Special Tools - Yamaha 2011 YZ250FA Owner's Service Manual

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 pro-
vided. Refer to the list provided to avoid errors when placing an order.
• For U.S.A. and Canada, use part number starting with "YM-", "YU-" or "ACC-".
• For others, use part number starting with "90890-".
Tool name/Part number
Crankcase separating tool
YU-1135-A, 90890-01135
Flywheel puller
YM-1189, 90890-01189
Rotor holding tool
YU-1235, 90890-01235
Dial gauge and stand
YU-3097, 90890-01252
Stand
YU-1256
Crankshaft installing tool
Crankshaft installing pot
YU-90050, 90890-01274
Crankshaft installing bolt
YU-90050, 90890-01275
Spacer (crankshaft installer)
YU-91044, 90890-04081
Adapter (M12)
YU-90063, 90890-01278
How to use
These tool is used to remove
the crankshaft from either
case.
This tool is used to remove
the flywheel magneto.
This tool is used when loos-
ening or tightening the fly-
wheel magneto securing nut.
These tools are used to check
each part for runout or bent.
These tools are used to install
the crankshaft.
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SPECIAL TOOLS
Illustration