Good point re: price for Floppy Drive belt. For Technics KN2000 + some Korg models + some Yamaha models.

I have since noticed one for a lot less on this current eBay auction:

http://www.ebay.com/itm/Floppy-Drive-Belt-Korg-N264-N364-X2-X3-and-More-/160907650323#vi-content

This auction was still active as of October 26.

re: Floppy Drive belt for:
For: KORG X3, X3R, X2, i2, i3, i4s,
YAMAHA PSR-SQ16, PSR620, PSR1700, PSR2700,
YAMAHA SY77, SY85, SY99, W5, W7, MDF2,
and TECHNICS KN2000

Ron