In ardmore ok, I was told they was unstamped Cpi's, and enough to buy a set of used Cpi's, shearer, or something that will work the same
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So........I'm gona say the pipes! And how much are these worth or do u think that I could trade them for a set of inframes? I put them on CL for trade but didn't put a price
Cpi outframe drag pipes, elevation is 954ft in Oklahoma, not sure on jets, 4 deg advance timing key, the cylinders are Siamese 68mm 421cc +4mm 4 Mil Serval Cub Top end
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Just built a 421 4mill it is either all or nothing has no bottom end! If you try to take off has no power unless you rev up and dump the clutch. It has PJ34mm carbs that I bought used. Any ideas? Could it be 2 big of jets?
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Man that must be nice my 421 only has a 288 490 duration lift wish I yas a big cam in my 2 stroke! Hey dmx what size does Urs have
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