Yamaha YFZ450S 2003 Service Manual page 18

Tool No.
Valve spring compressor
Compressor
Valve spring compressor attachment
90890-04019
YM-04019
Attachment
90890-04114
This tool is needed to remove and install
YM-04114
the valve assemblies.
Universal clutch holder
90890-04086
YM-91042
This tool is needed to hold the clutch car-
rier when removing or installing the carrier
nut.
Valve guide remover (ø 5)
Valve guide remover (ø 4.5)
90890-04097
YM-04097
90890-04116
YM-04116
This tool is needed to remove and install
the valve guides.
Valve guide installer (ø 5)
Valve guide installer (ø 4.5)
90890-04098
YM-04098
90890-04117
YM-04117
This tool is needed to install the valve
guides.
Valve guide reamer (ø 5)
Valve guide reamer (ø 4.5)
90890-04099
YM-04099
90890-04118
YM-04118
This tool is needed to rebore the new
valve guides.
Valve lapper
90890-04101
This tool is needed to remove and install
the valve lifters.
Rotor puller
90890-04142
YM-04142
These tools are needed to remove the
A.C. magneto rotor.
PTT wrench 46
90890-06588
This tool is needed to loosen or tighten the
rear axle nut.
Tool name/Function
1 - 7
SPECIAL TOOLS
GEN
INFO
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