Yamaha WR450F Owner's Service Manual page 31

Tool name/Part number
Valve spring compressor at-
tachment
90890-04108
Valve spring compressor
adapter 22 mm
YM-04108
Rotor puller
90890-04142
Rotor puller
YM-04142
Crankcase separating tool
90890-04152
Crankcase separating tool
YU-A9642
Ignition checker
90890-06754
Oppama pet–4000 spark
checker
YM-34487
Digital tachometer
90890-06760
Digital tachometer
YU-39951-B
Yamaha bond No. 1215
90890-85505
(Three bond No.1215®)
How to use
This tool is used to discon-
nect or connect the valve and
the valve spring.
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