I've had this 1981 KZ1000 CSR for two weeks now and I can't get rid of the stumble just off idle to about2,000 RPMs.
BS34 carbs with original 130 jets, airbox (removed for testing) and stock pipes.
All I've read indicates the pilot circuit is at fault. Carb cleaner and compressed air used.
Float level is ¼" down from top. Pilot jets have been removed and cleaned. I have removed the needle jets and cleaned but no obstructions. Needles are non adjustable (one groove) Two air screws are frozen but appear open because a good stream of carb cleaner comes out when sprayed in their holes. The other two are at 1½ turns out. Bike idles and top end (above 3,000 RPMs) is OK. Anything I may have missed?
BS34 carbs with original 130 jets, airbox (removed for testing) and stock pipes.
All I've read indicates the pilot circuit is at fault. Carb cleaner and compressed air used.
Float level is ¼" down from top. Pilot jets have been removed and cleaned. I have removed the needle jets and cleaned but no obstructions. Needles are non adjustable (one groove) Two air screws are frozen but appear open because a good stream of carb cleaner comes out when sprayed in their holes. The other two are at 1½ turns out. Bike idles and top end (above 3,000 RPMs) is OK. Anything I may have missed?