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hesitation at light throttle, broken carb mixture screw

  • Thread starter Thread starter rangerdanger
  • Start date Start date
R

rangerdanger

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1982 gs750e, DJ3, 4-1, pods, dyna ignition.

So the short and the long of it is ive had the bike for 2 years, done NOTHING to the thing, has always ran tip top, until this summer.

hesitation on steady cruise 1/8 throttle or low rpm crusing any gear, seems to be most apparent around 3500 and 4500 rpms.

step one, inspect valvetrain. all within spec. all valves within .003-.005.

carbs have been synced, all are good!

NEXT!

ALL PLUGS ARE BLACK AS NIGHT.... rich condtion, OK. soo started playing with mixture screw and was 3/4 the way through setting with highest rpm method, and found no change when turning number 1(most left) cylinder. further inspection showed a damaged/broken off mixture screw. i dont believe this was my doing, i have a gentle hand. could it have been like this all along? PO advised me he also didnt perform any work to the bike. im attempting to save the body, but i need tools i dont have at home.

could this have been my problem? one cylinder out of balance causing a rich condition across the remaining cylinders?
 
How do your pod filters look ? maybe they ain't flowing enough air now. Check vacuum slides to make sure they aren't sticking.
 
vacuum slides slide with ease, pods appear to flow well. how should i test this? remove them and ride and see if it runs better?
 
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