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  1. K

    How Do I remove the Thermostat from the Housing, Ford 5.8

    How do I remove the thermostat from the housing on a 91 Ford 5.8? The shop manual only says, "The Thermostat is held in place with an O-Ring. Pry the O-ring out of its groove, then lift the thermostat out of its housing." The inside of the housing is a bit rusted, and it is hard to see the...
  2. K

    Overheating Possibly Caused by Restricted Thermostat Housing Port

    1991 Four Winns 200 with 5.8 L Ford V8 and OMC OD. I was cruising the harbor on Sunday with friends and noticed overheating at the port exhaust elbow. The engine temp gauge was only slightly above the midpoint, so it was approximately 172 Deg F. The starboard elbow did not seem as hot. I was...
  3. K

    How Can I Prevent Fouled Spark Plugs When Running at Idle for a long time?

    How can I prevent fouled spark plugs when running at idle for a long time? Better yet what can I do to clean the plugs without removing them? I've been having a great time cruising in my local harbor, looking at the Christmas lights on the houses along the harbor. The problem is, when...
  4. K

    What do you Recommend for Beautifying a Teak Swimstep?

    My 1992 Four Winns Horizon 200 has a nice Teak swimstep. It does require regular maintenance to have it looking its best. I have used Teak Oil and occasionally Teak cleaner and then Teak oil. I did not use the Teak oil this time, so I do not have a picture. I did not use any varnish this...
  5. K

    Sealing the U-Joint Bellows watertight on an OMC Cobra

    On an OMC Cobra getting a watertight seal on the U-Joint bellows is critical. If water gets in the bellows it gets onto the U-joint and the gimbal bearing. Those items can quickly rust, resulting in expensive and complex repairs. (Believe me, I know!) The forward end of the bellows is sealed...
  6. K

    Is this Water Pump to Gear Housing Adapter Installed Correctly?

    This is part of the "Upper Gear Housing Unit" per the Crawley Marine diagram. See picture: I do not have a press, so I installed the Water Pump Adapter Seal, # 47 into the Water Pump to Gear Housing Adapter, #45 by tapping it into place with a socket and a hammer. I think it was fully...
  7. K

    Installing Water Hose at the Transom - Drain Hole

    While working on the boat and OD, I get to a section about the water hose that I do not understand. This is on a 91 OMC Cobra. I have multiple manuals, including the Clymer (No judging). I also have an original factory manual. The Clymer manual page 463 section 13 is about reinstalling the...
  8. K

    Installing the New Version of the Bell Crank With the Grease port

    I'm installing the new version of the Bell Crank with the grease port. It has a hole drilled through it to allow you to grease it through a Zerk fitting. I have to remove the plug that is in the Pivot Housing. Any tips on doing that? I could drill it out. It will have to be a water-tight seal...
  9. K

    How Do I Install the New Version U-Joint Bellows?

    OMC Cobra, 1991 motor. I am replacing the U-Joint Bellows. The new version is very stiff. Any suggestions on installing it? I have the forward end in place in the filling and I'm trying to force the aft end through the Pivot Housing. Thanks
  10. K

    Help - I sheared off the bolt holding the Shift Lever on the Bell Crank!!

    Help! I screwed up! I was putting the Bell Crank back on the boat and was tightening the bolt that holds the shift lever on the bell crank. The original OMC Shop Manual said 5-7 ft -Lbs. I was using a torque wrench. I got to 5 Ft-lbs and was going just a little more… The bold was sheared off...
  11. K

    Can I Prevent Corrosion and a Stuck Gimbal Bearing?

    What are some ways to prevent corrosion and a stuck gimbal bearing? I had to fight a stuck bearing that took a lot of effort to remove. See the post titled "How Do I Remove a Stuck Gimbal Bearing" I know, there should not be any water on the bearing and then there would be a lot less...
  12. K

    How Do I Remove a Stuck Gimbal Bearing?

    I could use some suggestions for removing a stuck gimbal bearing. Water got into the U-Joint bellows and onto the bearing and it rusted. I did not think that the rust was that extensive because the boat was running fine but had a slight rumble in the bearing. The water getting into the bellows...
  13. K

    Is There a Repair Kit for Corrosion on the Gymbal Housing?

    Is there a repair kit for corrosion in the gimbal housing? I have some corrosion on the Gimbal Housing where the U-Joint Bellows attaches. In order to get a water tight seal I will need to repair it. Have any of you done that repair?
  14. K

    Can I Tell if Water is Getting into the U-Joint Bellows?

    Can I Tell if Water is Getting into the U-Joint Bellows without taking the OD off? I have to replace the gimbal bearing due to water getting into the U-Joint Bellows. I may also have to replace the U-Joints as well. That was caused by a clip from a grounding strap getting loose and wearing a...
  15. K

    Did Water Get Into My Gear OIL?

    I know water got into the U-Joint Bellows. I have taken the OD off and can see the rust on: The gimbal bearing and on the U-Joints. The question is: Did water get past the seal in the bearing carrier and into the gear oil? I drained the oil and it is blueish-green. See the pictures below. What...
  16. K

    Is there a way to check for a leak between Transom and OD?

    I just pulled my OD, an OMC Cobra. I have a leak and a vibration. Water was getting into the U-Joint bellows. That caused rust on the U-Joint and damage to the U-Joint bearing. (there is another post about that called XXX.) I thought that I was careful to prep the surfaces well last time. I...
  17. K

    Changing the U-Joint on an OMC Cobra Out Drive, OD

    I will be changing the U-Joint on my OMC Cobra Outdrive. Water got into the OD and rusted the U-Joint and the bearing. (See Figure "Rusted UJoint") I will either take the OD to a shop and have them replace the U-Joint and perhaps overhaul the OD OR Buy the U-Joint assy and install it myself...
  18. K

    Removing OD Out Drive - It is Stuck

    I'm removing my OMC OD from my 92 4Winns Horizon 200 to replace the U-Joint Bellows and the bearing. The problem is that the OD seems to be stuck. I have removed all 6 nuts and the actuator pivot pin. I plan on replacing the bellows and bearing due to a leak and vibration. The leak could have...
  19. K

    No lights on the Trailer there is but power at the Wires

    No lights come on on the trailer!! I have checked that I have power in the harness. There are 3 connections: From the round plug at the back of my 4Runner, all signal good: Tail lights and both right and left turn signals. That harness only goes about 2 feet and then through another 4 pin...
  20. K

    Installed new Trailer Bunk Guide-Ons and Carpet

    I installed new bunk guide-ons and carpet on the trailer for my 20 ft Four Winns. The carpet on the guide-ons was very worn and coming apart. I did this with the boat on the trailer. That meant I had all my tools, a work bench, power, and I could do it over a few days etc. That worked out much...
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