Engine build

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ok well i plan to keep the bike even if i just give it to my girl to ride but it just needs a little more power or a lot more but without splitting the cases
 
also are there any tips for break in and proper cam install? is a .450 lift too much or would a .390 or .430 be better?
 
also are there any tips for break in and proper cam install? is a .450 lift too much or would a .390 or .430 be better?

Run it at about 2000 rpm for I think they say 30 mins.. basically making sure good oil pressure is going to the cam. Then re-set valve lash.
 
so you put it back together, run 2000 rpm 30 min, take valve cover off and re-adjust valves?
 
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