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Post by superjew78 on Mar 31, 2018 20:56:36 GMT -5
I am rebuilding the top end of my CF moto 250 and i cant find what the compression ring gap should be. anyone know how to determine this?
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Post by pistonguy on Mar 31, 2018 21:09:54 GMT -5
General rule o thumb fits all can't go wrong .003-.004 per Inch of Bore.
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Freshman Rider
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Post by superjew78 on Mar 31, 2018 21:22:11 GMT -5
ok so a 72 mm bore should be somewhere around a .008 gap
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Post by pistonguy on Mar 31, 2018 22:14:37 GMT -5
ok so a 72 mm bore should be somewhere around a .008 gap In general .008-.009 Minimum.... Don't be at all concerned if you have you have a couple more as your minimum... |
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