130.0 pounds)

Power/weight ratio: 

0.0831 HP/kg

Starter: 

Kick

Displacement: 

72.00 ccm (4.39 cubic inches)

Torque: 

6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 7200 RPM

Bore x stroke: 

47.0 x 42.0 mm (1.9 x 1.7 inches)

Fuel system: 

Carburettor. Teikei

Gearbox: 

4-speed

Color options: 

White/Competition Yellow

Clutch: 

Wet plate

Front suspension: 

Inverted forks

Rear suspension: 

non-adjustable dual shock

Front tyre dimensions: 

2.50-15

Rear tyre dimensions: 

2.75-14

Front brakes diameter: 

127 mm (5.0 inches)

Rear brakes diameter: 

127 mm (5.0 inches)

Fuel capacity: 

4.92 litres (1.30 gallons)

Lubrication system: 

Auto Lube

Compression: 

6.0:1

Ignition: 

Points type Ignition

Weight including oil, gas, etc: 

60.3 kg (133.0 pounds)

Front suspension travel: 

102 mm (4.0 inches)

Rear suspension travel: 

76 mm (3.0 inches)

Exhaust system: 

Single tuned pipe

Rake (fork angle): 

32.0°

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