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Yamaha GT50 - generations and specs | MOTOVULKAN

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Yamaha
GT50

Yamaha · Model— GT50

GT50

2 generations1972 - 1981·Off-road

Yamaha GT50 1979-1981

About generation 3M7

1979-1981

Years: 1979 - 1981
Frame codes: 3M7
Class: Off-road

Specifications

10 groups

General

3

Market: Japanese domestic (JDM)
Model code: 3M7
Manufacturer: YAMAHA

Engine

15

Bore: 40 mm
Cooling: Air-cooled
Power: 5 hp
Fuel type: Regular (low-octane)
Power RPM: 8,000 rpm
Stroke: 39.7 mm
Cylinders: 1
Torque RPM: 7,000 rpm
Fuel system: Carburetor
Engine type: 2-stroke
Torque (kgf·m): 0.47 kgf·m
Lubrication: Separate oil injection (2T)
Cylinder layout: Single cylinder
Displacement: 49 cc
Compression ratio: 6.9

Transmission

11

Type: Return shift
Gears: 5
Clutch: Wet multi-plate
Chain size: 420
Shift type: Foot shift
Final drive: Chain
Gear ratios: 3.25 / 2 / 1.428 / 1.125 / 0.961
Rear sprocket: 43
Front sprocket: 12
Primary reduction: 3.578
Secondary reduction: 3.583

Chassis

16

Frame: Semi-double cradle
Rear tire: 2.75-14
Front tire: 2.50-15
Rear brake: Drum (leading-trailing)
Front brake: Drum (leading-trailing)
Rear rim width: 1.4
Rear tire type: Tube type
Front rim width: 1.4
Front tire type: Tube type
Rear shocks: 1
Rear suspension: Swingarm
Front suspension: Telescopic fork
Rear ply rating: 4PR
Front ply rating: 4PR
Rear tire construction: Bias
Front tire construction: Bias

Dimensions

9

Trail: 69 mm
Width: 705 mm
Height: 940 mm
Length: 1,675 mm
Rake: 26.5 °
Wheelbase: 1,065 mm
Seat height: 685 mm
Ground clearance: 180 mm
Turning radius: 1.7 m

Weight

2

Dry weight: 64 kg
Seats: 1

Capacities

2

Fuel tank: 5.7 l
2T oil tank: 0.8 l

Electrical

7

Starter: Kick starter
Ignition: CDI
Spark plug: B7HS
Spark plugs: 1
Battery capacity: 6V 4Ah
Taillight rating: 17W/5.3W
Headlight rating (high): 25W/25W

Instruments

1

Speedometer: Analog

Performance

5

Range: 456 km
Rear tire pressure: 2.25 kgf/cm²
Front tire pressure: 1.5 kgf/cm²
Measure standard: At 30 km/h
Fuel economy: 1.3 L/100km

Current model lots at auction