Yamaha XF50W Service Manual page 17

Tool NO.
90890-03141 Timing light
YU-03141
This tool is used to check the ignition tim-
ing.
90890-03182 FI diagnostic tool
YU-03182
Execute CO adjustment, confirm fault Code,
self diagnosis tool
90890-04101 Valve lapper
This tool is needed to remove and install the
valve lifters.
90890-04058 Middle driven shaft bearing driver1
YM-04058 Mechanical seal installer2
90890-04145
There tools are used to install the water pump
seal.
90890-04019 Valve spring compressor
YM-04019 Compressor adapter(Ø16.5mm)
90890-04148
YM-04148 These tools are used when removing or in-
stalling the valve and the valve spring.
90890-06760 Digital tachometer
This tool is needed for detecting engine rpm.
90890-06754 Ignition checker
YM-34487
This tool is used to check the ignition sys-
tem components.
90890-04111 Valve guide remover(4.0mm)
YM-04111
This tool is used to remove or install the
valve guides.
90890-04112 Valve guide installer(4.0mm)
YM-04112
This tool is used to install the valve guides.
90890-04113 Valve guide remover(4.0mm)
YM-04113
This tool is used to rebore the new valve
guides.
Tool name / Function
1-10
SPECIAL TOOLS
Illustration
2