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  1. M

    OMC stern drive threaded drain plug port side

    1990 OMC stern drive on Horizon 220 Four Winns, 260hp engine. I was changing my stern drive oil today and mistakenly removed a screw that was about 3/4 inch diameter from the top, port side of the stern drive. The hole gives access to the water housing around the gears and looks a little like...
  2. M

    Mercruiser shifting problem

    1988 Sea Ray with 260 hp Mercruiser 5.7L eng. Has not been in water for about a year - recovering from cancer. Took out for first time this year and shifting into forward and reverse worked fine. Skied for about 45 minutes with a few stops and starts, in and out of forward/reverse just fine...
  3. M

    Mercruiser bogs and misses at high RPM

    1988 Sea Ray with 260 hp Mercruiser 350 GM 5.7L eng. Thunderbolt IV Ignition. Was skiing today and it comes out of the hole just fine for about 3-4 seconds and when it gets above 3500 RPM's it starts bogging down. If you keep it at full throttle, it will run up to 4000 rpm or above and then bog...
  4. M

    Trim pump overflowing when trim down

    1988 Sea Ray with 260 hp Mercruiser 350 GM 5.7L eng. Trim system has an Oildyne/Singer pump. Boat has been winterized and sitting all winter. Just got it out and started engine and ran trim down. As I ran the trim down, the oil was spewing up through the plastic resrvoir cap (has vent hole in...
  5. M

    Mercruiser starting problem when warm

    1988 Sea Ray with 260 hp Mercruiser 350 GM 5.7L eng. Thunderbolt IV Ignition. Starts great and runs fine until at operating temp for about 10 minutes. Turn the engine off and when try to restart, get nothing - no clicks, no sounds, nothing. Cools down for about 10 minutes and starts great...
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