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  1. #1
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    starting problem 1996 johnson 15 hp four stroke

    it wont start until you shoot some gas or either down the throat of the carb the when it starts it skips then it will level out after it starts the first time it is ok the rest of the day but it seem to have a skip a wot all of this has happen after this ign mod was replaced for a no start problem about 3 years ago

  2. Member
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    #2

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    Welcome to the BBC.

    I have a couple of questions, Are you sure the choke is closing completely?

    Has the motor ever set for any length of time?


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    #3

    Re: starting problem 1996 johnson 15 hp four stroke (RUSTY63)

    as far as i can tell it is closing completely and as far as setting up I use it year round for duck hunting and running the rivers fishing

  4. Member
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    #4

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    Remove the air horn and make sure the choke is closing completely.

    One other thing, have you had the valves adjusted lately?

  5. Member
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    #5

    Re: starting problem 1996 johnson 15 hp four stroke (RUSTY63)

    it has never had the valves adjusted

  6. Member
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    #6

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    You might want to have them adjusted.

  7. Member
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    #7

    Re: starting problem 1996 johnson 15 hp four stroke (RUSTY63)

    what are the clearences intake and exhaust hot and cold

  8. Sprint Boats Moderator Bassmeister's Avatar
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    #8

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    Yep , the valves will make a world of difference!

  9. Member
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    #9

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    I was off on that, the intake is 0.004 and the exhaust is 0.006.

  10. Member
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    #10

    Re: starting problem 1996 johnson 15 hp four stroke (RUSTY63)

    pulled the air horn off and the choke is not closing at all the spring on the choke is broken how hard is it to replace it

  11. Member
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    #11

    Re: starting problem 1996 johnson 15 hp four stroke (jwd)

    It will take some time but how long depends on your ability.

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