I don't recommend getting the seals from Mike's. There have been issues reported with them (like they don't work, or work for long). Besides, they're much cheaper directly from Yamaha .....
https://www.partzilla.com/product/yamaha/93102-25090-00?ref=31a713d198e476543ab22f84bf66662c5fc3796b
The gaskets, on the other hand, are cheaper from Mike's. But maybe eBay is a better option .....
https://www.ebay.com/itm/NOS-Genuin...8337?_trksid=p2349526.m4383.l4275.c2#viTabs_0
https://www.partzilla.com/product/yamaha/93102-25090-00?ref=31a713d198e476543ab22f84bf66662c5fc3796b
The gaskets, on the other hand, are cheaper from Mike's. But maybe eBay is a better option .....
https://www.ebay.com/itm/NOS-Genuin...8337?_trksid=p2349526.m4383.l4275.c2#viTabs_0