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    76 Johnson 15 HP

    The obsession is common with everyone here! Human nature really. When you get the carb apart post pictures of inside, maybe it's missing something. When you ran it on the lake today you should have shot a little bit of 2 stroke fuel in it at WOT just to see what happens. Back to the drawing...
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    76 Johnson 15 HP

    You've got a zebra somewhere.
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    76 Johnson 15 HP

    Lol Okay, who said this? "Do or do not, there is no try"
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    Cannot reinstall lower unit on 1990 150 blackmax

    Yes, if you greased the top of your driveshaft the shaft will not fully go in because of hydraulic lock....not sure you got that far though. Everything in neutrual and spin the flywheel while pushing...hopefully you have cleaned up all the studs and bolt holes. I watch 4 YouTube videos and...
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    76 Johnson 15 HP

    Here is how I remember. When in the boat and looking forward the left side is the port side. Both "left" and "port" have 4 letters. Starboard and right do not match. Easy way to remember.
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    1992 Evinrude 150 Oceanpro

    Shouldn't run it until alarm is hooked up. With missing t-stats there is a good possibility there was an issue. Temp sensor comes out of the back of the head....note wire color. I was thinking of an IR gun like this.
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    1992 Evinrude 150 Oceanpro

    Engine was designed to have t-stats. Perhaps you have some clogged passageways. Do you have any temp readings of each head? Is your overheat alarm working?
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    Carburetor tuning on muffs

    Might want to start all over with idle screws. Start 1 1/2 out from lightly seated. Then adjust each one. Then get it on the water and bomb around a little if it's running ok. Then dial in the carbs again for low idle fuel mixture.
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    What to jump on old Johnson 65HP

    Lol, no problem. At this point hook up some fuel and water and see what is does? Without the plug in you will have to figure a way to kill it.
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    F70 Yamaha, how many hours are possible before major rebuild?

    Always a crap shoot but everything sounds good and being 2014 pretty new. If your a nervous Nelly, buy new with a warrenty. Good luck.
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    What to jump on old Johnson 65HP

    Wiring scem shows this plug.
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    F70 Yamaha, how many hours are possible before major rebuild?

    You never said the year.... Motors like to be used mostly, everything stays pliable. Compression check sounds in order.
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    What to jump on old Johnson 65HP

    You can just undo the ground kill wires than and spin it over. Should tell you what you want to know. By the way, if it gets windy out make sure you bring your kidney belt!
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    F70 Yamaha, how many hours are possible before major rebuild?

    I knew an owner of a Yamaha/Evinrude/ Grady White dealership and he said when he was at a dealership could convention he was boasting about how he had a customer with 8500 hrs on a four stroke yamy. Next thing you know everyone was boasting about a customer with lots of hours one even claiming...
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    Auto Bilge Pump Wiring

    Or hope you auto pump switch doesn't stick on ... Always something!
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    What to jump on old Johnson 65HP

    Doesn't this motor have a main wiring harness plug back at the motor? If so unplug it, hook up your spark tester and jump the soloniod. That should produce spark. By the way....that tri hull weighs more than 500 lbs.
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    What to jump on old Johnson 65HP

    Pretty sure people will need pictures on this one plus your questions are tough to understand.
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    Merc 150 Fourstroke trim up intermittent when off? *Video* need input.

    Weird one but solved.....happy boating!
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    1978 evinrude 70hp model 70873 problem

    Yes, I missed that. Your prop is banged up already....in fact your whole gearcase doesn't look so good. Inspect and correct.....then go test.
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    1978 evinrude 70hp model 70873 problem

    Everything looks ok....when it over rev'd did it sound like it was over revving? Might have an electrical issue that made the tach read incorrectly and bog the motor down.
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