2004 YAMAHA YZ250LC Owners Manual

Page 345 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-66
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CARTER E ALBERO A GOMITIENG
AUSBAUPUNKTE
Segment
1. Ausbauen:
9Schraube (Segment) 1
9Segment 2
HINWEIS:
Das Segment bis zum Anschlag
gegen den

Page 346 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-67
CRANKCASE AND CRANKSHAFTENG
EC4N4000
INSPECTION
EC4N4101
Crankcase
1. Inspect:
9Contacting surface a
Scratches 
Replace.
9Engine mounting boss b, crankcase
Cracks/Damage 
Replace.
EC4N3401
Cran

Page 347 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-67
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CARTER E ALBERO A GOMITIENG
Kurbelwelle
1. Ausbauen:
9Kurbelwelle 1
Kurbelgehäuse-Trennwerkzeug
2verwenden.
HINWEIS:
Passende Schrauben 3, wi

Page 348 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-68
CRANKCASE AND CRANKSHAFTENG
EC4N5000
ASSEMBLY AND INSTALLATION
EC4N5300
Crankshaft bearing
1. Install:
9Bearing 1
To crankcase (left and right).
NOTE:
Install the bearing by pressing its outer ra

Page 349 of 588

YAMAHA YZ250LC 2004  Owners Manual CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CARTER E ALBERO A GOMITIENG
4-68
2. Ispezionare:
9Cuscinetti 1
Ruotare l’anello interno con un
dito.
Ruvidità/Grippaggio
Sostituirli.
3. Ispezi

Page 350 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-69
CRANKCASE AND CRANKSHAFTENG
EC4N5284
Crankshaft
1. Install:
9Crankshaft 1
Use the crankshaft installing tool 2, 3, 4.
EC4N5102
Oil seal
1. Install:
9Oil seal (left) 1
9Oil seal (right) 2
NOTE:
9A

Page 351 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-69
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CARTER E ALBERO A GOMITIENG
Öldichtung
1. Einbauen:
9Öldichtung (Links) 1
9Öldichtung (Rechts) 2
HINWEIS:
9Lithiumseifen-Schmierfett auf de

Page 352 of 588

YAMAHA YZ250LC 2004  Owners Manual 4-70
CRANKCASE AND CRANKSHAFTENG
3. Install:
9O-ring 1
To crankcase (right) 2.
5. Install:
9Dowel pin 1
9Crankcase (right) 2
To crankcase (left) 3.
NOTE:
9Fit the crankcase (right) onto the crankcase