Yamaha WR250F(P) Owner's Service Manual page 40

Part number
YM-4112, 90890-04112
YM-4117, 90890-04117
YM-4113, 90890-04113
YM-4118, 90890-04118
YM-34487
90890-06754
ACC-QUICK-GS-KT
90890-85505
Tool name/How to use
Valve guide installer
Intake 4.0 mm (0.16 in)
Exhaust 4.5 mm (0.18 in)
This tool is needed to install the valve guide.
Valve guide reamer
Intake 4.0 mm (0.16 in)
Exhaust 4.5 mm (0.18 in)
This tool is needed to rebore the new valve guide.
Dynamic spark tester
Ignition checker
This instrument is necessary for checking the ignition
system components.

Quick gasket
YAMAHA Bond No. 1215
This sealant (Bond) is used for crankcase mating
surface, etc.
SPECIAL TOOLS
YM-4112
YM-4117
YM-4113
YM-4118
YM-34487
ACC-QUICK-GS-KT
1 - 9
GEN
INFO
Illustration
90890-04112
90890-04117
90890-04113
90890-04118
90890-06754
90890-85505