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    Outboard top cylinder getting hot

    Trying to work out what caused this cylinder to over heat and damaged the piston. Can a carb cause a cylinder to over heat ? Maybe running too lean , can the carbs be adjusted just a thought I just want to rule out any other causes
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    Outboard top cylinder getting hot

    Can anyone recommend a workshop Manuel I can buy that will have how to strip and rebuild engine ectect
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    Outboard top cylinder getting hot

    Thanks for all the advice so far you all have been very helpful. The next hurdle is stripping down rest of engine, this I have never done, I will remove the power head next weekend any advice what to do first I will be ordering a workshop Manuel thank you once again
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    Outboard top cylinder getting hot

    Head is now off no bolts snapped I think I have found the problem, top cylinder looks like a small piece of the piston has broken off
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    Outboard top cylinder getting hot

    Good day everyone just a update I have removed front water jacket to find no t stat or spring and no poppet valve this motor must have had one. Could this be why the engine was getting hot. The other thing I noticed was the bolts were not very tight and all csme out with ease. Looks like...
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    Outboard top cylinder getting hot

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    Outboard top cylinder getting hot

    What should the torque be on the cylinder bolts? trying to find a service Manuel but cant find one that covers my engine. I did find one covering 1980 50hp would that do. In answer to heat on top cylinder just felt it with my hand and it was hot to the touch
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    Outboard top cylinder getting hot

    Thank you for all your replies I will start to remove head ect what are the signs of a damaged head gasket? I havnt striped down a outboard before any pointer to look out for Wont be able to check t stat untill I remove the covers The motor has been used in salt water I never put in the water...
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    Outboard top cylinder getting hot

    Hi everyone, I have a Johnson 2 stroke 50hp 1983 I have noticed the top cylinder gets hot and bottom cylinder remains cool The engine idles ok , I did a compression test on both cylinders readings at wot, top 120 and bottom 150 not to sure if they are ok. I have changed the water pump and...
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