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Chainsaw
Slow lately - time for a new oil thread - I have Castor questions
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<blockquote data-quote="abramj" data-source="post: 4953301" data-attributes="member: 116236"><p>Blowing the top end is usually a tuning problem, oil issues would be deposits (too much) or scored cyclinders (too little). A blown top end, or at least what I think, is when there is a hole in the top of the piston. This is mostly caused by heat due to a very lean fuel mix. I'm guessing the group of guys that has suzi's and use 927 were all friends, and they all leaned out the carbs to get more power until, ummm, piston blowout!</p></blockquote><p></p>
[QUOTE="abramj, post: 4953301, member: 116236"] Blowing the top end is usually a tuning problem, oil issues would be deposits (too much) or scored cyclinders (too little). A blown top end, or at least what I think, is when there is a hole in the top of the piston. This is mostly caused by heat due to a very lean fuel mix. I'm guessing the group of guys that has suzi's and use 927 were all friends, and they all leaned out the carbs to get more power until, ummm, piston blowout! [/QUOTE]
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