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Recent content by vandenburgh

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    1992 40hp blown 20amp fuse & fried red rectifier wire

    Any ideas as to what might cause these two issue - blown fuse and fried red wire to rectifier (at least I think it is the rectifier in pic)..do I just have a bad rectifier or would the burned up red wire to rectifier and blown fuse be an indication of another problem? Motor was in shop at...
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    1992 40hp Johnson won't start

    Was running fine all summer till today. First sign of trouble was Motor started surging... was cruising at 3/4 throttle, when motor started slowing down, then speeding back up, like fuel flow being interupted. It finally stalled out. Fuel bulb was soft (but not flat) I pumped fuel bulb till...
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    40hp seahorse not gaining rpms, not sure where to start - help please?

    63 electric shift, starts fine, but when throttle advanced, won't get beyond a fast walk. Prop doesn't seem to be slipping, seems to be firing on both cylinders, and fuel bowl seems to be getting fuel from tank. Idles fine. Condition started during a brief outing where we were at 3/4...
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    1963 40hp Johnson electramatic not reaching full power

    Decided best i start a new thread with appropriate title...this is continuation of other thread just posted by Vandenburgh, hopefully the right call. Update: I finally got the boat on the water today at the lake cottage so I could move beyond test barrel. Happy that engine started and idled...
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    Refurb old fuel tank

    I was thinking about repairing my leaky vintage 6gal original omc fuel tank for use with my 63 Johnson (I had been using motor with new plastic 6gal tank, but would like a 2nd tank for longer trips). Tank seems to leak near connection assembly at tank when it builds pressure in tank(pressure in...
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    63 40hp RKL-25D stalls out when quickly pulling back throttle

    Engine starts fine, and throttles up fine, but when pulling back quickly on throttle from running at 3500 rpms or so, engine stalls out. If I pull it back slowly instead, it seems to be ok. Any suggestions as to what may be the problem causing it to stall out on rapid deceleration? I am...
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    63 40hp Johnson RKL-25D - generator/regulator troubleshooting

    I wanted to troubleshoot my charging system...I have 'freewheeled' the generator and it seems ok as it runs as an electric motor. I think my regulator is fried, but not sure. My manual has some troubleshooting tests, but they require engine running at 3/4 throttle.... As it is still too cold...
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    1963 40hp Johnson RKL-25D

    Thanks - what do you think about the condition of the two low speed needles in the picture below? The one on the right is from the working motor, the one one the left is the parts motor. Which one appears to be in better condition (if picture large enough to tell)? what is odd is that...
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    1963 40hp Johnson RKL-25D

    Ok, I am ready to hit the upper gearcase and wanted to confirm a couple of things if possible before I leave the lower gearcase...the pinion gear should just be loose at the top of the lower gearcase, as in picture, where it will be inserted into to upper gearcase when reassembled? Correct? I...
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    1963 40hp Johnson RKL-25D

    Thanks. Can you recommend which of the forward gears in the picture I should choose to reinstall? The two gears on the top (one on the top left is forward) were from my 'running engine' although I was having problems with the 'running' engine in forward (forward wouldnt work when i got the...
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    1963 40hp Johnson RKL-25D

    I am attempting to reseal leaky lower unit on my old 40HP johnson electric shift (novice first timer). leak appears to be between upper and lower gearcase and likely other locations as gearcase oil becomes milky after about 30min on the water and then motor no longer shifts into forward (I am...
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