Yamaha WR250F(T) Owner's Service Manual page 37

Part number
YS-1880-A, 90890-01701
YU-3112-C, 90890-03112
YM-33277-A, 90890-03141
YM-4019, 90890-04019
YM-91042, 90890-04086
YM-4111, 90890-04111
YM-4116, 90890-04116
YM-4112, 90890-04112
YM-4117, 90890-04117
YM-4113, 90890-04113
YM-4118, 90890-04118
YM-04141, 90890-04141
Tool name/How to use
Sheave holder
This tool is used for when loosening or tightening the
flywheel magneto securing nut.
Pocket tester
Use this tool to inspect the coil resistance, output
voltage and amperage.
Timing light
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 4.0 mm (0.16 in)
Exhaust 4.5 mm (0.18 in)
This tool is needed to remove and install the valve
guide.
Valve guide installer
Intake 4.0 mm (0.16 in)
Exhaust 4.5 mm (0.18 in)
This tool is needed to install the valve guide.
Valve guide reamer
Intake 4.0 mm (0.16 in)
Exhaust 4.5 mm (0.18 in)
This tool is needed to rebore the new valve guide.
Rotor puller
This tool is used to remove the flywheel magneto.
SPECIAL TOOLS
1 - 12
GEN
INFO
Illustration