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SPECIAL TOOLS
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.
N
OTE:
• For U.S.A. and Canada, use part number starting with “YM-”, “YU-” or “ACC-”.
• For others, use part number starting with “90890-”.
Part number Tool name/How to use Illustration
YU-1135-A, 90890-01135 Crankcase separating tool
These tool is used to remove the crankshaft from
either case.
YU-3097, 90890-01252
YU-1256
Dial gauge and stand
Stand
These tools are used to check each part for runout or
bent.
YU-90050, 90890-01274
YU-90050, 90890-01275
YM-91044, 90890-04081
YU-90063, 90890-01278
Crankshaft installing tool
Crankshaft installing pot
Crankshaft installing bolt
Spacer (crankshaft installer)
Adapter (M12)
These tools are used to install the crankshaft.
YU-1304, 90890-01304 Piston pin puller set
This tool is used to remove the piston pin.
YU-24460-01, 90890-01325
YU-33984, 90890-01352
Radiator cap tester
Radiator cap tester adapter
These tools are used for checking the cooling sys-
tem.
YU-33975, 90890-01403 Steering nut wrench
This tool is used when tighten the steering ring nut to
specification.
YM-1423, 90890-01423 Damper rod holder
Use this tool to remove and install the damper rod.