Yamaha YFM250RX 2008 Service Manual page 21

Tool No.
Adapter (M10)
Adapter #2
Adapter
90890-01383
YU-90062
This tool is used to install the crankshaft.
Spacer
90890-01288
This tool is used to install the crankshaft.
Piston pin puller set
Piston pin puller
90890-01304
YU-01304
This tool is used to remove the piston pin.
Tappet adjusting tool
Six piece tappet set
90890-01311
YM-A5970
This tool is necessary for adjusting the valve
clearance.
Flywheel puller
Heavy duty puller
90890-01362
YU-33270-B
This tool is used to remove the AC magneto
rotor.
Bolt (M8 × 80 mm)
90890-01359
This tool is used to remove the AC magneto
rotor.
Sheave holder
Primary clutch holder
90890-01701
YS-01880-A This tool is needed to hold the AC magneto
rotor when loosen or tighten the AC magneto
rotor nut.
Thickness gauge
Narrow gauge set
90890-03079
YM-34483
This tool is used to measure the valve clear-
ance and spark plug gap.
Tool name/Function
1-6
SPECIAL TOOLS
Illustration
GEN
INFO
YU-01304