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Old 01-10-2009, 07:10 PM   #1
buzzman93
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Talking Port Polishing???
I have to install a set of .10 over pistons in my 2003 Polaris 550 fan classic. Should I take my die grinder and polish the ports on the cylinders while I already have the jugs off? Anything to gain on this or am I just asking for tunning problems, etc??
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Old 01-11-2009, 08:54 AM   #2
idooski
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The only port you should polish is the exhaust port. Any other polishing would be asking for trouble.
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