Yamaha YFM400FAR Service Manual page 24

Tool No.
Compression gauge
Compression gauge
90890-03081
Adapter
YU-33223
Adapter
These tools are needed to measure
90890-04082
YU-33223-3
engine compression.
Pocket tester
90890-03112
YU-03112-C
This instrument is needed for
checking the electrical system.
Engine tachometer
90890-03113
This tool is needed for observing
engine rpm.
Inductive self-powered tachometer
YU-8036-B
This tool is needed for observing
engine rpm.
Timing light
90890-03141
YM-33277-A
This tool is necessary for checking
ignition timing.
Valve spring compressor
90890-04019
YM-04019
This tool is needed to remove and
install the valve assemblies.
Middle driven shaft bearing driver
Middle driven shaft
bearing driver
Mechanical seal installer
90890-04058
YM-04058-1
Mechanical seal installer
These tools are used to install the
90890-04078
YM-33221
water pump seals.
Bearing retainer wrench
90890-04050
This tool is needed when removing or
YM-04050
installing the final drive shaft bearing
retainers.
Universal joint holder
90890-04062
YM-04062
This tool is needed when removing or
installing the universal joint yoke nuts.
Tool name/How to use
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SPECIAL TOOLS
Illustration
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INFO