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-”.
Model 88 Multimeter with
tachometer
YU-A1927
Digital circuit tester
(CD732)
90890-03243
Feeler gauge set
YU-26900-9
Thickness gauge
90890-03180
Six piece tappet set
YM-A5970
Tappet adjusting tool
90890-01311
Digital tachometer
YU-39951-B
90890-06760
Engine compression tes-
ter
YU-33223
Compression gauge
90890-03081
Extension
90890-04082
Primary clutch holder
YS-01880-A
Sheave holder
90890-01701
Heavy duty puller
YU-33270-B
Flywheel puller
90890-01362
Valve spring compressor
90890-01253
Cylinder gauge
Commercially obtainable
Dial indicator gauge
YU-A8428
Dial gauge
90890-03097
Piston ring compressor
YM-08037
90890-05158
Oppama pet–4000 spark
checker
YM-34487
Ignition checker
90890-06754