Yamaha YFM250RX 2008 Service Manual page 22

Tool No.
Compression gauge
Engine compression tester
90890-03081
YU-33223
This tool is needed to measure the engine
compression.
Extension
90890-04082
This tool is needed to measure engine com-
pression.
Pocket tester
Analog pocket tester
90890-03112
YU-03112-C
This instrument is needed for checking the
electrical system.
Timing light
Inductive clamp timing light
90890-03141
YU-03141
This tool is necessary for checking ignition
timing.
Valve spring compressor
Compressor
90890-04019
YM-04019
This tool is needed to remove and install the
valve assemblies.
Valve spring compressor attachment
Valve spring compressor adapter (26 mm)
90890-01243
YM-01253-1
This tool is needed to remove and install the
valve assemblies.
Universal clutch holder
90890-04086
YM-91042
This tool is needed to hold the clutch carrier
when removing or installing the carrier nut.
Valve guide remover (φ6)
Valve guide remover (6.0 mm)
90890-04064
YM-04064-A
This tool is needed to remove and install the
valve guides.
Tool name/Function
1-7
SPECIAL TOOLS
Illustration
GEN
INFO