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Posts by KeithTurk

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1972 cb 350 engine compression engine overhaul piston rings
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K

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#2 ·
You've hurt that hole.. that's fairly sure....

you can put some oil in the cylinder and see if it marginally raises the compression... ( the oil will seal the rings momentarily )

If it raises it, then it's normally a valve seal issue...

K
 
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