Yamaha YZ250F(E) Owner's Service Manual page 32

Tool name/Part number
Clutch holder
90890-04086
YM-91042
Valve lapper
90890-04101
Valve lapping tool
YM-A8998
Valve spring compressor
90890-04019
YM-04019
Valve spring compressor
adapter 22 mm
90890-04108
YM-04108
Valve guide remover (ø5)
90890-04097
Valve guide remover (5.0
mm)
YM-04097
Valve guide installer (ø5)
90890-04098
Valve guide installer (5.0
mm)
YM-04098
Valve guide reamer (ø5)
90890-04099
Valve guide reamer (5.0 mm)
YM-04099
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 used to remove
the valve lifter or lap the
valve.
This tool is used to discon-
nect or connect the valve and
the valve spring.
This tool is used to discon-
nect or connect the valve and
the valve spring.
This tool is used to replace
the valve guide.
This tool is used to replace
the valve guide.
This tool is used to replace
the valve guide.
1-18
SPECIAL TOOLS
Illustration
YM-04019