Special Tools - Yamaha YFM450FAR Service Manual

EB102001

SPECIAL TOOLS

The following special tools are necessary for complete and accurate tune-up and assembly. Use
only the appropriate special tools; this will help prevent damage caused by the use of inappropriate
tools or improvised techniques. Special tools may differ by shape and part number from country to
country. In such a case, two types are provided.
When placing an order, refer to the list provided below to avoid any mistakes.
For US and CDN
P/N. YM-, YU-, YS-, YK-, ACC-
Except for US and CDN
P/N. 90890-
Tool No.
Slide hammer bolt (M6)/weight/set
Bolt
90890-01083
Weight
90890-01084
These tools are used to remove the
Set
YU-01083-A
rocker arm shaft.
Crankcase separating tool
90890-01135
YU-01135-A
This tool is used to separate the
crankcase.
Valve guide remover (7.0 mm)
90890-01225
YM-01225-A
This tool is needed to remove and
install the valve guide.
Valve guide installer (7.0 mm)
90890-04017
YM-04017
This tool is needed to install the valve
guide.
Valve guide reamer (7.0 mm)
90890-01227
YM-01227
This tool is needed to rebore the new
valve guide.
Rotor holding tool
This tool is needed to hold the starter
90890-01235
pulley when removing/installing the
YU-01235
starter pulley bolt or camshaft
sprocket bolts.
Buffer boss installer set
Crankshaft installer bolt
90890-04088
Bolt
90890-01275
These tools are used to install the
crankshaft.
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Tool name/How to use
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SPECIAL TOOLS
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