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Honda 400ex - Piston Ring Question


Khoranic

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The top ring should have a copper color with a chrome ring face. There will be a little "N" stamped near the end gap. The N has to be facing up. The black ring is the oil scraper ring and it goes in the 2nd groove. It also has to be installed with "N" facing up. If you don't put the "N"'s up, your bike will scrape oil into the combustion chamber instead of into the lower end and you will burn up your oil and risk a seizure.

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