rz350 wrote:I have bought an MC21, and have the same question about the power-valves.
Should the servo motor turn while I switch the ignition on? Like it does on my RD350 YPVS or not?

No, PGM unit will not perform the "test cycle" of Yamaha bikes.
You will have to blip the throttle and check that the rc valves are moving.
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