YAMAHA YZ490 L 1984 Owner's & Service Manual 40T-28199-70 #B139

YAMAHA  YZ490 L  1984  Factory Owner's & Service Manual,  1st Edition September 1983, Printed in English and French   OEM Ref. # 40T-28199-70  NOS  New Old Stock.   #B139/B

This is a 1/4 inch thick manual.  Although it is new, the cover is not fresh looking anymore.  Other than that, the manual is in excellent condition.