Special Tools - Yamaha YZ250 Handbuch

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
YU-1135-A, 90890-01135
YM-1189, 90890-01189
YU-1235, 90890-01235
YU-3097, 90890-01252
YU-1256
YU-90050, 90890-01274
YU-90050, 90890-01275
YU-90063, 90890-01278
YU-1304, 90890-01304
YU-24460-01,90890-01325
YU-33984, 90890-01352
Tool name / How to use
Crankcase separating tool
This tool is used to split the crankcase as well
as remove the crankshaft from either case.
Flywheel puller
This tool is used to remove the flywheel magneto.
Rotor holding tool
This tool is used when loosening or tightening the
flywheel magneto securing nut.
Dial gauge and stand
Spark plug hole dial stand
These tools are used to set the ignition timing.
Crankcase installing tool
Pot
Bolt
Adapter
These tools are used to install the crankshaft.
Piston pin puller
This tool is used to remove the piston pin.
Radiator cap tester
Adapter
These tools are used for checking the cooling
system.
SPECIAL TOOLS
YU-1135-A
YM-1189
YU-1235
YU-3097
YU-1256
YU-90050
YU-90063
YU-1304
YU-24460-01
YU-33984
1-7
GEN
INFO
IIIustration
90890-01135
90890-01189
90890-01235
90890-01252
90890-01274
90890-01275
90890-01278
90890-01304
90890-01325
90890-01352