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  1. J

    One click and then nothing - won't even try to turn over

    My boat sat for a month while being repaired. Repairs completed today. Today is first time tried to start it up in 30 days. When tried to start it up, turned key and sounded like starter was struggling to turn over. But did not turn over. Now, only hear one click then nothing. I checked...
  2. J

    Replacing prop shaft - require removing lower unit?

    1988 OMC 5.0L - I/O To replace the prop shaft... does it require removing the lower unit?
  3. J

    Engine oil change - 1988 OMC 5.0L

    I have 2 very newbie questions. About to change the engine oil on 1988 OMC 5.0L. Question 1 - is SAE 30 the correct oil weight? Other suggestions for oil to use on an older engine? Engine most likely has some worn rings. Question 2 - is this where the oil is added - see photo. Do you split...
  4. J

    Steps for replacing ‪OMC Trim Pump‬ & Motor?

    When replacing an ‪OMC Trim Pump‬ & Motor, should you start with outdrive at In/Down position or Up/Out position? Does it matter if outdrive is at In/Down position or Up/Out position before I disconnect lines and remove old Trim Pump & Motor? Wondering if the fix will simply require...
  5. J

    OMC Stern Drive suddenly won't raise up

    My 1988 Four Winns Horizon (5.0L) OMC stern drive won't raise. Motor will whir and it will lower, but when I try to raise it all I hear is a clicking and the drive won't go up. Was working fine until today. I don?t know where to start. I?ve seen similar threads on this topic. But I don?t want to...
  6. J

    Time for carb cleaning and rebuild?

    Recently replaced the fuel pump. When I pulled the clear plastic site tube off the old fuel pump, I found the connector at the fuel pump clogged. Picture attached shows where it was clogged and what it was clogged with. I'm guessing the only way this junk could get into the full pump is from the...
  7. J

    Power steering shutters when turning wheel -- 1988 Four Winns

    Power steering shutters when turning the wheel. This happens while engine is running, Shuttering happens in both neutral as well as in drive. Also happens while running engine on muffs - when out drive is out of the water - in neutral. 1988 Four Winns Horizon OMC 5.0L OMC502APRGDP Just...
  8. J

    Newbie question -- fuel filter install - which direction?

    Replacing the fuel filter in a Rochester 2 barrel marine carburetor. I did not pay attention when I removed the old fuel filter. Which direction does the hollowed end face (see picture)? Hollowed end out toward fuel line or in toward carb? I am so grateful to all the great help this forum...
  9. J

    1988 OMC502APRGDP -- Boat shutters and shakes when turn wheel

    1988 Four Winns Horizon -- OMC502APRGDP While crusing, boat shutters and shakes when turn wheel -- only when wheel is turned.The shutters and shakes stop as soon as stop turning wheel. Just replaced the power steering cylinder and actuator. Maybe just needs to bleed more? Other?
  10. J

    Engine stalls at idle speed -- hole in choke heat tube coming off the manifold.

    I have a 1988 Four Winns Horizon 200 -- quite the project boat :) OMC 502APRGDP Carburetor Info - Rochester R2-MRIN2 (#17059060) Engine will turn over and stays running at a higher RPM but dies out at idle speed - 800 RPMs. If I throttle up to 1,000 or 1,200 RPMs, engine stays running. But...
  11. J

    After power steering cylinder install, engine dies out at idle speed.

    I have a 1988 Four Winns Horizon 200 OMC502APRGDP Just finished replacing the power steering cylinder and actuator. During installation, the connector in the picture came apart. And since the install, I am experiencing the problem detailed below... Trying to figure out if this connector (in...
  12. J

    Newbie question - what is this?

    Newbie looking for help learning more about engine. I have a 1988 Four Winns Horizon 200. OMC502APRGDP What are these (see pic)? The wire in the cluster of three, the one on top (cleaner one) keeps disconnecting. Trying to figure out how to plug the two together to get a more secure...
  13. J

    1988 OMC 502APRGDP I/O - bleeding power steering cylinder/actuator/lines

    Just finished installing a new power steering cylinder and actuator. What's the process to bleed the power steering? Add power steering fluid to power steering pump and turn wheel at helm all the way to one side then all the way to the other - many times- with engine off?
  14. J

    1988 OMC 502APRGDP -- Problem removing pin connecting clevis to steering arm

    Hi- 1988 Four Winns Horizon. OMC 502APRGDP. I need to replace the Power Steering Cylinder and Actuator. I have all lines and hoses disconnected. I have all bolts and pins removed except one. The pin that connects the clevis to the steering arm is rusted and wont move. I removed the cotter pin...
  15. J

    Help finding replacement parts -- please see images attached

    Hi- I am trying to find replacements for the 2 brackets pictured. Looking for help identifying the part names so I can search eBay or other sites. Parts are from a 1988 Four Winns Horizon - used to attach bimini to the aluminum side windshield frames. Thanks in advance for any help.
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