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mc18 piston ring gaps


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dunkenb

 
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1989 Honda NSR250 MC18
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mc18 piston ring gaps

Thu Jan 31, 2008 9:24 pm » Post: #1 » Download Post

in the workshop area it show's all the ring gaps except those for the mc18, anyone know what they should be or don't i need to adjust the gap?????? Question
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StephenRC45
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Thu Jan 31, 2008 9:29 pm » Post: #2 » Download Post

The spec for the '21 will be fine.
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mick

 
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Re: mc18 piston ring gaps

Thu Jan 31, 2008 9:30 pm » Post: #3 » Download Post

dunkenb wrote:don't i need to adjust the gap?????? Question


Adjust?

Ring gap is not variable. At a guess it will be the same if not very similar to the 21.
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StephenRC45
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Thu Jan 31, 2008 9:32 pm » Post: #4 » Download Post

You can still adjust the ring gap with a thin oil stone if its to tight which isnt too uncommon on replated bores.
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dunkenb

 
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Thu Jan 31, 2008 9:36 pm » Post: #5 » Download Post

cheers, i'll go by the 21 specs when i put the new rings in.
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