Yamaha 5YF2-AE1, Service Manual, Page: 16 / 262

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GEN
INFO
SPECIAL TOOLS
EBS00021
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use
only the appropriate special tools; this will help prevent damage caused by the use of inappropriate
tools or improvised techniques. Special tools may differ by shape and part number from country to
country. In such a case, two types are provided.
When placing an order, refer to the list provided below to avoid any mistakes.
For US and CDN
P/N. YM-, YU-, YS-, YK-, ACC-
Except for US and CDN
P/N. 90890-
Tool No. Tool name/Function Illustration
Bolt
90890-01085
Weight
90890-01084
Set
YU-01083-A
Slide hammer bolt (M8)/weight/set
These tools are used to remove the rocker
arm shaft.
90890-01189
YM-01189
Flywheel puller
This tool is needed to remove the rotor.
90890-01304
YU-01304
Piston pin puller set
This tool is used to remove the piston pin.
90890-01311
YM-08035
Tappet adjusting tool (3 mm)
This tool is necessary for adjusting the
valve clearance.
90890-01312
YM-01312-A
Fuel level gauge
This gauge is used to measure the fuel
level in the float chamber.
90890-01388
Damper rod holder (27 mm)
This tool is needed to loosen and tighten
the middle driven pinion gear bearing
retainer.