hi thanks for the reply yes i did the decarbon on exhaust.i took silencer off run up hill lots better! decarbon inside with torch put back on same thing.wont pull on hill or rev up unless i remove muffler. pulled one off other ped that runs fine still no pull.why does it only pull with muffler disconect? do i need to get bi pipe dont want the noise.larry?
Re: jetting a puch newport?
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