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  1. #1

    Default fuel mixture on johnson 25hp outboard

    I have an old Johnson 25hp outboard motor and don't know the mixture. I also don't know what year it is. Where is the model and serial no.? Thank you

  2. #2
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    11,980

    Default Re: fuel mixture on johnson 25hp outboard

    Describe how the cowling comes off this motor.----2 piece metal cowling with screws / metal cowling that hinges in the middle / one piece cowling with a latch at the back??????
    Last edited by racerone; 07-11-2012 at 12:17 PM.

  3. #3

    Default Re: fuel mixture on johnson 25hp outboard

    one piece cowling with a latch at the back.

  4. #4

    Default Re: fuel mixture on johnson 25hp outboard

    I believe I have the right ID tag as you instructed. I hope these are the right numbers. Model 25R76E Serial E4436325. Thank you for helping me.

  5. #5
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    11,980

    Default Re: fuel mixture on johnson 25hp outboard

    1976 model and you mix at 50:1

  6. #6
    Join Date
    Jun 2009
    Location
    peru, il, usa
    Posts
    4

    Default Re: fuel mixture on johnson 25hp outboard

    I have a 1997 40 hp. Evinrude always ran fine un til this last fishing trip ,had problems with the motoer bogging down but would stat back up, after new plugs and fuel filter and put preiem gas in it and ran fine the rest of the trip anybody else run into this problem with eythenol gas

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