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    Evinrude 40hp Water Temp alarm

    82c x 1.8f +32f= 179.6 F HOT!
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    first bass boat (Evinrude outboard)

    by the looks of that flywheel it may be a 2 winter project ... :-(
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    Coil locating ring

    just line up the edges
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    Surging Johnson 6 hp.

    did you actually remove the main hs post of the HS circuit by unscrewing it and flushing it incl the small side holes if any on your model ? careful if you unscrew it use proper fitting flat blade don't strip it . On some carbs the HS speed post side hole help to vaporize...
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    Surging Johnson 6 hp.

    your running much to fast ...water will aerate in the bucket and be hard to get pumped to cool the engine. no need to run that fast in my humble opinion it is just running out of fuel ...carbs have 2 circuits LS HS run at low speed to see it if "fuels out" if not...
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    1958 seahorse 10 running hot

    chart says 24/1
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    1958 seahorse 10 running hot

    never touched a hot 58 myself but with free flowing water (no thermostat) seems you should be able to touch & hold several seconds motor is 66 years old...!! for the price of a head gasket you can always pull the cyl. head check out the cyl walls and water pasage for excessive...
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    1958 seahorse 10 running hot

    pulling the head isn't so bad try not to break the base gasket and any carbon seals... if any on the drive shaft see a CD version good time to can clean out the exhaust carbon in the lower unit :)
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    1958 seahorse 10 running hot

    https://watercraftmanuals.com/outboard/johnson/manuals/johnson-302231.htm
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    Surging Johnson 6 hp.

    "Patience brings joy" chasing to many rabits.. let it sleep for a week or few days start over with a fresh methodical approach
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    1958 seahorse 10 running hot

    see book info... Johnson red book covers all this see link for $20 copy
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    1958 seahorse 10 running hot

    johnson book says they came ine 1959 Essential 400 page book to service oldies up to the 60s download and print locally . https://watercraftmanuals.com/outboard/johnson/manuals/johnson-302231.htm
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    Surging Johnson 6 hp.

    pump is ok carb is clean and adjusted .... ignition works.... fuel/oil is fresh... hand pumping does not help BTW HS jet orifice "I checked the bottom jet and it looked pretty good." ....looked and clean are not the same.. did you clean it ?? Cylinders need the fuel to work and...
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    1988 Johnson GT150 acceleration issues

    see #15's easy access probably ...run a carb cleaning tool in the jet followed with a shot of carb cleaner. a 2lb mono may do the job
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    1988 Johnson GT150 acceleration issues

    do google or utube searches on bogging outboards . Fuel starvation seems a frequent cause assoc. with air leaks, degrading "grey" fuel lines, dirty filters etc...
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    1958 seahorse 10 running hot

    ok you changed the impeller. Was the engine run before the change ? and what is hot and then you went ahead with the change or did it just become hot after your work ? did you do any gasket work ?
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    Surging Johnson 6 hp.

    Bummer I guess .... suggestion... up to you .....but if your 4hp works fine transfer the magneto parts to the 6hp. if surging stops you found the area of concern. if surging does not stop...fuel starvation is occuring..... back to fuel , carb, hose tank issues. Try the engine with...
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    Surging Johnson 6 hp.

    well if not fuel quality, not a plugged up carb, good hose good filters , good fuel pump etc....ignition could be a cause. condensers even new ones can be bad or react to heat build-up. VOM testing of condensers is not conclusive unless truly bad. points being mecanical less...
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    Surging Johnson 6 hp.

    glad to help ..sometimes I eat crow . you do not suspect fuel but bad fuel is a known cause of surging. is your's fresh ?? did you check the bottom HS orifice jet ?.
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    Surging Johnson 6 hp.

    pumping lots of water is fine but.... lack of cyl. jacket cooling water could still be a problem causing overheating. the only way to find out is touch it has suggested or scan it an infrared thermometer . btw lots of diffdrent opinions on this but Seafoam could be tried. It certainly...
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