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    1988 70 HP Johnson Cooling System Modification (+ Additional Work)

    14 year old post!! best not to revive them start a new one .
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    Old johnson V4

    Why not visit the AOMCI site and ask questions on the ASK A MEMBER Section . Folks there can surely guide you along. https://www.aomci.org/resources/ask-a-member/ https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1962&hp=75&model=V4A-14
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    Old johnson V4

    you may want to invest 20$ in this easy to download book to service your fuel burner :-) https://watercraftmanuals.com/outboard/johnson/johnson-306775.htm
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    Source for Johnson OB ign wiring?

    if you cleaned all surfaces applied cleaner etc... you should be ok one option is to slide some heat shrink tubing over individual wires and seal them up for increases huminity protection and mecanically resistance. some tubing have sealing glue inside for added sealing. cheap...
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    Source for Johnson OB ign wiring?

    mdl # ??? any chance you can build your own ?
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    1975 Johnson 6hp (6RL75R) — idle timing off due to play in throttle shaft, need diagram of shaft/socket coupling

    stuff to read https://www.leeroysramblings.com/OMC_6hp.htm download this free book look up the carb section on models CD AD FD these carbs all work the same way and need cleaning the same way https://www.socalaomci.com/library/johnson_service_manual_10th_edition.pdf
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    1975 Johnson 6hp (6RL75R) — idle timing off due to play in throttle shaft, need diagram of shaft/socket coupling

    i know folks love100s but 75 should not stop your engine from running... maybe not full strenght at WOT but fine for trolling... some engines like the 9.5s work fine at 65 psi. put the beast aside for a week or two start fresh. recheck crab's slow speed circuit carb, side channel to the...
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    No Spark

    suggest you read up on the ignition type... if it is a Phase maker ignition DO NOT KILL at high rpm....use down to slow then kill with kill button phase maker points may lookdirty but they work fine. https://wrcoutboards.org/wp-content/uploads/2021/02/The-Phase-Maker-CDI.pdf The Phase...
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    Need help w my 2001 johnson ocean pro 115hp

    fwiw here is one answer from an intelligent source... Q: what would cause the bendix gear on a 2001 johnson ocean pro 115hp outboard motor to drop off after 2 seconds On a 2001 Johnson Ocean Pro 115, if the Bendix gear comes up normally, cranks the engine for about 2 seconds, then suddenly...
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    1968 Sportwin water trickle top of power head

    possibly... with age everything shrinks...
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    Fuel leakage problem.

    done the blow test yet ??
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    Engine dies under load

    if hand pumping helps sounds like a bad fuel pump + hand pump not getting hard it may indicate a inlet needle not closing properly and flooding the carb face.... maybe just a spect of dirt in the carb
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    1968 Sportwin water trickle top of power head

    yep 9622a paid 50$ cdn about 35U$ stuck rings came loose after a week of soaking and poking ... motor even had the break-in instructions ! :) my best deal ever ! but now stored and replaced by a nice Merc 4hp which sucks less fuel for trolling all day long
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    Fuel leakage problem.

    alhthoug it is a possibility that the cork is saturated extensive testing by user " TUBBS" on AOMCI over several years of soaking cork samples in a jar resulted in no saturation. should it be the case here it would beeasy enough to find out because the fuel primer bulb would never get "...
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    1968 Sportwin water trickle top of power head

    these turtles have a skirt in the lower housing known to leak exhaust fume upside and suffocate the engine... here is a few good links to service it. I even foundone with a 2 " lobotomy to allow fresh air inside the cowl https://www.leeroysramblings.com/OMC_9.5.htm...
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    Fuel leakage problem.

    there should not be so much side to side wobble on the float to snag on thepump body edges. make certain your gasket do not cause internal snagging. make certain the " blow" test works properly
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    Fuel leakage problem.

    carb should not leak after a rebuild ... it works like a toilet bowl fill valve. that said when you are done rebuilding with the carb right side UP push air (with your mouth or small lenght of hose) in the inlet barb and it could go right in no problem just like the fuel would coming...
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    1978 Mercury 70hp Worth Messing With?

    not to expensive books ... see the one for 1978 all models https://watercraftmanuals.com/outboard/mercury/#1978
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