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Bike will not idle now!

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    #1

    Bike will not idle now!

    Hey guys, I have another problem now. Just got my 83 gs750e running great 2 days ago so yesterday I figured it was time to address my oil leak on my valve cover. one of the cam cap holes was stripped so I was going to put in a helicoil. got the cover off and realized my helicoils were the wrong size. I had another set of cam caps I got when I purchased the cams I'm using now so I changed the one out,spun the motor over a few times to make sure nothing was in a bind and it seemed all was good. put it all back together and now the bike starts but will only stay started if I pull the choke! even if I raise the Idle I can get it to idle but if I coast to a stop the bike dies! I didnt mess with the carbs at all! what did I do wrong???
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    #2
    The cam caps are line bored with the head. A matching pair as it were. You should not mix and match caps because they will not be matched to your head. It's possible that the cap you installed is now pinching down on the cam and causing it to bind because the bore is not round. This said, there is typically enough cam bearing journal clearance such that you don't typically have issues. You best check it out right away though. If the cam and cap are scored up you got your answer.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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      #3
      Originally posted by Nessism View Post
      The cam caps are line bored with the head. A matching pair as it were. You should not mix and match caps because they will not be matched to your head. It's possible that the cap you installed is now pinching down on the cam and causing it to bind because the bore is not round. This said, there is typically enough cam bearing journal clearance such that you don't typically have issues. You best check it out right away though. If the cam and cap are scored up you got your answer.
      Thanks Nissism, I'm in the process of taking the cover back off so I can check the bearing.

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        #4
        DOOOOOOH!

        sorry
        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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          #5
          Got it fixed! what I didn't do yesterday was recheck my valve clearance after I jacked with my valvetrane! I took for granted that just by removing one cam cap everything wouldnt move. Boy was I wrong!!! checked my bearing today to see if it was scored but it looked real good. checked my valves and three were tight. Shes back to running right and purring like a kitten at idle. You cant take anything for granted!

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