This kit comprises of 
2 x 90480-12053 Rubber Mounting grommets
1 x 90480-01401 Rubber Mounting grommet 
1 x 371-21714-00 Securing Knob - This part has been discontinued by Yamaha but we have remanufactured these to the original dimensions and specifications.
Shown as part numbers 2, 3, 4 & 5 on the parts diagram.