I still can't tune out the blubbering just in the first few millimetres of throttle. Currently on a 38 pilot, red needle second clip from the top, and a 160 main. Air screw is out about 1.5 - 1.75 turns which seems to be ideal. I've tried all needle positions, 40 and 42 pilots, and all manor of air screw adjustment without success, usually worse actually. With the current settings this bike makes great power all over, excellent transition, torque, and response. No pinging, little smoke, starts right up, chokes great, decent idle too. I just can't get rid of the blubbering just off idle and it's driving me nuts. Bike is new, no motor mods.
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