Yamaha WR450F(S) Owner's Service Manual page 39

Part number
YM-01442, 90890-01442
YS-1880-A, 90890-01701
YU-3112-C, 90890-03112
YM-33277-A, 90890-03141 Timing light
YM-4019, 90890-04019
YM-91042, 90890-04086
YM-4116, 90890-04116
YM-4097, 90890-04097
YM-4117, 90890-04117
YM-4098, 90890-04098
YM-4118, 90890-04118
YM-4099, 90890-04099
Tool name/How to use
Fork seal driver
This tool is used when install the fork oil seal.
Sheave holder
This tool is used for when loosening or tightening the
flywheel magneto securing nut.
Yamaha pocket tester
Use this tool to inspect the coil resistance, output
voltage and amperage.
This tool is necessary for checking ignition timing.
Valve spring compressor
This tool is needed to remove and install the valve
assemblies.
Clutch holding tool
This tool is used to hold the clutch when removing or
installing the clutch boss securing nut.
Valve guide remover
Intake 4.5 mm (0.18 in)
Exhaust 5.0 mm (0.20 in)
This tool is needed to remove and install the valve
guide.
Valve guide installer
Intake
Exhaust
This tool is needed to install the valve guide.
Valve guide reamer
Intake 4.5 mm (0.18 in)
Exhaust 5.0 mm (0.20 in)
This tool is needed to rebore the new valve guide.
SPECIAL TOOLS
YM-01442
YS-1880-A
YU-3112-C
YM-33277-A
YM-4019
YM-91042
YM-4116
YM-4097
YM-4117
YM-4098
YM-4118
YM-4099
1 - 8
GEN
INFO
Illustration
90890-01442
90890-01701
90890-03112
90890-03141
90890-04019
90890-04086
90890-04116
90890-04097
90890-04117
90890-04098
90890-04118
90890-04099