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  1. G

    1990 Force 120HP trim and tilt not keeping motor up no leaks

    The bearing is spinning fine, how do I tell if it is compromised? I mean it should not make any noise right even thoigh it is a niddle bearing. Without oil it does feel a bit rough. Can it be saved?
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    Will do So there are 2 bearings one on the main shaft which was definitly full of crud and the other attached to the reverse gear don't know if it is salvageable. That one is big. I cannot find a part number for it. Any ideas? Here are pics of the bearings and clutch dog(I think)
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    So I took the drive apart. Need some bearings and seals
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    OK so I pulled the drive and before I did that. I drained the liquid Inside and surprise surprise there was water with a little bit Of fluid luckily it was only lake water. I removed the propeller and the shaft inside I didn't see any rust I looked at the spines in the crankshaft and they look...
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    I did not touch the drive. So the main shaft is not being turned by the drive. With engine off when I put it in forward or reverse the propeller locks as it should when turned one way and when I spin it the other way it feels a little heavy as if the drive is engaged but not as heavy as the...
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    Ok so the motor runs great but it doesn't go in gear. When I put it in gear with engine off and spin the propeller by hand it doesn't spin the pistons like the other one does. Wtf. I remember when I was rebuilding the engine I did that and it was the same, no spinning. But I ignored it. I don't...
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    I am , since I need it. Trying to figure out the PM part hahaha
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    https://www.amazon.com/Carburetor-Stratton-Vertical-Industrial-Engines/dp/B07H3TRJZX/ref=mp_s_a_1_6_sspa?adgrpid=57552594953&hvadid=274900480687&hvdev=m&hvlocphy=9031161&hvnetw=g&hvqmt=e&hvrand=18386079144937820868&hvtargid=kwd-336707805583&hydadcr=13304_9594727&keywords=briggs+and+stratton+39818...
  9. G

    1990 Force 120HP trim and tilt not keeping motor up no leaks

    Is the thumb picture the 398188 seal? And it takes 2?
  10. G

    1990 Force 120HP trim and tilt not keeping motor up no leaks

    Yeah sorry for the typos auto correct on the cell is the cause. So the motor works it drive it up, but it immediately wants to slide back down. I know there are seals for the shock plus tilt trim which I already have, but upon reading more into it there seems to be the check valves seals in the...
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    So I rebuilt this motor successfully. I have a fual motor on my 24 footer. And after I raised it up it slowly started sliding down. It foes stip but too low for confort. The other one slides down only half way. There are no leaks on the outside anywhere. So I read and bought some cylinder kit...
  12. G

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So I used the oil and it is still not staying up after lifting it up. I got the cylinder kits Can the valve body also be leaking?
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Is that what you used? They say w30 is the safe all around lower viscosity that 10w40. They recommend iso68 which is a SAE 20 the SAE30 is ISO100. So the 40 is even higher. Wanna make sure the outboards don get stuck from higher viscosity. Just asking. Thanks
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Was looking at the trim fluid for these, and the book says 10w40nd I used power steering and trim gray bottle from Quicksilver and after doing some reading it seems that it is too thin. Most recommend ISO32 or 68. Or oil w30. Could this be the cause for it being bumpy when lowered or because it...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Bought this one https://www.ebay.com/itm/333123543858?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=MX64R-rgQ5S&sssrc=2047675&ssuid=G6eGuqiWQXi&widget_ver=artemis&media=COPY
  16. G

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So the motor is back and I started it after doing timing at 28BTDC it started and it runs pretty good compared to older ones I heard, no knocking or tapping just exhaust noise. It holds idle fine, I have to adjust the carbs and the idle. I am looking at the trim system the motor goes up and...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Almost done with the rebuild wating on a part for the timing screw back plastic. Already replaced the front. Both broke in half. Anybody know if the 120hp engine is supposed to move left and right easily by hand. Both of mine move but I have to push pretty hard, using both hands. There was...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Thanks I figured that and used this one...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Anybody?
  20. G

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I see nobody around for my previous so for the exhaust piece can I use the Loctite or something else? I want to install the engine tomorrow. Waiting on this.
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