Segment: Clasic
Production years: 1915, 1916, 1917, 1918, 1919, 1920, 1921, 1922, 1923, 1924, 1925, 1926
With further changes and refinements this 499cc model remained in continuous production into the post-war years until 1926. It was designated the Model 3 when Marston introduced model numbers in 1924.
SUNBEAM MODEL 3 1915-1926
SUNBEAM MODEL 3 500
| engine specs | Type: | Single cylinder, side valve, air-cooled | Displacement: | 499 cm3 | Bore X Stroke: | 3.3x3.5 in OR 84 mm | Compression Ratio: | - | Horsepower: | / KW(hp)/RPM | Torque: | 0/- lb-ft/RPM OR 0 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: | Single downtube cradle | Front Suspension: | Druid forks | Rear Suspension: | Rigid, spring loaded saddle | Front Brake: | Drum | Rear Brake: | Drum |
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| dimension specs | Overall Length: | - | Overall Width: | - | Seat Height: | - | Wheelbase: | - | Ground Clearance: | - | Weight: | - | Fuel Capacity: | - |
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| tyres specs | Front: | - | Rear: | - |
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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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