Search results

  1. P

    Hot Mercury 150

    My 1991 Mercury oil injected 150 hp motor heats up under hard running conditions. The boat sat for about 6 months and when I used it the engine would slowly creap up until the warning buzzard sounded. After backing down on the throttles a little to about 3K rpm the engine cooled down but if I...
  2. P

    Extreme Smoking

    I have twin 150hp 1991 Mercury on my boat. Both engines run fine but recently my starboard side engine started to run slightly different (a little rougher). The same engine now smokes an extreme amount when I first fire it up. For about 5 minutes in burns an incredible amount of oil much much...
Top