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    Possible to get Yamaha speedometer output to show up on Garmin chartplotter?

    Gee, my chartplotter tells me the GPS speed as a normal feature, no speedometer needed.
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    Does this sound like a bad head gasket?

    Take a compression test to rule out head gasket. It sounds more like a bad ign system or flooding carb.
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    1979 mercry 140, lower unit/gearcase seal kit number

    If the bearings have any play, the seals can leak, while in use, but seal when bench tested.
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    Engine wont Start

    Mark, In my experience with that motor, the CDI unit will produce a good spark even if the voltage is down a bit when cranking. A good battery should maintain about 11.5VDC when cranking. CDI units often feed 300V into the ign coil, producing 500K volts at the plugs. If the battery voltage...
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    Evinrude 50 impeller

    It should be stiff, but turnable by hand. Make sure you use the correct key, as a lot of water pump kits have two. My J150EXECD uses the green one. The keys are wedge shaped, and impeller should be pretty loose before turning the driveshaft CW, which locks it tight. Make sure the oring under...
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    1992 XR6 150

    The OEM of the cables usually has a guide to measurement of the cables on their web site. I would use that vs other non-oem sources.
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    Evinrude 50 impeller

    Gee, I gave you the substitutions. I even advised on where they should be used. They are readily available and reasonable in price.
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    Evinrude 50 impeller

    Gee, Rob, you asked for substitutes for the OMC stuff, and we have given them. It sounds like you don't believe us, so use whatever you want.
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    Evinrude 50 impeller

    Ge wasn't there a never loan your wife as well?
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    1992 XR6 150

    Gee, I use a single cable teleflex steering system on my speedboat. I have not had any issues. The issue with cable and pulley system was that the motor would pull and overpower the springs I never saw that, although I had a fat fifty motor. I have not seen that on a single cable system.
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    Outdrive oil leak..

    I have no idea how motor oil would make it's way there, however, motor oil should be exclusive to the engine. Check the driveshaft bellows for gear oil. I don't know exactly how it would get to the shift shaft, but outside of some sort of a crack in the OD casting...
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    Evinrude 50 impeller

    OK, for extra credit, what former Dallas Cowboy used to hawk the Workmates? I guess that advertising worked on me. I had one but gave it to mi BIL. I wonder if he ever used it.
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    Outdrive oil leak..

    What kind of oil is it? I presume gear oil, but you need to verify. If it stinks like rotten eggs is it gear oil. I presume your OD is Gen 1? If so, the only source of gear oil is the seal between the upper and lower gearcases. maybe the gasket has failed? Alternatively, maybe the yoke...
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    Evinrude 50 impeller

    I expect that RTV would work. I use a plain old vice with two pieces of wood to clamp the skeg. Not as good as a workmate.
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    Engine wont Start

    A '73 Merc 850 should be battery-powered CDI ignition. It should have hot spark, regardless of cranking RPM, however, the choke requires good cranking speed to achieve a rich starting mixture. The timing marks should be on the cowling support. Set the motor to TDC and remove the distributor...
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    Marine Tex on Alodine?

    The OP is looking to use either Marine-Tex or JB Weld. Both are epoxy fillers. I recommended that they be applied to bare, clean aluminum. Once that is done, he can prime with a self-etching primer, and paint of his choice. I have not used the primer you have recommended, however, if you are...
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    Evinrude 50 impeller

    The Permatex Aviation gasket stuff is the one with a brush on the cap. I think it is indeed #3. I use Marine grease because it is resistant to saltwater. Any decent grease would likely work. I usually use high temp RTV silicone, but silicone caulk works fine. Gee, I never said copper water...
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    Force 125 Trim Motor working, but I think it should go higher

    OK, I was too lazy to look it up, and since it is a Mercury PPT, I would think, I thought it had a good chance for one of those things to be the issue. Not going up enough, w/o a trim limit switch, might mean low on fluid, or that is all I can think of at this moment. Gee, even my '77 Merc PTT...
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    Marine Tex on Alodine?

    You realize the filler is epoxy, right? Also, last I checked, epoxy is significantly stronger than primer.
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    Evinrude 50 impeller

    I use substitutes on my '98 Johnny. The gasket under the wearplate gets Permatex Aviation instead of OMC Gasket Sealing compound. Ditto for the SS cup that fits into the pump cover. The oring between the ss insert and the pump cover gets 4 drops of silicone caulk/RTV instead of OMC Adhesive M...
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