Yamaha R15 2022 Service Manual page 49

EAS20012
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use only
the appropriate special tools as this will help prevent damage caused by the use of inappropriate tools
or improvised techniques. Special tools, part numbers or both may differ depending on the country.
When placing an order, refer to the list provided below to avoid any mistakes.
Tool name/Tool No.
Piston pin replacer
YSST-207
(90890-01304)
This tool is use to replace the piston pin.
Crankshaft removing tool
YSST-265
(90890-01135)
This tool is used to remove the crankshaft from the
crankcase.
Crankshaft installing tool with spacer
YSST-266
(90890-01284)
YSST-767
These tools are used for installing the crankshaft.
Valve spring compressor
YSST-603
(90890-04019)
This tool is used when removing or installing the
valve, valve spring and cotter.
Valve spring compressor attachment
YSST-603 A
(90890-04109)
This tool is used when removing or installing the
valve, valve spring and cotter.
Piston base
YSST-604
(90890-01067)
This tool is used to support the piston.
Small screw driver
YSST-609
This tool is used to adjust throttle screw/retract timing
chain tensioner.
SPECIAL TOOLS
M8
YSST-266
Thickness=1 mm
1-42
GEN
INFO
Illustration
Ø9.5
M8
YSST-767