I cannot stress enough that there must be ZERO resistance, other than that created by the seal. Any resistance can lead to PGM (ECU) failure, hence why the RC Valves should be cleaned regularly.

There must be a big pile of old RC Valve shafts lying around out there somewhere. Best put a wanted post in the Classifieds. I am sure someone will have a good one they will sell you.

MC21/MC28 shafts are interchangeable.

Don't forget the nut is left hand thread.
_________________
Andy.
NSR-WORLD.COM

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