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  1. 7

    old tilt pump issues

    Ok, I've been having issues with my tilt pump for years. It goes up (out) perfect, does not want to go down (in). Pump motor runs, oil level is good. I pulled the hyd lines off the cylinder and had a helper push the out button, good flow out of one line. Pushed the in button had flow out of...
  2. 7

    Rebuilding Trim cylinders (MC-1)

    I bought the o-ring kits for these and had a couple of questions. I watched a you tube video on the disassembly so that I wouldn't screw things up. When I pulled the shaft out the end piece stayed in the bottom of the tube, according to the video, if that happens you can't get them out. Is...
  3. 7

    outdrive goes up but not down

    My outdrive will raise fine, but when I try to lower it, the pump runs but the drive does not move. The only way I can get it down is to let it settle overnight (yes I have ram internal leakage) or have someone push the button and push down on the drive. I don't even know where to start. TIA...
  4. 7

    Have you heard of this before?

    I finally got my boat in the water this year (after 3 years of tinkering). I know that I get water in the oil when on muffs, wanted to see what happens when in the water. I know that was a irresponsible decision but the boat only cost me $350 and a new manifold is $500 and a motor is more than...
  5. 7

    controlling plane (I think)

    I've had this boat for 3 years, it was, and still is, a project boat. I just got it in the water for the first time and although it ran great, when I accelerate the bow almost stands straight up. It'll do this until I pick up some speed and then it levels out. I'm sure this sounds normal but...
  6. 7

    Cushion/pad removal

    Hello everyone, I couldn't find a specific site for upholstery questions. My boat has cushions and pads attached to the walls, how do you remove these? I had one that was in really bad shape, the wood was rotten. I couldn't find screws from the backside and when I pulled it off the screws...
  7. 7

    Small parts help

    I have a 77 Mercruiser 165 that I've been tinkering with for years. I'm getting ready to put it in the water for the first time (for me anyway) and I'm buttoning up a few loose ends. For some reason I cannot find a couple of the nylock nuts that I took off when adjusting the shift interlock, I...
  8. 7

    Tilt issues

    If this is in the wrong area I apologize, please move to the correct one. I can raise my drive but I can't lower it (it will lower itself overnight due to gravity (leakby), however I don't want to launch my boat and have to wait hours for the drive to lower enough to run. It could possibly be...
  9. 7

    Water flow help

    I just had my lower drive rebuilt and I installed the two halves, went to put water in it for the first time. I hooked up my muffs and turned on the water, but did not start the engine, shouldn't i have gotten water flow up through the engine? I have the water hose to the manifold disconnected...
  10. 7

    Ignition help

    Ok, getting ready for boating season. Went to start it up and no fire. I still have the points and condenser, haven't worked with these for about 20 years. I'm pretty sure it's time for a new set. One of my questions is can I use automotive parts (its a Mercruiser 165, same as a Chevy 250)...
  11. 7

    drive shaft removal

    Will the gear housing drive shaft pull straight out after removing the water pump assy? Thanks.
  12. 7

    Exhaust shutters

    On my '77 MC 165 the intake and exhaust manifold are combined, at the aft end there is a "riser" that comes off the manifold does a 180* and connects to the bellows (I think). My question is; is that where the shutters are located? I'm getting water in the oil and want to check that first. If...
  13. 7

    Parts help please

    Hello All, I have a Mercruiser MC-1 drive and I need to find the gaskets to put it back together. I'm looking for the gaskets that go inbetween the upper and lower drive (plus the waterpump p/n) and also the the gaskets between the drive and the bellhousing. My searches weren't sucessful. Thanks.
  14. 7

    Mercruiser 165 vs. Chev 250

    Are the parts interchangeable? If I need a new motor can I just install the Chevy motor? Head?? Thanks!!
  15. 7

    Changing user name

    I would like to change my user name as I mistyped the one I have, how do I do that? Who do I contact? Thanks. John
  16. 7

    Trim Position Sender

    Ok after researching this a bit I believe the sender on the Stbd side is the position sender and the Port side is the limit switch, correct? My boat does not have a position indicator on the dash but has the sender installed with wires, which is where I come to my concern. The wires are...
  17. 7

    Outdrive won't stay in travel position

    When I put my outdrive in the travel position it slowly sinks to the drive position. I'm talking less than a day. Would that be a hydraulic cylinder problem or a hydraulic pump problem? Thanks. (Info in Sig)
  18. 7

    Pulling drive Lower half

    Do I need to drain the oil before i separate the upper and lower halves of the drive? On these older boats, where is the speedometer pickup? Thanks.
  19. 7

    New guy with problems (boat, not personal)

    Hello All, Just bought my first boat, engine runs fine when in neutral, dies when put in gear. Don't know anything so lots of help is needed. Engine is MCM 165 4652940 and drive is Mercruiser 165, 1.65R, 4671777. Also if I try to start the engine in gear it won't turn over but starts right up...
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