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i have a late 80's model evinrude 200xp,,how much compression should i have on each of the 6 cyl.?? whats a low compression number i should be worried about?? i know a new motor should have high compression but how about a used motor??
i havent checked it yet,,i am going tommorrow and buy a compression tester and will post them..i just didnt know what was a good compression or a bad compression number...sorry if i offended some of you guys,,you have to remember im a newbie here just trying to learn what i can from you guys.....
Red.... The difference in the psi reading between banks is due (according to factory reps) to the design of the crankshaft throws. Frankly I don't think they know either. It just seems to be the nature of the beast so to speak.
Gary.... We don't get offended, we're just insistent so that we can reply with facts.
Red.... The difference in the psi reading between banks is due (according to factory reps) to the design of the crankshaft throws. Frankly I don't think they know either......
I haven't seen that difference on mine ('90 200 HP). I've got 80 to 82 PSI on all cylinders.
It's apparent that "greater than 100 PSI" is just an old wives tale when it comes to these engines. I may not have as much experience as a lot of folks here, but I've yet to hear of a stock V6 looper with 100 PSI compression readings.
