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Discussion Starter · #1 ·
Bought this bike a few months ago and I know nothing about its previous motor work. It was leaks anifreeze at the back side of the head gasket so Ive tore it down to fix it. Found out it has a Athena big bore kit in it and I want to go back to stock so I ha e a more reliable ride. What all can expect to have to change when I do this or what is some opinions as I go forward.
 

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What year is the bike? Obviously it has had a rebuilt top end, but it may not end there. First gen models pretty notorious for locking up crank even, so bottom end could not be OEM as well.

How are you liking it? Is it your first 450 ?
 
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