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GEN
INFO
SPECIAL TOOLS
Tool No. Tool name/Function Illustration
90890-03113 Engine tachometer
This tool is used to check engine speed.
90890-03141 Timing light
This tool is used to check the ignition tim-
ing.
90890-03158 Carburetor angle driver
This tool is used to turn the pilot screw
when adjusting the engine idling speed.
90890-04016 Valve guide reamer, remover and installer
(5.5 mm)
These tools are used to rebore, remove and
install the valve guide.
90890-04019 Valve spring compressor
This tool is used to remove or install the
valve assemblies.
90890-03153
90890-03124
Oil pressure gauge
Oil pressure adaptor B
These tools are used to measure the engine
oil pressure.
90890-04086 Clutch holding tool
This tool is used to hold the clutch boss
when removing or installing the clutch boss
nut.
90890-04101 Valve lapper
This tool is used for removing and installing
the valve lifter and for lapping the valve.
90890-04110 Tappet adjusting tool
This tool is necessary to replace valve ad-
justing pads.