problems with mikuni bs34 carbs on 1979 xs 400

David Houston

XS400 Member
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i got a rebuild kit for carbs as they were not perfoming l, when i was replacing all the parts i noticed the pilot screws (the ones with plastic pastic caps to stop you altering them) on both carbs were broken and the thin end of the needle of the screw was siezed in the carb bodies , when you look in to the carb with the screw out it was very corroded and gummed up . i tried to release them but they would not move therefor the new ones would not go in.
basically are the carb bodies beyond repair (if so such is life), everything else on the carbs look fine and accepted the replacement parts no problem .
i would really appreciate your advise.
cheers dave
 
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