Hi,
I have an MC16. My bike also exhibits the servo motor twitching when you first turn the ignition on. It does this intermitantly - not every time the ignition is turned on.

My servo motor cycles at 2000rpm - completely opens the rc valves and then closes them again. According to what I have read this is what it is supposed to do.

Beyond that, I believe, the servo motor should begin to open the valves at 7000rpm and they should be completely open around 10K. One way to check would be to disconnect the servo motor, open the valves manually and run the bike to see if you get the same top end performance - should be the same up top and slugish down low. This is according to what I have read - haven't tried it on my bike yet but it can't hurt anything.

shortsleeve
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