I wouldn't waste money on the Flex bars. That's a ridiculous expense. I have this Alba +2 stem. It's nice. https://www.ebay.com/itm/184955487409?fits=Make%3AYamaha&itmmeta=01HVVK777EVB43A4DXQXZDJVYD&hash=item2b1034c4b1:g:jdcAAOSwcaFZH0ca&itmprp=enc%3AAQAJAAAA0Bd9Cskx2%2Fa2%2FfQcfzQMhMWXIUGeBAwqgTER862IQb%2F0AWp9kmfdnCFKiGwTBAIbvHWh92FxjQK8QNjFYOwoiTnPNmldxPXRBWAJZdRS5b4oNNgR68DYEpyLV%2FGkc9SfaDdYvvkjBtL41rt4QXRp7EHgUmG%2BH9Zx3AUsZHG6ylZOp4tXSbBjiUNRUfVRtQjUe3N77QtA9EGlMTHHyXcGPuSbe4zQ1qtn5ab%2B5ffF40KoYhAekZ6mg%2Fc%2B6ANHX1zcszF9CkLgBGbnpgLHZ4GDX1M%3D|tkp%3ABk9SR-jznPPeYw
A-arms typically come with the correct tie rods.
What "clutch setup?" I'd buy a new cable. Again, a fraction of the cost of Magura.
Go with Driveline sprockets and chain.