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  1. K

    merc inline 6 1150 trim pump rebuild

    Merc 1150 inline 6 SN 641xxx, with an in boat trim pump. I noticed my trim pump was smoking when in use so i decided to take it apart and found some serious issues. The brushes are completely gone and have worn a large groove into the commutator, not to mention caused a large amount of debris...
  2. K

    Propping for skiing

    Looking for options on how to improve acceleration in order to pull a slalom skier and barefooter. Boat is a 16 ft Baja Sport with a closed bow, and 1985 merc inline 6 115 on the back, with a usual load of 4 people. With a 19 pitch 3 blade aluminum, turns 5500 at 48 mph gps. - 1 person With a...
  3. K

    Merc inline 1150 Rough idle and water intrusion

    I was able to get the transfer cover off number 3 and 4. #3 was fine, the pictures are of number four. Definitely looks like an oversized piston is in order.. Is there any shop or person that does cylinder boring or have ring compressors for these motors in the Lower Lake Michigan area (...
  4. K

    Merc inline 1150 Rough idle and water intrusion

    1983 Merc 1150 inline serial number 641xxx. Bought it last year with 120psi on all cylinders, ran almost 50 mph if you feathered the throttle at start up, but would constantly die at idle and in gear idle. I figured that it was a link/sync or carb issue. Ignition checks out all good after...
  5. K

    1983 Merc 115 Inline Trim Bleeding Issues

    I have a 1983 Merc 115 inline SN # 6411738 with dual cylinders and onboard pump. I purchased the boat last year and the hydraulic lines were torn so I replaced them, then followed the procedure to bleed them. This was after running multiple cycles with the vent screw off and adding fluid as...
  6. K

    Bayliner 5.0 way under propped?

    I believe I am having some issues with under propping on my Father’s boat. It is not the original prop, it was replaced about 11 years ago by a local marina. Not sure if they replaced with whatever they had or same as original. Also, not sure if they installed the wrong prop or has something...
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