Re: 9N compression

In Reply to: Re: 9N compression posted by Tyler on May 05, 2023 at 15:47:39:

You need to run two tests. Remove all four spark plugs and open the throttle wide open. Do a dry test first and record the readings. Put a tablespoon of oil down each spark plug hole and retest and record. If the readings go up on the wet test, it tells you that the rings may be sticking or are worn.

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