Tool name/Part number
Digital tachometer
90890-06760
Digital tachometer
YU-39951-B
Yamaha bond No. 1215
90890-85505
(Three bond No.1215®)
How to use
This tool is used to measure
the engine speed.
This sealant (Bond) is used
for crankcase mating sur-
face, etc.
1-18
SPECIAL TOOLS
Illustration