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  1. #1

    Default Johnson Fuel leak

    I have a 1997 Johnson 90 HP V4 oil injected outboard - BJ90SLEUC. Whenever I try to cold start using the elect. primer solenoid, fuel emits from one or two of the small plastic fittings located at the rear of the solenoid cover (part # 341071). The parts schematic shows 2 small rubber hoses coming off these fittings, but are not listed in the parts description (parts #56 and 79 on the schematic) Mine has no hoses connected and fuel streams out every time I use the primer. When warm starting, no fuel leak is detected as I am not using the primer to start. I have not been able to detect any hoses near this solenoid cover. The fuel pump was replaced and I am wondering if these hoses were accidently left off by who did the work, or if they are supposed to be there at all. If they are supposed to be there and attached, where do they lead to from the solenoid? Any help would be appreciated.

  2. #2
    Supreme Mariner
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    Default Re: Johnson Fuel leak

    Rick, I do not have my OEM manual with me, however, my educated guess is that those hoses should go to the intake manifolds on port and starboard sides. Look for some nipples and hopefully hoses in the center of the intake manifolds (OMC calls them throttle bodies). There is a lot of wires and hoses, so it may take a bit of looking. Proabably the mechanic forgot to stick them back on after doing his work.

  3. #3

    Default Re: Johnson Fuel leak

    OK - thanks. I will check into this.

  4. #4

    Default Re: Johnson Fuel leak

    Thanks Chris for your help --- over this past weekend, I searched for the priming fuel hoses and found them lodged behind the fuel pump. Evidently, the person that replaced the fuel pump, mounted the the new pump over top of the two lines and never hooked them back up to the primer. After I was able to dislodge both lines from behind the pump, I hooked them back up and my engine cold started on the 2nd crank with no fuel leak detected. I would have taken this back to the shop that replaced the pump, but he has since gone out of bussiness (what a shock). Thanks so much for your help as I was not looking forward to incurring the cost to have a marine repair shop figure it out.
    I really appreciate it.

  5. #5
    Supreme Mariner
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    Mar 2004
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    On Barnegat Bay, NJ
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    Default Re: Johnson Fuel leak

    Rick, Thanks for the feedback, it was very polite....glad it worked out for you

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