2002 YAMAHA WR 250F Owners Manual

Page 33 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
INFORMATIONS IMPORTANTES
WICHTIGE INFORMATIONEN
INFORMAZIONI IMPORTANTI
ERSATZTEILE
1. Nur Original-Ersatzteile von
Yamaha verwenden. Nur von
Yamaha empfohlene Schmier-
stoffe verwenden. Frem

Page 34 of 694

YAMAHA WR 250F 2002  Owners Manual 1 - 5
GEN
INFO
IMPORTANT INFORMATION
EC136000
CIRCLIPS
1. All circlips should be inspected carefully
before reassembly. Always replace pis-
ton pin clips after one use. Replace dis-
torted circlips. W

Page 35 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
INFORMATIONS IMPORTANTES
WICHTIGE INFORMATIONEN
INFORMAZIONI IMPORTANTI
SICHERUNGSRINGE
1. Sicherungsringe vor dem Wie-
dereinbau sorgfältig überprü-
fen und bei Beschädigung
oder Verform

Page 36 of 694

YAMAHA WR 250F 2002  Owners Manual 1 - 6
GEN
INFO
CHECKING OF CONNECTION
EC1C0001
CHECKING OF CONNECTION
Dealing with stains, rust, moisture, etc. on the
connector.
1. Disconnect:
Connector
2. Dry each terminal with an air blower.
3.

Page 37 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
ANSCHLÜSSE PRÜFEN
Die Steckverbinder auf Oxidation,
Rost, Feuchtigkeit usw. prüfen
1. Lösen:
Steckverbinder
2. Die einzelnen Anschlußklem-
men mit Druckluft trockenbla-
sen.
3. Den Stec

Page 38 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
1 - 7
SPECIAL TOOLS
SPECIAL TOOLS
The proper special tools are necessary for complete and accurate tune-up and assembly. Using the
correct special tool will help prevent damage caused by the

Page 39 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
1 - 8
SPECIAL TOOLS
YU-33975, 90890-01403 Steering nut wrench
This tool is used when tighten the steering ring nut to 
specification.YU-33975 90890-01403
YM-1423, 90890-01423 Damper rod holde

Page 40 of 694

YAMAHA WR 250F 2002  Owners Manual GEN
INFO
1 - 9
SPECIAL TOOLS
YM-4112, 90890-04112
YM-4117, 90890-04117Valve 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.YM-4112
YM-4