Segment: Naked / Road
Production years: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988
The production of the S51 was started in 1980. The most noticeable changes were the use of a completely redesigned, compact engine with a wide range of technical innovations and great variability. With this state-of-the-art 3-horsepower engine with 3- or 4-speed gearbox, A 10% reduction in fuel consumption is achieved, and the noise and exhaust emission limit values
according to ECE are still undercut. Further essential details were a plate spring clutch as well as a completely new kickstarter device.
engine specs | Type: | Single Cylinder, 2 Stroke | Displacement: | 50 cm3 | Bore X Stroke: | - | Compression Ratio: | - | Horsepower: | 3.75/5500 KW(hp)/RPM | Torque: | 4/4800 lb-ft/RPM OR 5/4800 Nm/RPM | Fuel System: | Carburetor |
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transmission specs | Gearbox: | 3-Speed | Clutch: | - | Primary Drive: | - | Final Drive: | Chain |
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chassis specs | Frame: | - | Front Suspension: | Telescopic forks | Rear Suspension: | Roller with spring legs | Front Brake: | Drum | Rear Brake: | Drum |
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dimension specs | Overall Length: | 74.4 in OR 1890 mm | Overall Width: | 34.6 in OR 879 mm | Seat Height: | - | Wheelbase: | 47.6 in OR 1209 mm | Ground Clearance: | - | Weight: | 185 lbs OR 84 kg | Fuel Capacity: | 2.3 gallons OR 8.7 L |
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tyres specs | Front: | 2.75-16R | Rear: | 2.75-16R |
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power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
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