A SERVICE OF

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SPECIAL TOOLS
Dynamic spark tester
YM-34487
Ignition checker
90890-06754
This instrument is necessary
for checking the ignition sys-
tem components.
Digital tachometer
YU-39951-B, 90890-06760
This tool is needed for ob-
serving engine rpm.
YAMAHA Bond No. 1215
(ThreeBond
®
No. 1215)
90890-85505
This sealant (Bond) is used
for crankcase mating surface,
etc.
Tool name/Part number How to use Illustration