Nose ring YS120FZ

[David Flynt]

Hello,

Can anybody please tell me what nose ring(s) fit the YS120FZ?  I am swapping
in this engine it for a 120NC.  The FZ front bearing housing exterior is
machined, and thus slightly smaller than the NC.  Should I just use the CF
Engineering nose ring, and retro fit a fatter O-ring?

TIA

David

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