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    90 hp 2 stroke will not go above 5000 RPM

    1989 90 2 stroke mounted on 750 # 17' center console bay boat, motor weight 675 plus 25 gallons fuel, and my weight of 250 # total weight of +/- 1830 #. I am at 3000 feet of elevation. I have two props one 13.8 x 15 pitch that was to be used at 6000 feet and above. One 13.3 x 17 pitch for 3000...
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    90 hp 2 stroke 1998 Merc Poor Performance

    I bought a 1989 Invader 172 (17') Center Console Bay Boat listed at 750 lbs. less motor. It had a 1998 90ELPTO s/n 0G677xxx. It had not been run for 8 years. I check compressor after two days of Sea Foaming cylinders, all cylinders were at 130 PSI. Clean tank (no water). Removed and installed...
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