Here is the on going rate for the motorcycle tire installation in New York area. (I entered the first zip code in new york from google.)
Preferred Installer Locator
I see that the average price for both tire and wheel installation is about $65 to $75 which is not too far off from $89 you...
You can check Yamaha demo ride schedule in your area.
The coveat is that you can test ride the only current models which means that there is FZ6R or FZ8, not FZ6.
If you are still interested, here is the link.
Star Motorcycles Display and Demo Schedule
The reason that the elbow and forearm got rash was that the jacket sleeve got rolled up or simply it did not hold up?
What is the name of the Canvas pants you were wearing?
I hope you get well soon.