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Rob, I reckon you are right on that one. Mine only pops (so to speak) in only a minor way and my bike has never ridden so well. I think it's spot on, so it's nice to know what these little symptoms mean so we can get optimum performance and economy.



I know what you mean. My bike pops quite a bit no matter the RPM, but I have tons of torque and power across the throttle. Perhaps, a richer needle could eliminate some of the popping at the lower end, but I am not sure of making that change. With the carbs and 904 kit, it takes me a good 3 minutes or so to warm up the motor.

In Between the Dark and the Light..