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    2011 Mercury Optimax 4 beeps even after changing OIl tank

    I need some help , I have Mercury Optimax 150 that started giving 4 beeps. I had a 100hr service preformed on it and had the oil tank on the motor switched because it was leaking around the cap. Took it to the lake ran it and 4 beeps again, so took it back to Mercury dealer put it on the Dino...
  2. G

    2011 Mercury Optimax 150 4 beeps

    I couldn't find a old thread on my problem so I hope someone can help. I have replaced the old reservoir on the motor with a new one, also changed fuel filter and I'm still getting 4 beeps every 2 minutes. The mechanic ran it on Dino and couldn't get it to beep. Brought back to the lake ran it...
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