I don't know if anyone even is looking for parts, but Leonard at Redline has them. He has the largest inventory of 500V parts in the world and here's a link to his fiche:

http://redline-ci.com/part_books/Honda/0500nsr500v/0500_main/2_part_index/0500_nsr500v_main.asp

Also, I am in no way affiliated with the shop. If you thought your 125 and 250 parts were pricey, wait till you see these. These are Honda prices as he does not add any rarity value. Very fair pricing.

Enjoy,

Joel
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1994 MC28 Rothman
TSR250 AC28M