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

    Which sealant is good for the exhaust tube to engine . Can I use the Loctite? It says Flange sealant.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok I will do that tomorrow. The motor is done. I did not put back the head cover or tye exhaust cover to reduce weight, putting it back on will be a pain. I don't know if I can use an engine hoist don't think they go that high up. I was thinking to have a few friends like 4 help me put it...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I tried to pull on the water tube but could not get it out. So it should come out easily? I can try to pull harder. For a while I thought I have to drop the lower part where the water impaler is.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    One more question on the drive shaft on top there is a rubber sleeve of sports that I am not sure where it goes.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So I replaced the seal but have no clue where that grommet goes. Don't tell me it goes down by where the pipe goes through the casing to keep it steady see picture 1
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok Yeah book says so also thanks
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So I I broke 2 rings thatbgo on the crankshaft and looking at the diagram I thought they were tye F85410 so I got them. Turns out those are not it. Theybare Crancase seals F316579. These cost a bit new, I found them used from a 140 engine for 29 bucks for all 3. My question is can I buy the used...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Bought them already they are discontinued in most places.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Thanks
  10. G

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

    Good to know and I will. So I have not heen able to locate the seal and grommet for the inlet water bracket. Topgun3690 mentioned what they are. Any idea on part numbers. I think I might leave it as is if I cannot locate them. Let me know and thanks.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok so I got all the pistons assembled, tead about what to use to hold the needle bearings in and settled for vaseline and 2 stroke after . It worked. What do you suggest for the crank needle bearings. Those are larger. I have 5 different greases and vaseline.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok that's all clear thanks. There is a seal that I want to know if it should be replaced. I am including a picture. Center black.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So it's ok to have a little space as shows în the pictures?
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok I think they actually work. There is a little space but I think it's normal
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I have a problem. So the pistons from WSM .020 look a bit different inside. Model number 100-205-05k O called and spoke to Florida tech support and they said this is the model for 1990 Force B model 3.375 opening rebored .020. If you look inside thespacers don't fit anymore. They sent their own...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Yeah I have to order the second one, only have one. I just got done pressing the race pins out of the old pistons good thing I have a friend with a body shop. I used a 20 ton press he keeps unused in the back of the shop, you still had to hold it in a perfect straight position to get it out...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

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

    https://www.ebay.com/itm/153844333409 816515 Driveshaft Stand Tube The question is where it goes it seems to be a single. Anybody seen this before? If you opened it up it mu
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Ok so I am waiting for the machine shop to do the block reboring. In the meantime I am cleaning and prepping it all. I have a question on a piece that fell in the initially dismantling. I asked this before and still have no clue where it goes. The black plastic piece. The only place that it...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    In the book the spaghetti seal is in the 120HP model A the B and C have the Loctite. I just read that recently in the service manual.
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