130 is the tire tread width in millimeters. 90 is the aspect ratio for the sidewall in relation to the width or in laymen terms it the height of the sidewall. 16 is the size wheel it fits in inches.
130/90 16 is the conversion size for the front tire
Front tire: 130/70-18Rear tire: 160/80-16
130/90/16
130/90-16 73h
16" 130/90
16" 130/90 is the standard tire very what size you now have on the bike to make sure on changes have been made.
130/90-16 67H . Michelin- a 48 . Dunlop F-11
front = 3.50-18 rear = 130/90-16
130/90H x 16" front & rear.
From the book-----130/90-16 67h front..........rear-150/90-15 74h
1979 XS1100 S Front tire 100/90 19 or 110/90 19 Rear tire 130/90 16 Stock or 140/90 16 DunlopE3 Black wall only
The size you have is about as cheap as you will get in a 16" tire.