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    Mercury 2004 90hp 2 stroke compression

    Thanks, 2004 Mercury 2stroke 90hp 225 hrs Got 95,95,96 PSI compression , 2 mechanics have said all good with these numbers and equal across all three. Took it for a run the other day for 25 mins at 5500 rpm got 30 knots no flat spots through acceleration. Started straight away, no white smoke...
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    Mercury 2004 90hp 2 stroke compression

    What does the SW mean at the end of ELPTOSW. Is there a big difference between power of a Mercury ELPTOSW to a Optimax same year 2004 ?
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    Mercury 2004 90hp 2 stroke compression

    Hi, I have been trying to find out what compression I would expect from a 2004 Mercury 90hp 2 stroke , what is good what is bad pls?
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