how do u modify your stock head to 70cc. I thought about grinding it flat but i wasn't sure or do u weld metal on. This is for my 78 puch maxi with e50 enginge and the kit is the 70cc athena non reed valve.
how do u modify your stock head to 70cc. I thought about grinding it flat but i wasn't sure or do u weld metal on. This is for my 78 puch maxi with e50 enginge and the kit is the 70cc athena non reed valve.
or does any one now if the puch hc head works the way the head is it only makes 1mm of contact so i cant build compression 2stoke i can get it to run but i need compression 8mph is my top speed
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