GEN
INFO
1 - 8
SPECIAL TOOLS
YU-33975, 90890-01403
Steering nut wrench
This tool is used when tighten the steering ring nut to
specification.
YU-33975
90890-01403
YM-01442, 90890-01442
Fork seal driver
This tool is used when install the fork oil seal.
YM-01442
90890-01442
YM-01494, 90890-01494
Damper rod holder
Use this tool to remove and install the damper rod.
YM-01494
90890-01494
YU-3112-C, 90890-03112
Pocket tester
Use this tool to inspect the coil resistance, output
voltage and amperage.
YU-3112-C
90890-03112
YM-33277-A, 90890-03141
Timing light
This tool is necessary for checking ignition timing.
YM-33277-A
90890-03141
YM-4019, 90890-04019
Valve spring compressor
This tool is needed to remove and install the valve
assemblies.
YM-4019
90890-04019
YM-91042, 90890-04086
Clutch holding tool
This tool is used to hold the clutch when removing or
installing the clutch boss securing nut.
YM-91042
90890-04086
YM-4111, 90890-04111
YM-4116, 90890-04116
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.
YM-4111
YM-4116
90890-04111
90890-04116
YM-4112, 90890-04112
YM-4117, 90890-04117
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.
YM-4112
YM-4117
90890-04112
90890-04117
Part number
Tool name/How to use
Illustration