YAMAHA YZ125LC 2006 Owners Manual

YAMAHA YZ125LC 2006 Owners Manual YZ125LC 2006 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53916/w960_53916-0.png YAMAHA YZ125LC 2006 Owners Manual
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Page 251 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-19
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
POINTS DE DEPOSE
Champignon de débrayage
1. Déposer:
9Boulon (champignon de
débrayage) 1
9C

Page 252 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-20
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474000
INSPECTION
EC474102
Cylinder head
1. Eliminate:
9Carbon deposits
Use a rounded scraper 1.
NOTE:
Take care to avoid damaging the spark plug
threads.

Page 253 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-20
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
INSPEKTION
Zylinderkopf
1. Entfernen:
9Ölkohleablagerungen
Einen abgerundeten Schaber
1verwen

Page 254 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-21
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474302
Piston
1. Eliminate:
9Carbon deposits
From the piston crown aand ring groove
b.
2. Inspect:
9Piston wall
Score marks Repair or replace.
3. Measure:

Page 255 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-21
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
Kolben
1. Entfernen:
9Ölkohleablagerungen
Vom Kolbenboden aund aus
den Kolbenringnuten b.
2.

Page 256 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-22
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474402
Piston pin and small end bearing
1. Inspect:
9Piston pin
9Small end bearing
Signs of heat discoloration Replace.
2. Measure:
9Piston pin outside di

Page 257 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-22
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
2. Misurare:
9Diametro esterno dello spinotto
Usare un micrometro 1
Fuori limiteSostituirlo.

Page 258 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-23
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474502
Piston ring
1. Install:
9Piston ring
Into the cylinder.
Push the ring with the piston crown.
2. Measure:
9End gap
Use a thickness gauge 1.
Out of li

Page 259 of 572

YAMAHA YZ125LC 2006  Owners Manual 3. Messen:
9Seitliches Spiel
Eine Füherlehre 1verwenden.
Außerhalb des Grenzwertes
Kolben und/oder Kolbenringe
erneuern.
HINWEIS:
An mehreren Punkten kontrollieren.
4-23
ENG
CULASSE, CYLINDRE ET PI

Page 260 of 572

YAMAHA YZ125LC 2006  Owners Manual 4-24
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474700
Combination of piston and cylinder
1. Check:
9Cylinder mark a
2. Check:
9Piston mark a
3. Combination:
Combine the piston and cylinder by the fol-
l
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