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GEN
INFO
SPECIAL TOOLS
90890-03174
Digital circuit tester
This tool is used to check electrical sys-
tem.
90890-03181
Fuel pressure adapter
This tool is used to measure fuel pres-
sure.
Valve spring compres-
sor
90890-04019
YM-04019
Valve spring compres-
sor attachment
90890-04114
YM-04114
Valve spring compressor
Valve spring compressor attachment
These tools are used to remove or install
the valve assemblies.
Middle driven shaft
bearing driver
90890-04058
YM-04058
Mechanical seal
installer
90890-04078
YM-33221-A
Middle driven shaft bearing driver
Mechanical seal installer
These tools are used to install the water
pump seal.
90890-04085
Damper rod holder (14 mm)
This tool is used to loosen or tighten the
front wheel axle.
90890-04086
YM-91042
Clutch holding tool
This tool is needed to hold the clutch
boss when removing or installing the
clutch boss nut.
90890-04101
Valve lapper
This tool is needed to remove and install
the valve lifters.
90890-04111
YM-04111
Valve guide remover (4 mm)
This tool is used to remove or install the
valve guides.
Tool No. Tool name/Function Illustration