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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ET35 to valve guide clearance
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<blockquote data-quote="timetraveller" data-source="post: 126655" data-attributes="member: 456"><p>David is correct and it is a bit of a can of worms. It not only depends upon the static figures but also how aggressive the cam is and what valve springs are being used and are they still in good order. If the time and interest is there then I would still recommend checking valve head to piston clearance as well. I suppose we should have asked whether the engine is going to be raced or subjected to high revs for some other purpose. If the owner is not going to exceed four thousand revs and the springs are in good order the there is probably nothing to worry about anyway.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 126655, member: 456"] David is correct and it is a bit of a can of worms. It not only depends upon the static figures but also how aggressive the cam is and what valve springs are being used and are they still in good order. If the time and interest is there then I would still recommend checking valve head to piston clearance as well. I suppose we should have asked whether the engine is going to be raced or subjected to high revs for some other purpose. If the owner is not going to exceed four thousand revs and the springs are in good order the there is probably nothing to worry about anyway. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ET35 to valve guide clearance
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