Yamaha YZ450F Owner's Service Manual page 26

Tool name/Part number
Digital tachometer
YU-39951-B, 90890-06760
YAMAHA Bond No. 1215 (Three-
®
Bond No. 1215)
90890-85505
How to use
This tool is needed for observing en-
gine rpm.
This sealant (Bond) is used for
crankcase mating surface, etc.
1-16
SPECIAL TOOLS
Illustration