Re: honda hobbit stocko shocko extremo 70cc kit
I put the Pollini 70cc kit in my Urban....But the combustion chamber in the head wasn`t burning the mix. right.....I was like half of the piston wasn`t getting any combustion at all......So I had a spare head and I took the 70cc head gasket and traced the piston hole on the head and opened it up to match the 70cc piston.....Big difference from the way it was without doing the chamber work.....Just an idea....
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