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    81 Johnson 90hp re-ring/low comp help

    So I picked an 81 johnson 90 horse v4 last year and had it out once. it ran alright other than dropping a cylinder (bad coil pack) every once in a while. I had a finicky idle and hard to start without giving it a lot of gas. Did a comp test and had a wide range of readings from 80 down to 30...
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    Pontoon Boat After Wildfire

    So my parents were the victims of the Butte Wildfire out in California last month. Thought you guys might be interested in what happens to a 22ft party tracker with a 90hp yamaha after a wild fire. Fire is a weird thing. The Mihandra tractor in the second picture had the trailer hitched up to...
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    81 Johnson 90hp Dropping Cylinders while underway

    So I repowered my pontoon with a 81 Johnson 90 and I am having a few issues. First and foremost I know this motor needs rings. I tested compression when I first got it on the boat and it was low but I couldn't get repeatable results between the cylinders. So in the off season I will be...
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    81 Johnson 90hp Rectifier Change - Going from 4 Wire to 3 Wire Rectifier

    My current rectifier isnt charging and not driving my tach. I ordered a new sierra rectifier which is a 3 wire. The one my motor is a 4 wire. I'll try to lay it out below. Rectifier Wires --------> Terminal Board/Motor Wires Red Red Yellow...
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    No voltage jump while running, tach not working 81 Johnson 90

    I have a 81 Johnson 90 I just put on my pontoon. Everything runs good. Only real issue is my tachometer does not work, and im not getting a voltage jump from my battery while running. First off about the voltage. Reading straight off the battery without the motor running. I get 12.8v With...
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    Just finished installing 81 Johnson 90 , Questions about Tach and Rig

    I have a 99 Suntracker that was powered by a 1996 Force 50 that I replaced with an 81 Johnson 90. Just got it installed and all the wiring tied into the stock harness as well as the control box and cable ran. Motor runs great and idles good, but I have two issues. First one is...does anyone...
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    1996 force 50 Wiring Diagram...Anyone have one?

    I need a 1996 force 50 Wiring Diagram. My boat has a 1996 force 50 and I am going to be putting on an early 80's johnson 90. My boat has a 7 pin ( i think, need to confirm) connector. Just trying to get a map or where I need to go.
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    Is my transon setup for a 20 inch motor

    So I have a 99 Suntracker with a force 50 motor that the top cylinder broke a ring landing. I am currently weighing my options of replacing that piston or just getting a new motor. The force is a 24 inch motor and the anticav plate sits about 5 inches below the bottom of the motor pod. Also...
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    1996 Force 50 Dropped top cylinder...opinions?

    Got a free pontoon last year with a 96 force 50. It blew the adapter plate gaskets out 2 times. This year I found a couple cracks on the adapter plate and it was a little warped. I had the cracks welded and I flattened the plate out the best I could. Got it put back togeter and found out...
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    96 force 50 weak starter...options *UPDATE*

    Trying to get my motor going and having issues with the starter. I might get 1-2 compression strokes before it stalls out. ALl contacts are clean. Even ran jumper cables straight to starter and still nothing. Has anyone had success tearing one apart and sanding down the brushes and comm or...
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    96 Force 50 Adapter Plate Cracked - Options???

    So after a disastrous last season with this motor, and blowing out adapter plate gaskets in under 10 hours I pulled the powerhead off and found my adapter plate is cracked. I highlighted the cracks in red on the picture. It also has a very slight warp to it, it will rock back and forth on a...
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    96 Force 50 hard to start and get in gear - Timing Rod?

    I've got a 96 Force 50 I have had out a few times. It is pain in the rear to get started. I have to give it about half throttle to get it to fire. It runs like a champ above 3k. Under that it feels like it misses, the tach drops off 500rpm before the motor catches itself. And when i does...
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    Prop keeps blowing out...

    So I think I finally got the issue with my motor blowing out adapter plate seals behind me, now I am dealing with the prop. I've uploaded a picture of where the motor is sitting now and thats as low as it will go. Its a force 50 turning a solas amita 11.6x11 3 blade prop at 5200 RPM and I can...
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    I don't think this guy did anything right lol.

    Pin it to win it only works....well never Make sure you attach your chain/cable Make sure your winch is locked Make your your hitch is pinned Make sure your break away chains are attached Make sure not to reproduce
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    1996 force 50 keeps blowing adapter plate gasket

    For the second time my motor has left me stranded, this time on an island on lake ouachita. The first time out with this motor I couldn't get it off the trailer due to a blown adapter plate gasket choking the motor out. Pulled the power head replaced it and it just did it again after an hour...
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    You should check your rigging before you splash

    So I splashed my toon for the first time and everything checked out good. Coming back in saw a guy with the same toon (21ft party barge) except he had a brand new mercury 90 on it. So he gets it fired up, backs it off the trailer and starts swinging the back end towards the rock levy. Well he...
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    21ft Pontoon and Force 50 = 18 MPH

    I have a 21ft party barge with 96 Tracker/Force 50. It has a solas 11.5x11p prop on it. Took it out for the first time and i got 5200 RPM (stock speedo, not other way yet) and a GPS 18 MPH. Best I can find on the net is it has a 2:1 Gearbox. So that give me a 33% slip. I was having problems...
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    1996 50 ELPT Need Manual - Exhaust Leak

    Tried taking the pontoon out today and was left broke down on the trailer. I have an exhaust leak coming from the lower aft left side of the motor. The motor won't run more than a few seconds with the cowling on from it sucking so much exhaust. Just need a manual to pull the power head and...
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    1996 50 ELPT throttle cable rigging...need help

    I had to replace my throttle cable and now trying to adjust it is driving me crazy. With the control in Neutral and the throttle body against the idle screw I adjusted the barrel nut and installed the cable. Now when going to WOT with the control, the throttle blade goes past WOT and starts to...
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    2 questions...wiring/pre-mix

    How do you guys deal with mixing you gas and oil when filing up at a marina. I got a 20 gal tank and figure if I add oil them fill the tank. By the time I drive to the ramp it will be mixed. But what about filling up at a marina, how do you mix it then? Second. Is there any issue with using my...
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