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  1. #26

    Default Re: 1988 Johnson 9.9 Carb issue.

    I already took the new one off. I will test it next again once I get everything running consistent. I really want to replace that top.

    I found one at ***************** and I am wondering if this one is compatible with my carb. I have a 1988 9.9 plastic top carb with the screw in cam roller stud. This one has the molded stud. Can anyone verify that these are interchangeable?

    Link to new top ($100) and new roller cam is $15. Anyone know?

    Evinrude Johnson OMC 0433973 - Carburetor Cover Kit @ *****************

  2. #27

    Default Re: 1988 Johnson 9.9 Carb issue.

    I ended up purchasing the new top. I spoke with a person on the phone who assured me they are compatible. I also ordered a new cam, roller and bracket to replace my broken sleeve.

    Progress!

  3. #28
    Petty Officer 2nd Class
    Join Date
    Mar 2013
    Posts
    190

    Default Re: 1988 Johnson 9.9 Carb issue.

    Oh, one other thing. You said you replaced the fuel lines on the motor but what about on the tank? After a recent thread on fuel hoses I changed all mine and added an inline fuel filter at the end of the tank hose right before it attaches to the motor (very cheap insurance). You could have a nice clean fuel system on the motor but re-shmutzing it with crap from your tank or tank lines. There is a screen inside the fuel pump that could get clogged. You may have clogged the new pump. I wouldn't buy a new carb, you can fix this and learn a lot in the process.

  4. #29
    Cadet
    Join Date
    Jan 2004
    Location
    IL
    Posts
    29

    Default Re: 1988 Johnson 9.9 Carb issue.

    Louisville - sorry about that. I was beat after Sunday night. The top cover kit is $99 - hope you got a better deal i could not find it online any cheaper. Gasket was also in there did most of the rebuild last night. Now to zip it all up.............I'll post on measuring 8 inch pounds on my own thread. Congrats to the Cards.

  5. #30
    Vice Admiral bktheking's Avatar
    Join Date
    Jul 2008
    Location
    Carleton Place, Ontario
    Posts
    5,048

    Default Re: 1988 Johnson 9.9 Carb issue.

    Still alive and well! I didn't burn out, switched hobbies is all. I still have my boat and a couple of motors lol.
    Signature- If you have fuel and spark- Have you checked compression?

  6. #31
    Ensign
    Join Date
    Mar 2010
    Location
    Poland/Białystok
    Posts
    929

    Default Re: 1988 Johnson 9.9 Carb issue.

    i have also plastc top carb on my 9.9 but soon i will swich to old aluminum type carb. much easier to work and easy to find whats wrong

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