THE WINNER! 2StrokeWorld Bike of the Month, September 2014
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My bore specialist says 0.003" --SNIP--
My bore specialist says 0.003" (3 thousands) is the clearance he bores too for wiseco pistons (he was pretty firm on that...no question here). You don't want to end up seizing w/ too tight clearance (as many have). Take the top end and pistons off and let the bore guy take a look and see what he says.
Bore specilist = guy that can read the side of a Wiseco box.........
Thanks for the replies guys. I hope the seal isn't bad, I replaced all the crank seals with the exception of the "crank seal o-ring", the rubber o-ring with the woodruff key cut out. I will do a compression check when I get home tonight. Dang, I really don't want to split the cases for a bunk seal. But I don't see why the seals would be bad if they were brand new. Thanks.
I don't think a compression test will tell you much. You need to do a leak down test.
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