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  1. M

    Bad Tach?

    I have already searched the forums for my issue and I didn't find it. I suspect that my tack is reading wrong. I checked to make sure it was set correctly and I believe it is. I have a 95 Merc 115 HP 4-cyl 2-Stroke outboard and the setting should be at 6P, correct? The max cursing RPM for...
  2. M

    Fuel Octane Rating?

    What harm could be done to an outboard motor if you run 92 octane instead of 87 octane?
  3. M

    Merc 115 Hesitation/Rough Idle

    When my 95 Merc 115 is cold, it will idle fine and it starts will out any issues assuming you remember to pump the fuel bulb :D <br />Anyway, once the motor warms up, it will idle very rough, and the idle speed drops from ~2000 RPM to ~1300 RPM. The motor shakes and acts like it is missing...
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