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Yamaha CHAPPY 50 - generations and specs | MOTOVULKAN

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Yamaha
CHAPPY 50

Yamaha · Model— CHAPPY 50

CHAPPY 50

1 generation1973 - 1979·Scooter

Yamaha CHAPPY 50 1973-1979

About generation 439

1973-1979

Years: 1973 - 1979
Frame codes: 439
Class: Scooter

Specifications

10 groups

General

3

Market: Japanese domestic (JDM)
Model code: 439
Manufacturer: YAMAHA

Engine

16

Bore: 40 mm
Cooling: Air-cooled
Power: 3.5 hp
Fuel type: Regular (low-octane)
Power RPM: 5,000 rpm
Stroke: 39.7 mm
Cylinders: 1
Torque RPM: 4,000 rpm
Engine code: 439
Fuel system: Carburetor
Engine type: 2-stroke
Torque (kgf·m): 0.55 kgf·m
Lubrication: Separate oil injection (2T)
Cylinder layout: Single cylinder
Displacement: 49 cc
Compression ratio: 6

Transmission

4

Clutch: Wet multi-plate centrifugal
Final drive: Chain
Gear ratios: 3.833 / 2.107
Secondary reduction: 2.214

Chassis

16

Frame: Underbone
Rear tire: 4.00-8
Front tire: 4.00-8
Rear brake: Drum (leading-trailing)
Front brake: Drum (leading-trailing)
Rear rim width: 2.5
Rear tire type: Tube type
Front rim width: 2.5
Front tire type: Tube type
Rear shocks: 2
Rear suspension: Swingarm
Front suspension: Telescopic fork
Rear ply rating: 2PR
Front ply rating: 2PR
Rear tire construction: Bias
Front tire construction: Bias

Dimensions

9

Trail: 45 mm
Width: 665 mm
Height: 995 mm
Length: 1,615 mm
Rake: 26 °
Wheelbase: 1,050 mm
Seat height: 710 mm
Ground clearance: 135 mm
Turning radius: 1.5 m

Weight

1

Seats: 1

Capacities

2

Fuel tank: 3.5 l
2T oil tank: 1.4 l

Electrical

8

Battery: 6N4-2A-2
Starter: Kick starter
Ignition: CDI
Spark plug: B6HS
Spark plugs: 1
Battery capacity: 6V-4Ah
Taillight rating: 17W/5.3W
Headlight rating (high): 25Ｗ/25Ｗ

Instruments

2

Fuel gauge: Yes
Speedometer: Analog

Performance

2

Rear tire pressure: 1.25 kgf/cm²
Front tire pressure: 1 kgf/cm²

Current model lots at auction