babache8 wrote:Is it a PUCH engine in photo? I recognize the system of 2 pistons with a common combustion chamber, but not the low engine. My grandfather had one, there is ........ 50 years, but has air cooling.
It was the bike Puch 125 cc of the brother, motor equicurrent. A crankshaft, 2 connecting rods, 2 pistons, 2 cylinders but a cylinder head, 1 exhaust 1 intake. Two super-wide saddles that resembled the stamped sheet metal seats found on the very old farm equipment ..... A very wide handlebars and the instructions proudly said "Motorcycle with a distinctly sporty character"! It had to go up to 75-80 km / h odometer.
The original carb was dead and therefore replaced by the famous Dell Lorto 19 mm. The HT coil had burned out and replaced with an HT coil of 2CV .... The noise was more in the "Doug Doug" than the "Poum Poum"