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Stuck Crankshaft!

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    Stuck Crankshaft!

    I have an 83 GS 550 that has the head and cylinder removed for repairs and while removing the pistons the crankshaft locked and won't move except for a tiny little bit in both directions. Please help! What caused this and how can I fix it?

    #2
    What did you do with the cam chain while rotating? Might be bunched up under the crank.
    GS\'s since 1982: 55OMZ, 550ES, 750ET, (2) 1100ET\'s, 1100S, 1150ES. Current ride is an 83 Katana. Wifes bike is an 84 GS 1150ES

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      #3
      what he said!

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        #4
        Originally posted by Carter Turk View Post
        What did you do with the cam chain while rotating? Might be bunched up under the crank.
        My thoughts exactly ......or something else fell in when you weren't looking. If it did, pull up on both runs of the chain and wiggle to unjam it. If it's really stuck maybe pull the oil pan off.
        '84 GS750EF (Oct 2015 BOM) '79 GS1000N (June 2007 BOM) My Flickr site http://www.flickr.com/photos/soates50/

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          #5
          Ur right there might as well split the cases
          Originally posted by tkent02
          That's not a tree, that's a shrubbery. Now get to work on that old dirt bike
          John 3:16

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            #6
            You don't need to split the cases to unlock the crank shaft. If pulling up on both sides of the chain does not help loosen the crank, then remove the oil pan so you can see what is causing the chain to jam up. Did the bike get knocked into gear???
            1981 GS 1000GLX.
            1981 GS 1000G.
            1981 GS 650GLX.
            1975 TS 185.
            1972 100. Kawasaki.
            1968 100. Suzuki.
            1970 Z 50. Honda.
            1984 CT 70. Honda. (Kids)
            1982 DS 50. Suzuki. (Kids)

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