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    1978 35 hp Johnson, electric start.

    That's the older one. Either buy a vintage harness or they sell a replacement harness that converts it to the red plug. More wires, more options and not hard. Or I make my own with aftermarket connectors. Crosbys example doesn't work for your motor but it's what it could be. You can look up...
  2. S

    1978 35 hp Johnson, electric start.

    No key is needed. Unplug the motor and jump the starter solenoid. Spark gap test of 3/8 or better while checking compression numbers. Easy to do and gives you a wealth of info. Post the results.
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    1978 35 hp Johnson, electric start.

    Does it have the big black plug on the motor or red?
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    Evinrude 7.5hp kill switch issue

    and spark plugs clean up easy! 🤓
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    Shifting into reverse is really hard

    Racer is correct, it's hard on the lower end if you don't rotate the prop while shifting it not running. Other things can happen too though.
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    Shifting into reverse is really hard

    Do it with it running in a BIG barrel.
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    Evinrude 7.5hp kill switch issue

    Cut it and use a good marine but splice or pull the pin. Rubbing alcohol and a MacGyver tool works great. You need to know. I've seen and experienced what Nordin is talking about. Tested fine but wasn't. Micro voltage doesn't count sometimes.
  8. S

    78 Johnson 115 starboard cylinder head getting hot

    Excellent and thanks for posting what you did for the other folk who run into this issue. Might save someone lots of time.
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    1974-75 Evinrude 70hp Hustler from the Triumph series Cranks, but doesn't catch fully to spark or start.

    Probably not the fuel filter, it's the overflow from a flooding situation but pictures will prove. Get an OEM service manual.... Intake was full of dirt? Explain more please.
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    So far so good

    You should adjust the idle at the timer screw located outside ....wait, is this a tiller?
  11. S

    78 Johnson 115 starboard cylinder head getting hot

    I was in my 20's and now I'm 62...I'm lucky when I can find my socks! Sorry.
  12. S

    78 Johnson 115 starboard cylinder head getting hot

    Just blow some water through all those rubber hoses, try to reverse flush and put it all back together and test. 152° is not reached overheat yet but was probably going to. Has any of the paint yellowed on the head or around the block area? That might indicate that it had been overheated that...
  13. S

    So far so good

    Rubber motor mounts....I disagree with a power loss but the motor not shaking so bad is better which usually happens at idle speeds. As you know those upper internal bolts that snap from abuse could definitely be catastrophic. I usually just go with it on 50 year old motors.
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    So far so good

    Yes but did you put the sheet ice racing blade on it yet? Lol.... Thanks for the report. New style batteries have come along way.
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    78 Johnson 115 starboard cylinder head getting hot

    A partially plugged thermostat could be problematic yes, open or not. Doesn't affect the tell tale so yes there is a high percent the problem is still lurking. Always frustrating.
  16. S

    78 Johnson 115 starboard cylinder head getting hot

    Do you mean it stayed in the cup? You would easily see missing pieces. Well for now let's hope you've found your "smoking gun"!
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    78 Johnson 115 starboard cylinder head getting hot

    How did the old impeller look when you replaced it? Any missing pieces? Small orifice's everywhere. Could be the stats but not likely. Racer is correct most likely on diverters and or examination. Slighten tighten first and then try loosing. I have torque spec fingers knowing when they will...
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    78 Johnson 115 starboard cylinder head getting hot

    Salt water motor, yes or no? If not, mud dobbers area or other nesting bugs? Have you been praying to the outboards gods? Many things to soak it in before removing the head.
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    Compression

    Anything oily works, tranny fluid has cleaners but not really necessary. Just free up the rings and coat the walls. The best is when you do it before you ever turn it if you don't know it's history. Head; flat piece of something, glass is used by some. I use 120 grit sandpaper looking straight...
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    Compression

    Yes....it can but..... Running it more and testing it warm will help bring the numbers up but your numbers are acceptable to me. Learn how to resurface the head if you haven't already and send pics of this motor (whole and under the cowling) to see if you need other info to keep this wonderful...
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