Vandy thats all good for racing and I dont doubt that you have had good experiences with AMS, but I have to say that maier reproduction plastics arent in the same ballpark as your own countrymans' (Scott Wilson) VMX Plastics, and I say that because of not only the quality of the plastic but the look and shape of the products he makes. It is exactly the same as yamaha themselves. No more do we yamaha folk have to put up with after-market plastic being the wrong shape, the wrong colour, the wrong gloss level and the wrong look in general.
Here is a bloke that is now producing plastics for yamahas that (you/or anyone) would be very hard pressed to tell the difference between genuine NOS Yamaha plastics and VMX Plastics. I wouldnt hesitate in recommending them to anyone and that would include the most anal of concourse restorers whos bikes only ever get close to dirt is when the maid cleans the fireplace out.