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Cam Chain Guide Installation Help

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    Cam Chain Guide Installation Help

    Hi! I am putting my 1976 GS750 motor back together. I seem to have missed taking ANY pictures between the motor sitting on the bench and after the jugs were off. Fortunately, I know a great group of people that are great at solving problems! (That's you guys) SO.... I have the head on and torqued down. Next step is to install the front (exhaust side) cam chain guide. As i understand, it slides INTO the "U" shaped cup screwed to the bottom of the case that "hugs" the chain/gear going around the crankshaft. However, after sliding it into the cup and bending it back (yes, it is under some tension, wanting to force the top towards the intake side. Not a whole bunch, though) so that the ears on the top of the guide can slide into the recesses in the head, I hit my snag. It seems like the guide is touching the cam chain. I can't tell how much and the flashlight causes some reflections and its hard to see down there. It may just be REALLY close to touching, I can't tell. Thinking through it, It seems to me that that would cause a lot of wear on that part and probably isn't right. I'm pretty positive I installed the "cup" correctly. As I recall, the other side of the cup has a small triangular divot that the rear (intake) chain guide mates with. I also cannot install the guide outside the cup as it would have to bend WAAAYYY too much to fit into the head. The only solutions I see are that it is installed correctly and I am worried about nothing, or that there is a slightly different way to slide it into the cup. Can anyone offer a solution? Something I haven't thought of?

    #2
    If the guide is flush with the top of the head it is installed correctly.
    1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
    1985 GS1150ES stock with 85 Red E bodywork.

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      #3
      Thank you!

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        #4
        79 gs750

        I have the same problem. What did you do to fix it?

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          #5
          Bump for more info...
          This sounds like the cam chain guides are installed after the head is installed and the guides just slide into the cup at the bottom. If this is true, does that mean I can remove the guides with the head on?

          I'm trying to retrieve some broken bits from the cam chain tunnel. Being able to remove and later reinstall the guides would make this easier.
          Jordan

          1977 Suzuki GS750 (My first bike)
          2000 Kawasaki ZRX1100
          1973 BMW R75/5

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