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XS650 Guru
As a finishing touch, your bike is just crying out for replacement screws for the points and advance covers. Go to McMaster Carr's site and punch in part #92000A428, dead ringers for the originals in stainless. You can also get the smaller size (M5x10) for the alt. cover. I recommend using a 12 or 14 for that cover though. Yamaha cheaped out and used screws (the 10s) that were too short and don't reach into all the threads available.
Yup, been on my list, just never got around to it. Just went to their website, looks like you can only buy those screws in pkgs. of 25, although they're only $5.85 a pkg., the 6mm only come in 50 to a pkg. Kinda overkill.