Yamaha YZ250F(E) - Page 33

SPECIAL TOOLS
1-19
Valve guide remover (ø4.5)
90890-04116
Valve guide remover (4.5
mm)
YM-04116
This tool is used to replace
the valve guide.
Valve guide installer (ø4.5)
90890-04117
Valve guide installer (4.5
mm)
YM-04117
This tool is used to replace
the valve guide.
Valve guide reamer (ø4.5)
90890-04118
Valve guide reamer (4.5 mm)
YM-04118
This tool is used to replace
the valve guide.
Rotor puller
90890-04151
YM-04151
This tool is used to remove
the rotor.
Crankcase separating tool
90890-04152
YU-A9642
This tool is used to remove
the crankshaft.
Ignition checker
90890-06754
Oppama pet-4000 spark
checker
YM-34487
This tool is used to check the
spark performance of the ig-
nition coil.
Digital tachometer
90890-06760
YU-39951-B
This tool is used to measure
the engine speed.
Three bond No.1215®
90890-85505
This sealant (Bond) is used
for crankcase mating sur-
face, etc.
Tool name/Part number How to use Illustration