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Thread: ATC 110 Valve Trouble

  1. #16
    Join Date
    Nov 2009
    Location
    Missouri
    --
    87
    That looks like a good idea and I will try it out tomorrow.

    Thanks.

  2. #17
    Join Date
    Oct 2008
    Location
    NB, Canada
    --
    852
    That looks like a better way, but here's how I did it:
    I took the rocker arms out, then put the pins for them back in.
    I then took a screwdriver and pried down on the valve spring using the rocker pin to pry against, then I removed the keepers.
    Putting it back together is a little more tricky.
    I'd pry down on the valve spring again, but when you do the valve spring goes crooked, so you can only put one keeper in.
    slowly realease the spring until it catches on the one keeper.
    Turn the spring 180 degrees carefully, pry down on it again and put in the last keeper.
    Done
    Rides:
    1985 250sx
    1982 ATC185s
    1984 200es

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  3. #18
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,493
    I put a shop rag under the head, use a socket and smack the top washer of the valve, it lets the keepers fall out.

    Then I use a long piece of tubing with holes slotted in the side and push down on it while using a magnet to get the keepers in.

    Of course the right tool would be great, but I rarely do valve work and usually just for valve seal replacement

    Creativity and persistence prevail, as long as no parts are compromised!!
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  4. #19
    Join Date
    Nov 2009
    Location
    Missouri
    --
    87
    I got everything apart without any trouble. The valves seem ok and aren't bent but were very dirty and carboned up. I will clean them up and lap them.

    I may have found a problem though. It looks like there's some surface rust on the top inch of the cylinder from sitting I suppose. Do you guys think it will affect anything?

  5. #20
    85Tecate is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2009
    Location
    Iowa
    --
    442
    Quote Originally Posted by MrGiggles View Post
    I got everything apart without any trouble. The valves seem ok and aren't bent but were very dirty and carboned up. I will clean them up and lap them.

    I may have found a problem though. It looks like there's some surface rust on the top inch of the cylinder from sitting I suppose. Do you guys think it will affect anything?
    Get a bore reamer or have a shop ream the top of the bore to match the rest. This can cause wear on the piston/rings and even break rings if its bad enough. If its just surface rust though, and not stuck on flakey stuff you can just use a piece of emery clotch and smooth it down. Dont stay in one spot do long even strokes so you dont make it out of round.
    1985 Kawasaki Tecate 3

  6. #21
    Join Date
    Nov 2009
    Location
    Missouri
    --
    87
    Quote Originally Posted by 85Tecate View Post
    Get a bore reamer or have a shop ream the top of the bore to match the rest. This can cause wear on the piston/rings and even break rings if its bad enough. If its just surface rust though, and not stuck on flakey stuff you can just use a piece of emery clotch and smooth it down. Dont stay in one spot do long even strokes so you dont make it out of round.
    I haven't done anything about it yet, it's not really rust, more of a discoloration. If it runs okay like this I was going to hone and put new rings in anyway.

    Last night I got the whole engine put back together, but it only popped a couple times and plumed blue smoke out the carb like before. I think the timing is still off, either the timing chain or the ignition timing. I set the ignition timing to where the points start to open right when the F on the flywheel meets the mark on the coil. To set the timing chain I moved the T towards the head centerline, and matched the O on the cam gear to the notch in the head and installed the cam. I also lapped the valves down (Intake was pitted badly, exhaust was good) and they seem to be sealing good. The compression is much better, but probably won't be great until I get a gasket set.

  7. #22
    Join Date
    Nov 2009
    Location
    Missouri
    --
    87
    Nevermind

    10 char
    Last edited by MrGiggles; 12-14-2009 at 10:57 PM.

  8. #23
    Join Date
    Nov 2009
    Location
    Missouri
    --
    87
    Fiddled with it some more, still can't get it to run. Any tips for setting the ignition timing? I have verified that the cam timing is correct.

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