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  1. J

    74 50hp Johnson Carb Re-assemble

    Hello all, I just cleaned and rebuilt my carbs but I am not sure if I have the spring that goes between the throttle linkages and the choke installed properly. The throttle linkage kind of holds it in place but it seems a little loose to me. Does the part where it is bent on the right side of...
  2. J

    1974 50hp Johnson "Getting Frustrated"

    Hello all, I am having probs with my motor not getting RPM's. Motor starts and idles fine but does not hit top RPM's at WOT. Periodically it will try to surge but just seems restricted. Compression test yielded 150 on one cylinder and 145 on the other. I don't have a tach, but it is pretty...
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    Helicoil Help

    Hello all, stripped out one of my spark plugs while doing a decarbonize. Anyway, decided I will have a helicoil installed. One shop told me it will be 150 bucks out the door. Talked to another shop that will do it for 40 if I pull the head. Here is where I am unsure. I will replace the head...
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    Is my mechanic right?

    Hello all, We bought a 74 Johnson 50hp (50ESL74M). Initially, the motor started and idled perfectly but bogged when we tried to reach WOT. Based on what I read here, and the manual, I thought it was the fuel pump as it was original. I replaced the fuel pump and took apart the carbs and they...
  5. J

    50hp johnson Low RPM's at WOT

    Hi all, I started this discussion in the general section but I think it should be moved here. Anyway, we have a 50hp 74 Johnson which I believe has a fuel starvation problem. Initially the motor started and idled and ran at low speed (10mph) very well. I went ahead and changed the plugs and took...
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    Planing Questions

    First of all, Hello! I have been lurking and reading for a couple of weeks now and finally decided to register. Very helpful site so far. My brother and I are very green when it comes to boats so bear with me. We just wanted to get on the water so we bought an old inexpensive 17.5 ft tri hull...
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