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    OMC IO changed upper gearbox rpm to hi, what size prop?

    I have a 1985 OMC Stringer 5.0L. The old upper model 983488 (21/17)was destroyed. I think the lower is a 15/23. I replaced it with a 981060 (not sure of the ratio). I took it out and was able to get RPM past the limit. Speed was in the 28-30. Felt like I was only about 3/4 throtle. Can I...
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    Bendex starting issue on 80's Johnson 150 VRO

    This has been an issue for the last couple years. Sometime the bendex will engage and sometimes it won't. Doesn't seem to be a pattern. I have replaced battery cables. I am on the second bendex. Yesterday it was staying down completely. Had to pry and turn it a bit to get it to go up...
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    Having trouble removing the bearing housing on the lower on 1984 OMC 5.0L outdrive

    1984 OMC 5.0L. I am working the the piece behind the prop. I have loosened the bolts, have not pulled them out of the lower unit. I have moved the puller from slot to slot. Apllied a lot of tork and tapped(pounded) on the top of the puller. How hard should it be to pull this out? Any tricks of...
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    Trying to get the bearing housing off

    I have a 1984 I am trying to get the bearing housing off. I have a puller on it and it is not budging. Am I missing something? I have loosened the 4 bolts inside of the housing. HELP PLZ
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    Still looking for the problem - port side warm other side cold

    I have been trying all the advice you all have been giving. Can someone tell me what year my motor is J150TLCUR/R7495598. Hear are my findings: compression is 80-82 in all cylinders. Tested with a timing light to see that te spark wires are to the right cylinders. Decarbed Have not replaced...
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    How can I find the model number if the plate is scraped off the motor mount.

    I think it is a 1979 150 VRO. I need the model number but is is scraped up and I can't read it. All I see is J150 the serial is ? 7495598 The ? I can't read. Is the model on the motor someplace?
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    What is a good way to check spark?

    I have a Johnson 79 150hp. How do you check if the spark is good. When I pull the wire from the spark plug I can hear it. Thx for the info ahead of time.
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    johnson 79 150 one side cold

    I have a johnson 1979 150. I am testing this out of the water with a hose connection. One bank does not seem to be working. I have check the spark at each spark plug and there is spark. One bank seems to be at normal temperature the other is cold. I have taken the carbs off an cleaned them...
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