This Supplementary Service Manual has been prepared to introduce new service and data for the
YFM660FS. For complete service information procedures it is necessary to use this Supplementary
Service Manual together with the following manual.
YFM660FP SERVICE MANUAL: LIT-11616-15-01 (5KM-28197-E0)
YFM660FR SUPPLEMENTARY SERVICE MANUAL: LIT-11616-16-34 (5KM-28197-E1)
FOREWORD
YFM660FS
SUPPLEMENTARY
SERVICE MANUAL
©2003 by Yamaha Motor Corporation, U.S.A.
First Edition, April 2003
All rights reserved.
Any reproduction or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in U.S.A.
LIT-11616-17-14