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    water pump impeller replacement

    I bought an impeller for my 74 Johnson 9.9 model<br />10e74g. My local boat mechanic said I didn't need to change any gaskets or seals really but he said this was not an easy job. Something about the shift coupler messing up some threads if i didn't do it just right. I offered to let him do it...
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    '74 9.9 elec start

    got my hands on a '74 9.9 Johnson electric start!<br />friend said he didn't know if it ran. It looks very clean "under the hood", but the starter ain't doing nothin'!? I have voltage at switch but not at the starter, common sense says "switch" but I've got voltage at terminal block. Really just...
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    frustrated !!

    I got a new diaphram for my 54 pressure tank because it was leaking fuel back out the primer shaft although it was pumping gas just not holding pressure. I have rebuilt it 3 or 4 times now. the 1st time it still leaked but was pumping fuel. alcan has be advising me on this and he said to redo it...
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    lwr unit problem

    got my 62 johnson seahorse 10 running finally and took it to the lake. I put it in forward and nothing, then reverse and i did have that. I remember about 3 years ago last time I used it it would jump out of forward as rpm's increased. I dropped the lower unit out and i don't see any visible...
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    cold compression test?

    what exactly is a cold compression test? 74 merc 65.
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    year model merc 650?

    I have a mercury 650 with thunderbolt ignition?? It is a 3 cyl w/ power trim I think. I found it in my granpa's garage after he passed? The serial# is 4043710 but I can't see a model #. Any help? THANKS!
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    desperate -keep trying nothing works???

    guys I'm sure you're tired of me but my Clymer :mad: manual is not much help.'54 5.5 Johnson starts and will run if i squirt premix in carb. I have rebuilt carb twice and used compressed air and carb cleaner. I'm positive there are no mistakes, all jets are clear.I've got fuel in the float...
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    pre59 pressurized tank?

    sorry about starting new topic. this subject is somewhat related to a previous topic of mine, but if I have a leak coming out at the primer button will this keep my engine from running? when I push the primer button it pumps fuel to the filter bowl but as I let off, gas squirts out around the...
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    qd10 start won't run

    '54 5.5 , rebuilt carb. new plugs, wires, & points. pull and it won't start. it will turn over (start for about 2 seconds)if I squirt premix down the carb then pull. This motor has a double line (gas and air) going to the tank. the filter bowl is full. what should i check first. it will start 2...
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    merc 65 keep or trash?

    my grandfater passed away a few months ago and I found a 65hp Merc in his shop. I don't know what's wrong with it but I seem to remember him saying he bought it for the lower unit. It's all there, just wondering where to start? It looks like the battery cables are melted?! How can I test a motor...
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    cd10 need a little help please

    my 54 5.5 jhnsn has spark, new condensers, new plugs, new wires, coils look good, points gapped,carb cleaned and rebulit. It started once before I rebuilt the carb and ran for about 20 seconds then wouldn't start again so I rebuilt carb. I pretty sure there were no mistakes in the rebuild. Now...
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    cd 10 few problems

    my cd10 fired up once and ran about 30 seconds but did not immediatley respond to throttle. it has a pressure tank with the little primer button on tank, it shoots gas out when I release it. Also fuel bowl only fills 3/4 way up? now it won't start, I'm gonna rebuild carb but wondering about fuel...
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    setting hi lo needles

    '62 jhnsn seahrse 10hp need help seeting the hi and lo speed needle valves. I've got a manual but it covers so many models I'm not sure it's right. I can't seem to get smooth operation at all speeds. either it misses (jerks?) at lo speeds or hi speeds depending on the combination of the two...
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    62 seahorse 10 bottom motor cover

    my 62 seahorse 10hp has a loose bottom motor cover, the part that the top sits on. i can't figure out how to tighten it. There seems to be studs going down from top inside and studs coming up from bottom outside but they are seperate?! Also I get a misfire or jerk at lower rpms, any ideas?
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    johnson 2" square fuel pump

    I know this is becoming a tired subject but I bought a manual for my 62 jhnsn seahrse mdl 10024 so i could rebuild my fuel pump with the kit I purchased, but no picture :mad: I was stupid and thought I would remember how the gasket stacked back up but i can't. can anyone help with a specific...
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    johnson fuel pump

    bought a fuel pump rebuild kit for my johnson 62 seahorse 10. it is the little square one, but I can't remember how it goes back together can anyone help me with pictures or drawings? :confused:
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    seahorse fuel pump assy.

    i bought a fuel pump rebuild kit for my 62 seahorse 10 and now i'm not sure exactly how it goes back together :eek: does anybody no where I can find some parts schematics or drawings on line?
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    seahorse 10 won't start

    johnson seahorse10 numbers on tag are 10024b 10348.also located on plug on block. cleaned carb but won't stay running. plugs have good spark and it cranks with starter fluid but immediatley dies.fuel pump diaphram is wrinkled. it doesn't seem to get gas to carb even when I pump bubble and the...
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