Yamaha YZ450FA 2011 Owner's Service Manual page 29

Tool name/Part number
Clutch holding tool
YM-91042, 90890-04086
Valve guide remover
5.5 mm (0.22 in)
YM-01122
Valve guide installer
5.5 mm (0.22 in)
YM-04015
Valve guide reamer
5.5 mm (0.22 in)
YM-01196
Valve spring compressor at-
tachment
YM-04108, 90890-04108
Rotor puller
YM-04151, 90890-04151
Crankcase separating tool
YU-A9642
90890-04152
How to use
This tool is used to hold the
clutch when removing or in-
stalling the clutch boss secur-
ing nut.
This tool is needed to remove
and install the valve guide.
This tool is needed to install
the valve guide.
This tool is needed to rebore
the new valve guide.
This tool is needed to remove
and install the valve assem-
blies.
This tool is used to remove
the flywheel magneto.
These tool is used to remove
the crankshaft from either
case.
1-15
SPECIAL TOOLS
Illustration