Special Tools - Yamaha WR250F(D) 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 techniques. The shape and part number used for
the special tool differ by country, so two types are provided. 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
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
Piston pin puller set
YU-1304, 90890-01304
Radiator cap tester
YU-24460-01, 90890-01325
Radiator cap tester adapter
YU-33984, 90890-01352
How to use
These tool is used to remove the
crankshaft from either case.
These tools are used to check each
part for runout or bent.
These tools are used to install the
crankshaft.
This tool is used to remove the pis-
ton pin.
These tools are used for checking
the cooling system.
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SPECIAL TOOLS
Illustration