Special Tools - Yamaha WR250F(N) Owner's Service Manual

EC140001

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.
NOTE:
For U.S.A. and Canada, use part number starting with "YM-" or "YU-".
For others, use part number starting with "90890-".
Part number
YU-1135-A, 90890-01135
YU-1235, 90890-01235
YU-3097, 90890-01252
YU-1256
YU-90050, 90890-01274
YU-90050, 90890-01275
YU-91044, 90890-04081
YM-1277, 90890-01277
YU-1304, 90890-01304
YU-24460-01, 90890-01325
YU-33984, 90890-01352
YU-33270-B, 90890-01362
Tool name/How to use
Crankcase separating tool
These tool is used to remove the crankshaft from
either case.
Rotor holding tool
This tool is used when loosening or tightening the fly-
wheel magneto securing nut.
Dial gauge and stand
Stand
These tools are used to check each part for runout or
bent.
Crankshaft installing tool
Crankshaft installing pot
Crankshaft installing bolt
Spacer (crankshaft installer)
Adapter (M10)
These tools are used to install the crankshaft.
Piston pin puller set
This tool is used to remove the piston pin.
Radiator cap tester
Radiator cap tester adapter
These tools are used for checking the cooling sys-
tem.
Flywheel puller
This tool is used to remove the flywheel magneto.
SPECIAL TOOLS
YU-1135-A
YU-1235
YU-3097
YU-1256
YU-90050
YM-1277
YU-91044
YU-1304
YU-24460-01
YU-33984
YM-33270-B
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GEN
INFO
Illustration
90890-01135
90890-01235
90890-01252
90890-01274
90890-01275
90890-01277
90890-04081
90890-01304
90890-01325
90890-01352
90890-01362