Yamaha YZ250F 2016 Owner's Service Manual page 31

Tool name/Part number
Valve guide remover (ø4.5)
90890-04116
Valve guide remover (4.5
mm)
YM-04116
Valve guide installer (ø4.5)
90890-04117
Valve guide installer (4.5
mm)
YM-04117
Valve guide reamer (ø4.5)
90890-04118
Valve guide reamer (4.5 mm)
YM-04118
Rotor puller
90890-04151
YM-04151
Crankcase separating tool
90890-04152
YU-A9642
Ignition checker
90890-06754
Oppama pet-4000 spark
checker
YM-34487
Digital tachometer
90890-06760
YU-39951-B
Three bond No.1215®
90890-85505
How to use
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.
This tool is used to remove
the rotor.
This tool is used to remove
the crankshaft.
This tool is used to check the
spark performance of the ig-
nition coil.
This tool is used to measure
the engine speed.
This sealant (Bond) is used
for crankcase mating sur-
face, etc.
1-17
SPECIAL TOOLS
Illustration