Mercury 5 HP

lilvolfan · Jul 18, 2017

What should the compression be on a 1992 mercury 5h 2 cycle be
Thanks

fastjeff · Jul 18, 2017

120 is nice.

Jeff

lilvolfan · Jul 19, 2017

fastjeff said:
120 is nice.

Jeff

I have tested it at cold pull and it read 92 to 94. Just changed water impeller ( old one had no fins left on it) took boat out and ran great. Will the compression b alright at that reading?

Mercury 5 HP

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Mercury 5 HP

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