SPECIAL TOOLS AND TESTERS
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GENERAL INFORMATION
SPECIAL TOOLS AND TESTERS
The proper special tools are necessary for complete and accurate tune-up and assembly. Using the
correct special tool will help prevent damage caused by the use of improper tools or improvised
techniques.
• For U.S.A. and Canada, use part number starting with “YM-”, “YU-”, or “YS-”.
• For others, use part number starting with “90890-”.
Digital circuit tester
(CD732)
90890-03243
Model 88 Multimeter with
ta
chometer
YU-A1927
Thickness gauge
90890-03268
Feeler gauge set
YU-26900-9
Six piece tappet set
YM-A5970
Tappet adjusting tool
90890-01311
Digital tachometer
90890-06760
YU-39951-B
Compression gauge
90890-03081
Engine compression tes-
ter
YU-33223
Compression gauge
e
xtension 73mm
90890-04082
YM-04082
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Flywheel puller
90890-01362
Heavy duty puller
YU-33270-B
Valve spring compressor
90890-01253
Cylinder gauge
Commercially obtainable
Dial gauge
90890-03097
Dial indicator gauge
YU-A8428
Piston ring compressor
90890-05158
YM-08037
Ignition checker
90890-06754
Oppama pet–4000 spark
chec
ker
YM-34487