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    Optimax low oil warning

    Hello, I have 2 150 optimax dfi (yr.2000) motors. When I first turn either key on I get the 4 beep warning meaning check oil. I have read the service manual and have made sure that the onboard tanks are full and the canister on both engines are full as well, like the manual suggests I loosened...
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    Orange gunk blocking my fuel from motors

    I have a serious problem with an orange colored product coming out of my gas tank in my fuel lines. This orange (organic) gunk is clogging up my gas lines as it travels from the tank to my mercury optimax 150's. It looks like glass until you rub it between your fingers and then it breaks down to...
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    Optimax repair code 13

    Hi everyone, I have a question about my mercury optimax's.. I have a boat with dual mercury optimax 150's... when I start the one on the left side it beeps one long and three shorter beeps. (the one on the right just beeps one short and seems to be without problems..) This continues to happen...
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