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SPECIAL TOOLS
GEN
INFO
EC140002
SPECIAL TOOLS
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 tech-
niques. The shape and part number used for the special tool differ by country, so two types are provid-
ed. Refer to the list provided to avoid errors when placing an order.
NOTE:
9
For U.S.A. and Canada, use part number starting with “YM-”, “YU-” or “ACC -”.
9
For others, use part number starting with “90890-”.
Part number Tool name / How to use IIIustration
YU-1135-A, 90890-01135 Crankcase separating tool YU-1135-A 90890-01135
This tool is used to split the crankcase as well
as remove the crankshaft from either case.
YM-1189, 90890-01189 Flywheel puller YM-1189 90890-01189
This tool is used to remove the flywheel magneto.
YU-1235, 90890-01235 Rotor holding tool
YU-1235 90890-01235
This tool is used when loosening or tightening the
flywheel magneto securing nut.
YU-3097, 90890-01252 Dial gauge and stand YU-3097 90890-01252
YU-1256 Spark plug hole dial stand
YU-1256
These tools are used to set the ignition timing.
Crankcase installing tool YU-90050 90890-01274
YU-90050, 90890-01274 Pot
YU-90063 90890-01275
YU-90050, 90890-01275 Bolt
90890-01278
YU-90063, 90890-01278 Adapter
These tools are used to install the crankshaft.
YU-1304, 90890-01304 Piston pin puller YU-1304 90890-01304
This tool is used to remove the piston pin.
YU-24460-01,90890-01325
Radiator cap tester YU-24460-01 90890-01325
YU-33984, 90890-01352 Adapter
YU-33984 90890-01352
These tools are used for checking the cooling
system.
1P8-9-30-1 19/5/04 9:00 AM Page 14
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