Puch 250 SGS
The motorcycle was powered by a split-single two-stroke engine (two pistons sharing a single combustion chamber). It was marketed in the US by Sears as the "Allstate 250" or "Twingle".
A total of 38,584 Puch 250 SGS motorcycles were produced between its launch on October 1, 1953 and the ending of manufacture in 1970.
|Puch 250 SGS|
|Engine||aircooled two-stroke one-cylinder double piston|
|Cylinder capacity||248 cm³ (15.1 in³)|
|Bore||2 x 45 millimetres (2 x 1.8 in)|
|Stroke||78 millimetres (3.1 in)|
|Performance||16.5 horsepower (12.3 kW) @ 5800 rpm|
|Torque||16.8 pound force-feet (2.32 kgf·m) @ 3300 rpm|
|High speed||110 kilometres per hour (68 mph)|
|Fuel consumption||30.3 kilometres per litre (71 mpg-US)|
|Fuel capacity||13 litres (3.4 US gal)|
|Weight wet||155 kilograms (342 lb)|
|permissible total weight||342 kilograms (754 lb)|
- Friedrich F. Ehn: Das große Puch-Buch. Weishaupt, Graz 1993, ISBN 3-900310-49-1 in German only