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    broken water pump - FYI

    I had to remove the base or bearing carrier on my water pump on my lower unit. This board was no help there, but local outboard mechanic said to pry it off, so dod the manual. Prob was it would not pru off! So I got a bigger pry bar instead of the screwdrivers. cast alumionum breaks under...
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    yamaha 15hp 2 stroke overheating update.

    I ended up taking lower unit to the local outboard shop. the base of the water pump, "the bearing/seal carrier", actually broke in 2 when I put enough pressure on it to move it a little. Turns out the gasket was pinched between the base and the carrier. So they will fix the leak and the...
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    I made 4 posts in 3 days...NOT A SINGLE REPLY...WHY?

    Why?
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    water in lower unit, can't get it apart...Please?

    1984 Yamaha 15sn 2 stroke. have done a lot of work recently as can be seen in earlier posts. The help I rec'd here gave me the confidence to carry through and solve the overheating issue. But in so doing it,I must have damaged the seals in the lower unit. I found about 2/3 water to oil in...
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    3rd time around...poor telltale on 15 yamaha 2 stroke

    So far you guys have been a lot of help. Now I hope you can help again... I took the lower unit off again, and I have a secondary problem which I'll cover later, but I installed the 2nd complete water pump rebuild kit. lubed the impeller as instructed with waterproof "synthetic" grease...
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    I can't find overheating cause....:(

    I posted some time back on my overheating problems on a 1984 yamaha 15hp 2-stroke. model #15SN. So far, I have changed and rebuilt the water pump, changed the head gasket and the exhaust gasket, put in a new thermostat, and worked on water jacket, rebuilt the carburetor, had some debris and...
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    I NEED THE WIRING DIAGRAM FOR A 15HP 4 STROKE JOHNSON

    MODEL IS #J15FREDR.<br /><br />It is a borrowed motor, won't kick at all.<br />no spark...NO SPARK at all. must be a switch, but the wires are in molded plugs. I do not take those apart on other peoples equipment. PLEASE help if you can? I am an electrician by trade, so I know how to check...
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    borrowed Johnson 15hp 4 stroke will not start

    OK guys, I borrowed a friends ob while mine was in shop, we loade4d it in my ford ranger cab, standing it as high as it could go. Besides the obvious fuel leaks which I've already fixed during my attempted fishing trip! What else could be the problem? I did find an oil spot on my seat, but I...
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    84 yam 15 hp lower unit

    I just finished my water pump rebuild, it was interesting to say the least. Not too hard, but woodruff key was stuck pretty hard. NOW - What is the trick to remounting the lower unit, I'm having trouble lining up the splines or something. It just won't go in...
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    1984 15 yamaha 2 stroke OVERHEATED?

    I took my jon boat out to the river sat morning, put in, fired up fine, pisser working strong? And ran @ 1 mile downstream, motor lost power, sounded strange like a exhaust leak. SMOKED hard. Then I cut it off, could not find a problem, but it would not restart, also not locked up. Let the...
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