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    Oil leak from outdrive

    I have a 5.0 merc i/o alpha, 2005, closed cooling engine efi. with 61 hours on it. s/n ow320169 ow199153. OK im new at this so i might label things wrong but im learning. I lowered the out drive from trailer possition and then about a half cup of green oil came out the water intake holes. So ive...
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    how to set trim senser?

    Have a 2005 merc i/o 5.0 ow320169 efi, alpha. I brought the boat home and the trim was full up. Becasue the trim gauge wont read I found the trim senser (sensor on the curb side) was out of adjustment so I set it to read the gauge about right. now the trim wont go up for trailering. I dont have...
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    warning horn not working?

    I have a 2005 5.0 merc i/o Question, Im I right? . . . when you turn the start key to on do you hear the "warning horn" beep which is a test of its working condition? I dont get a beep, Ive tested the beeper and it works, check all the wiring back to the motor and it looks good. Anybody know of...
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    which coolant to use

    New to boating, I bought a used 05 boat with a 5.0 mercruiser which has a heat exchanger I guess thats called a "closed cooling system" the coolant recover bottle is at full but the collant level in the exchanger is below filler neck and what little I see in the tank looks like water (no color...
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