Yamaha YZ450F Owner's Service Manual page 25

Tool name/Part number
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 attach-
ment
YM-04108, 90890-04108
Rotor puller
YM-04151, 90890-04151
Crankcase separating tool
YU-A9642
90890-04152
Dynamic spark tester
YM-34487
Ignition checker
90890-06754
How to use
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 assemblies.
This tool is used to remove the fly-
wheel magneto.
These tool is used to remove the
crankshaft from either case.
This instrument is necessary for
checking the ignition system compo-
nents.
1-15
SPECIAL TOOLS
Illustration