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    1972 Evinrude 9.5(Model 9222m)- no spark

    process is simple.. measure ohms from plug boots to engine frame expect 4-8kohms if not plug wires are open or coil terminal connections bad/oxydized or coils HV secondaries are bad. most of the old motors the coils are all cracked up and need replacement available on AMAZON $ or...
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    2 Cylinder Johnson 40hp Old Trim/Tilt

    no tilt lock to keep it up instead of relying on the hydraulics? a 2x4 should do it :-)
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    79’ Evinrude 70 Bogging

    dont abuse the soapy water check hose and connections.
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    79’ Evinrude 70 Bogging

    It does seem OP had the carb work done in post #10 in theory eliminating that option & leading to a possible pump problem...... my thinking being that at higher RPMs the pump is getting a lot more pressure pulses from the crankcase to have it pull in more fuel for distribution to the carbs...
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    79’ Evinrude 70 Bogging

    recheck the fuel pump operation especially the pulse hose for air airs due to cracks or loose clips. you checked the diaphragm but actual pump operation can only be confirmed by measuring fuel pressure output to carbs....something I have never done mind you. FP are not terribly expensive...
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    2 Cylinder Johnson 40hp Old Trim/Tilt

    tried ebay ??
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    Low speed jet adjustment

    seat the needle all the way in counting turns as you shut it down... don'T worry about the spring remove the needle and spring and blast the internal orifice (passage way) with carb cleaner and a blast of air do it twice just in case.... wear safety glasses while doing so reinstall...
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    79’ Evinrude 70 Bogging

    carbs cleaned recently... do you mean removed, orifices cleaned out float checked out etc... these are old style carbs easy to clean up incl.. side channel for LS upper drip chamber under the die size plug which feeds fuel for idling properly .
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    Johnson 115 VRO

    good eyes !
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    Johnson 115 VRO

    only 2 options ... trace and replace (solder a new wire and cover joints with waterproof shrink tubing) or tape it up so it won't short to ground post engine model number or look in this list https://maxrules.com/JOwireindex.php
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    Need help removing 1987 powerhead of 20 hp remote control Johnson!

    did you drop the GC ?
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    1977 Evinrude 15hp pull start

    "everything you read on Internet is true" ....Abraham Lincoln wasn't 100 % certain which is why I said to CHECK THE SIZE...in case my memory is faulty! guess it was. thanks for clarifying
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    Black scuff marks on cylinder walls

    and they fit 1960's 5.5hp with thermostats :)
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    1977 Evinrude 15hp pull start

    yes that is what I have but the bolts you have in the kit don't fit the FW holes on top . Buy what you need (3) at the HW store with 3 nylon lock-nuts and some flat washers to keep the bolt heads from slipping thru the trianle opennings . Bend the flat washer 90 deg. on one side to fit...
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    Black scuff marks on cylinder walls

    Darn....you just spoiled my day... I just installed a 43$ head gasket on a EV 6hp I just refurbished dealer was asking 73$ CDN plus 15% taxes (O.M.G. !) Amazon was cheaper yet I just found one on EBAY !!! for 15$ free shipping from China & No tarifs :)
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    RD-25D 40 HP reconditioning

    well the main reason is that they wont "screw in" to the standard but newer screw pin coil vs the old HV PIN magneto coils used on the oldies since te early 50s... easy underneath routing may also be a problem
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    Temp control/sensor

    looks like a hot water heater thermostat....
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    1977 Evinrude 15hp pull start

    The above illustrated puller with inverted nylon nuts is probably the cheapest you will find. No.... it is not OEM stuff $$$ but works fine on small OBs . The inverted nuts will keep the depth of bolt insertion in the FW even and keep the bolts in place so you don't go loosing any.
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    RD-25D 40 HP reconditioning

    for plug wires I have used these but the price has exploded for unknown reasons I have paid 40$ for a set a few years ago. seems it was $69 just a few weeks ago ( tarifs ???) https://www.napacanada.com/en/p/BMX700175 may as well visit NAPA or a bike shop and buy a few feet of 7mm wire...
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    1977 Evinrude 15hp pull start

    anything that worked itself loose or mal adjusted can cause your problem .. may as well get yourself a puller and pull the FW
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