Back to Bike FinderYears: 1975
1975Off-road
Yamaha GT80 B
Key specifications
Engine
72 cc
Power
5 HP
Torque
6 Nm
Weight
59 kg
Fuel type
petrol
Fuel capacity
1.3 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)
Technical details
Source specification data
- Make
- Yamaha
- Model
- GT80 B
- Category
- Enduro-offroad
- Starter
- Kick
- Color Options
- White/Competition Yellow
- Power
- 4.90 HP (3.6 kW))
- Clutch
- Wet plate
- Max Rpm
- 8000
- Torque
- 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 7200 RPM
- Gearbox
- 4-speed
- Ignition
- Points type Ignition
- Top Speed
- 91.0 km/h (56.5 mph)
- Fuel System
- Carburettor. TEIKEI
- Bore X Stroke
- 47.0 x 42.0 mm (1.9 x 1.7 inches)
- Compression
- 6.0:1
- Displacement
- 72.00 ccm (4.39 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, two-stroke
- Exhaust System
- Single tuned pipe
- Lubrication System
- Auto lube
- Transmission Type Final Drive
- Chain
- Dry Weight
- 59.0 kg (130.0 pounds)
- Fuel Capacity
- 4.92 litres (1.30 gallons)
- Power Weight Ratio
- 0.0831 HP/kg
- Weight Incl Oil Gas Etc
- 60.3 kg (133.0 pounds)
- Rake
- 32.0°
- Rear Tyre
- 2.75-14
- Frame Type
- Steel
- Front Tyre
- 2.50-15
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- non-adjustable dual shock
- Front Suspension
- inverted forks
- Rear Wheel Travel
- 76 mm (3.0 inches)
- Front Wheel Travel
- 102 mm (4.0 inches)
- Rear Brakes Diameter
- 127 mm (5.0 inches)
- Front Brakes Diameter
- 127 mm (5.0 inches)
Available colors
White/Competition Yellow