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1957 Simplex Automatic specifications, pictures, reviews and rating
1957 Simplex Automatic. Picture credits - suprememotos.com. Submit more pictures.
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|Engine and transmission|
|Displacement||130.0 ccm (7.93 cubic inches)|
|Engine type||Single cylinder, two-stroke|
|Power||4.0 HP (2.9 kW)) @ 5000 RPM|
|Bore x stroke||50.8 x 64.3 mm (2.0 x 2.5 inches)|
|Fuel control||Overhead Valves (OHV)|
|Transmission type||Belt (final drive)|
|Clutch||Variable speed automatic|
|Chassis, suspension, brakes and wheels|
|Front suspension||Leading link|
|Rear brakes||Expanding brake (drum brake)|
|Physical measures and capacities|
|Dry weight||61.2 kg (135.0 pounds)|
|Power/weight ratio||0.0653 HP/kg|
|Wheelbase||1194 mm (47.0 inches)|
|Fuel capacity||9.46 litres (2.50 US gallons)|
|Update specs||Report missing specs or required updates.|
|Maintenance||Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com.|
|Ask questions||Join the 57 Simplex Automatic discussion group or the general Simplex discussion group.|
|Related bikes||List related bikes for comparison of specs.|
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