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YAMAHA YZ250F(D) Owner's Service Manual: Special Tools

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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
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
Piston pin puller set
YU-1304, 90890-01304
How to use
These tool is used to remove the
crankshaft from either case.
This tool is used to remove the fly-
wheel magneto.
This tool is used when loosening or
tightening the flywheel magneto se-
curing nut.
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.
1-8
SPECIAL TOOLS
Illustration

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  • rodrigo Dec 03, 2017 02:34:
    MUY INTERESANT​E EL MANUAL PORQUE AYUDA PARA TENER A PUNTO UN MOTOR BIEN ARMADO TAL COMO INDICA EL MANUAL.