03-05-16, 05:29 AM
The nuts are M10 x 1.25. You can find stainless flanged nuts on ebay cheaper than Yamaha items, no rust eitherĀ
http://www.ebay.co.uk/itm/M10-X-1-25-STA...SMiHKEwZow

http://www.ebay.co.uk/itm/M10-X-1-25-STA...SMiHKEwZow
Complete fabrication, I didn't make it up!