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150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
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Piston rings
Does anyone know the right gap for the rings on a 57mm piston.I just got my new rings today.
Last edited by Socal559; 08-07-2010 at 12:16 AM. |
#2
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.008-.009" is a good gap. "Rule of Thumb" for ring End gap is .004" /1.00"(25.4mm)
Sometimes special alloy ring composites will come with their particular specs, follow them. But if in doubt, .004"/1.00" will get you home and yeild many miles of carefree riding...
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kliff |
#3
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Thanks alot Kliff, that's what I needed to know.
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#4
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No problemo. Glad to see rings being gapped, too many guys playing Russian Roulette, with the "Plug & Play" technique.
Check a set yesterday, .002 & .003" out of the package. 1 or both would have broken on the first good heat up, WOT run...
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kliff |
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