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