After 30 years, I once again own a '72 Penton 125 Six Day. I want to build it into an AHRMA Classic CZ125 beater. I'm looking for advise on who can build me a strong motor. Not just max power, but good performance with some measure of reliablity. And, of course, get whatever needs done to the shifting for smooth action and reliablity. Since I've not been in the Penton loop for so long, any advise would be greatly appreciated. Thanks in advance for your help, Bob.
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