I bought a set of plates for MC21 dry clutch and got the correct 4+1 fiber plates but I also got 5 steel plates 22322-KV3-780.

according to the parts manual there should be one 22322-KV3-780 and 5 22321-KV3-780 steel plates.

Did the former owner get this totally wrong or could there be a reason to install these plates instead of the standard configuration.

I did f.ex. see that Tyga recommends other than standard plates for the 300cc version.
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Poul
"If Life Gets Boring, Risk It!"
MC21SE, KISS box
MC21SP, HRC box, racing loom