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    kill switch

    The plastic key switch on my boat with 1993 100HP evinrude broke so I bought a new Sierra switch the dealer said would work. I wired it according directions and didn't work. Finally gave up and JB welded the old one back together and wired it like the diagram I made before I pulled it (maybe)...
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    1999 omc 25 hp shift linkage

    Want to change the impeller on the water pump and can't find how to disconnect the shift lift linkage to get the lower unit off. Mr. google was no help, nor was the IPL from a couple of websites. IPL lists show a lower linkage section with couplers, but doesn't show to use a screw driver or...
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    tiller 25 HP heat sensor wire burned

    I started out the other day and after going a minute or so with the 1999 Johnson and it when into the SLOW mode I think it's called. sputter sputter run sputter sputter run, etc. Stopped it, shut it off and smelled something burning. The insulation on the heat sensor wire from the power pac...
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    digital meters

    I am looking for a parasitic drain on the starting battery with a digital meter and when I unhook the ground and span meter leads from battery neg. to neg. cable I get 95 on every meter range. So I don't know if it is 95 microamps, 95 mA or 950 mA. I tried another digital meter and got the...
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    Livewell plumbing problem

    Just bought a used 18" deck boat with livewell in front of console. It has fill tube near the top and a stand pipe with removable plug near bottom (about 2") and an open top for overflow. Livewell also has a drain hole in the bottom. This drain hole just drops straight to the bilge, no hose...
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    Mud Dobbers

    or daubbers. I sold a pontoon with a 25 year old NS40C that had been checked out and ran fine. Got a call the following day that he left the dock, motor running fine then started losing power and locked up. Said he couldn't turn flywheel. Took to shop and unstuck motor, got it running for...
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    12 volts always 12 volts?

    Was adding a hot plug to use a 2 million candlepower spot light on a used boat I bought and found an always hot terminal under the dash and searched around and found a ground bar for the ground wire. I fused my hot wire according to directions, and tested across my new leads at 12+ volts...
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    small direct drive merc

    have a relative with and old 3.6 merc (think about '82) that he uses on his little duck boat and only uses a few days a year. The problem is using it after it has sat for a year. He then brings it to me to clean the carb because it won't run right.. I personally like to run the fuel out of my...
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    Starter part number issue

    The bearing or bushings on the starter are work and shaft is a bit wobbly making it stick on the flywheel occasionally at start. I'm pulling it off to take to a rebuild shop to see if they might fix it. But, in the event they can't, I looked up the part number for a pre 2002 Nissan NS40C...
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    help with pontoon idea

    I currently have a small pontoon, 18' with a 40 HP motor, max speed ~12mph. I'm thinking about getting a 20' pontoon(garage limited) and a bigger motor. I will fish mostly locally, but we occasionally take a fishing trip to Canada (1000 miles), and I'd like to take a pontoon. Looking for...
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    older nissan, air silencer lock plate

    Putting a carburetor back together on a ns40c. I bought the old motor used and the carb had been monkeyed with before (boogered screw slots, etc.). The tabs on the air silencer lock plate (345-02417-1) were both bent at a 90 degree angle into the carb throat. My parts list makes it look like...
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    evil carburetor

    I've been messing with the carb on a 86-88 Nissan NS40C off and on for a year. When it runs it idles, accelerates and runs full throttle fine. when it doesn't run it just won't start. I found one problem the other day, the float valve had stuck shut. Took the carb apart, carb cleanered all...
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    3.6 hp question

    I'm tinkering with an old (about 1980) 3.6 merc that my son bought. It's a direct drive with tank under the cowling. Gas delivery, I believe is gravity(no fuel pump or diaphram in Mikuni carb). Motor will run all day at 1/2 to 3/4 throttle, but runs out of fuel after a few seconds when at full...
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