I have been trying to find a red Yamaha Accelerator Jacket in size medium.

Absolutely no one has any, not even eBay. Even Yamaha only has L and XL left.
http://www.yamaha-motor.com/sport/products/modelapscitemdetail/1/14/6/0/0/1/1/4846/0/0/detail.aspx
http://www.yamaha-motor.com/assets/accessories/500/SPB-05JAC-RD-500.jpg

If anyone knows where I can find one of these, then let me know!