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  1. J

    1994 Johnson 15 hp problem - need help

    Yes, I believe I cleared both High Speed and Low Speed Jets. Can anyone tell me how to check the coil and power pack to see if they are working properly?
  2. J

    1994 Johnson 15 hp problem - need help

    I wish the vent cap was the problem however I have tested the cap and it does allow the air to escape. I'm not sure where to go from here. Today I had it out and it ran great at wide open throttle for about 20 minutes then the next time I started and took off at WOT it ran for only about 3 - 4...
  3. J

    1994 Johnson 15 hp problem - need help

    Yep, bought a new cap with a screw on top and it was open so the tank could get air while it was running.
  4. J

    1994 Johnson 15 hp problem - need help

    Took the boat out again today and it is experiencing the same problem. I'm not sure what to do or what could be wrong with it. Anybody have anymore ideas? I at my wits end with it. It runs great at slow speeds or up to 1/2 throttle but when I go wide open throttle it des not increase the speed...
  5. J

    1994 Johnson 15 hp problem - need help

    Well, I thought the problem was fixed and I was wrong took it out fishing and was experiencing the same issue as before. I pulled the carburetor off today and removed the bowl to inspect the float and found small black specks inside the bowl big enough to mess with the jet on the float so I used...
  6. J

    1994 Johnson 15 hp problem - need help

    First, let me say thank you to all the great people on this site with your help and suggestions I have fixed the problem. I rebuild the fuel pump and purchased a new vented gas cap. Not sure which or both of these fixed the problem but I did notice that the diafram i removed was consideably...
  7. J

    1994 Johnson 15 hp problem - need help

    No, the cap says OMCright on it. The motor does not stall. It runs great at low idel but when I go to wide open throttle it operates like it should for about 50 - 75 yards then just loses power until its running atv1/2 throttle even through it is wide open. I have not had a chance to test it...
  8. J

    1994 Johnson 15 hp problem - need help

    It has an OEM cap however I do not see a hole or opening on the top to let air in. On the underside I see a small hole. I have not stuck anything into the hole on the underside yet to see if it is clogged. I'm not sure how this thing breaths. Is the tank suppose to be under pressure when the...
  9. J

    1994 Johnson 15 hp problem - need help

    Could it be the cap on the OEM fuel tank not allowing it to breath? If so, can the cap be cleaned some how? All I see for replacement parts is a new cap at around $35.00 or the gasket. I'm not sure how the cap works can someone enlighten me on just how it breaths? Lastly, could this be resolved...
  10. J

    1994 Johnson 15 hp problem - need help

    Thanks to everyone who posted. I have a lot of things to take a look at now all good suggestions which I will examine before I post an update around Tuesday of next week.
  11. J

    1994 Johnson 15 hp problem - need help

    Thank you for the response, I have come to the same conclusion and was planning on rebuilding the current one with a OEM rebuild kit. If this is not the fix it certainly won't hurt it any.
  12. J

    1994 Johnson 15 hp problem - need help

    Problem: no high speed, idle slow speed works fine. But when I throttle up it run normal for a short time then it just slows down. Its like it is starving for fuel or flooding out but it will stay running just at about 1/2 throttle even through the throttle is wide open. It does not mis fire...
  13. J

    1994 15 hp Johnson outboard starter switch

    Well, I have fixed this problem with the help of people from this forum and my friend. Thanks to all of you for the help. Now, to support this forum this is what I did: 1-Solenoid from Ford Used piece of wire from old jumper cable to wire from the battery positive to one side of the solenoid...
  14. J

    1994 15 hp Johnson outboard starter switch

    Thanks Sawmill I think your PM has provided the information I need to make it work.
  15. J

    My Alumacraft build

    Yes, we wanted to open it up to provide as much room as possible. It was fun and took me a couple of weeks to complete. This boat is just used for fishing for mainly two people.
  16. J

    OutBoard Service Repair manuals

    Thanks Jim, much appreciated.
  17. J

    1994 15 hp Johnson outboard starter switch

    No wires coming off the starter but there is a terminal to connect a wire. So I ran a hot line to the battery and the starter spun up. But it does not have enough power to turn the motor over without the solenoid. I searched for the solenoid online to find out what it looked like but still can...
  18. J

    1994 15 hp Johnson outboard starter switch

    Well, can someone just tell me where the solenoid is located? I have pulled the starter off but did not see anything that looked like a solenoid maybe it is also missing not sure. Can you help me locate it? Thanks
  19. J

    1994 15 hp Johnson outboard starter switch

    Yea, it is missing along with all of its wiring. I know where it is suppose to be but it is gone. I'm hoping to wire in a new switch through the solenoid. But need some help understanding the wiring coming out of the solenoid and just where the original was wired in. Thank you for you comment.
  20. J

    My Alumacraft build

    Well it is completed so I thought I would post some pics for everyone. I added some square tube bracing not sure needed it but it makes me feel better knowing it is their. In this build I removed the two rear bench seats. Hope to get it out on the water real soon.
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