Motorcycles Specs > Yamaha > Yamaha GT80 B

Yamaha GT80 B Specs

(1975)

The Yamaha GT80 B model is a Enduro / offroad bike manufactured by Yamaha . In this version sold from year 1975 , the dry weight is 59.0 kg (130.0 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 4.90 HP (3.6 kW) and a maximum torque of 6.10 Nm (0.6 kgf-m or 4.5 ft.lbs) @ 7200 RPM . With this drive-train, the Yamaha GT80 B is capable of reaching a maximum top speed of 91.0 km/h (56.5 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha GT80 B have a Steel frame with front suspension being Inverted forks and in the rear suspension it is equiped with non-adjustable dual shock . Stock tire sizes are 2.50-15 on the front, and 2.75-14 on the rear. As for stopping power, the Yamaha GT80 B braking system includes Expanding brake (drum brake) size 127 mm (5.0 inches) at the front and Expanding brake (drum brake) size 127 mm (5.0 inches) at the rear.

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Yamaha GT80 B General Information

Brand	Yamaha

Model	Yamaha GT80 B

Start year	1975

Year	1975

Category	Enduro / offroad

Factory Warranty (Years / miles)	-

Yamaha GT80 B Dimensions, Aerodynamics and weight

Frame type	Steel

Seat details	-

Wheelbase	-

Length	-

Width	-

Height	-

Seat Height	-

Alternate Seat Height	-

Ground Clearance	-

Trail size	-

Wheels details	-

Front Tyres - Rims dimensions	2.50-15

Rear Tyres - Rims dimensions	2.75-14

Front brakes	Expanding brake (drum brake)

Rear brakes	Expanding brake (drum brake)

Front Brakes Dimensions - Disc Dimensions	127 mm (5.0 inches)

Rear Brakes Dimensions - Disc Dimensions	127 mm (5.0 inches)

Curb Weight (including fluids)	60.3 kg (133.0 pounds)

Dry Weight	59.0 kg (130.0 pounds)

Front Percentage of Weight	-

Rear Percentage of Weight	-

Weight-Power Output Ratio :	0.0831 HP/kg

Fuel Tank Capacity	4.92 litres (1.30 gallons)

Reserve Fuel Capacity	-

Carrying Details and Capacity	-

Front Suspension	Inverted forks

Front Suspension Travel	102 mm (4.0 inches)

Rear Suspension	non-adjustable dual shock

Rear Suspension Travel	76 mm (3.0 inches)

Yamaha GT80 B Engine and Transmission Technical Data

Engine type - Number of cylinders	Single cylinder, two-stroke

Engine details	-

Fuel system	Carburettor. Teikei

Engine size - Displacement - Engine capacity	72.00 ccm (4.39 cubic inches)

Bore x Stroke	47.0 x 42.0 mm (1.9 x 1.7 inches)

Compression Ratio	6.0:1

Number of valves per cylinder	-

Camshaft Valvetrain Configuration	-

Maximum power - Output - Horsepower	4.90 HP (3.6 kW)

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

Engine Maximum RPM	8000

Cooling system	Air

Lubrication system	Auto Lube

Engine oil capacity	-

Exhaust system	Single tuned pipe

Gearbox	4-speed

Transmission type, final drive ratio	Chain

Clutch type	Wet plate

Driveline	-

Yamaha GT80 B Performance

Top Speed	91.0 km/h (56.5 mph)

Acceleration 0 to 100 km/h (0 to 62 mph)	-

Acceleration 0 to 400m (1/4 mile)	-

Recuperation 60 to 140 km/h in highest gear	-

Fuel Consumption - MPG - Economy - Efficiency	-

CO2 emissions	-

Emissions	-

Yamaha GT80 B Electrical Systems, Ignition and Equipment

Ignition Type	Points type Ignition

Electrical Details	-

Starter Type	Kick

Instruments	-

Lights	-

How much horsepower does a Yamaha GT80 B have?
The Yamaha GT80 B has 4.90 HP (3.6 kW).

How fast is a Yamaha GT80 B?
The Yamaha GT80 B top speed is 91.0 km/h (56.5 mph).

How much does a Yamaha GT80 B weighs?
The Yamaha GT80 B weighs 59.0 kg (130.0 pounds).

How many gears does a Yamaha GT80 B have?
The Yamaha GT80 B have 4-speed gears.

Yamaha GT80 B Specs

Yamaha GT80 B General Information

Yamaha GT80 B Dimensions, Aerodynamics and weight

Yamaha GT80 B Engine and Transmission Technical Data

Yamaha GT80 B Performance

Yamaha GT80 B Electrical Systems, Ignition and Equipment

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