Can anyone tell me the difference between the two puch cylinders? The book list an aluminum-chrome cylinder and a High Torque cylinder. Are they both aluminum chrome or is the high torque have cast iron composition. I believe my 1978 Puch has the High Torque but I am not sure.
Mine HT 2hp has what looks like cast iron.
I was told to count the side fins on the cylinder head: 7 fins was the stock cylinder, 8 fins the hi torque, 9 fins the Magnum head. Is that correct or too simplistic? Anyone know?
different porting .....one is the 2hp motor. one is the 1.5 and 1.0 hp motors
also, on the 2hp motor the piston skirts are alittle shorter , a couple of mm*s.....more radical port timing so more hp
just my 2 cents
Thanks all for the info. I had a feeling the porting was different.
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