Yamaha WR250FM service manual Special Tools

SPECIAL TOOLS

SPECIAL TOOLS

GEN INFO

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-”, “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	Dial gauge and stand
YU-1256	Stand
	These tools are used to check each part for runout or
	bent.
	Crankshaft installing tool
YU-90050, 90890-01274	Crankshaft installing pot
YU-90050, 90890-01275	Crankshaft installing bolt
YM-91044, 90890-04081	Spacer (crankshaft installer)
YU-90063, 90890-01278	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	Radiator cap tester
YU-33984, 90890-01352	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.
	1 - 7