YAMAHA YZ125LC 2002 Owners Manual

YAMAHA YZ125LC 2002 Owners Manual YZ125LC 2002 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53920/w960_53920-0.png YAMAHA YZ125LC 2002 Owners Manual
Trending: brake fluid, low oil pressure, ECU, tire size, check engine light, oil capacity, maintenance schedule

Page 251 of 564

YAMAHA YZ125LC 2002  Owners Manual 4-19
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
AUSBAUPUNKTE
Schubstange
1. Ausbauen:
9Schraube (Schubstange) 1
9Schubstange 2
HINWEIS:
Die im

Page 252 of 564

YAMAHA YZ125LC 2002  Owners Manual 4-20
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474000
INSPECTION
EC474101
Cylinder head
1. Remove:
9Carbon deposits
Use a rounded scraper 1.
NOTE:
Take care to avoid damaging the spark plug
threads. Do

Page 253 of 564

YAMAHA YZ125LC 2002  Owners Manual 4-20
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
INSPEKTION
Zylinderkopf
1. Ausbauen:
9Ölkohleablagerungen
Einen abgerundeten Schaber
1verwend

Page 254 of 564

YAMAHA YZ125LC 2002  Owners Manual 4-21
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC474301
Piston
1. Remove:
9Carbon deposits
From the piston crown aand ring groove
b.
2. Inspect:
9Piston wall
Score marks Repair or replace.
3. Measure:
9P

Page 255 of 564

YAMAHA YZ125LC 2002  Owners Manual 4-21
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
Kolben
1. Ausbauen:
9Ölkohleablagerungen
9Vom Kolbenboden aund aus
den Kolbenringnuten b.
2.

Page 256 of 564

YAMAHA YZ125LC 2002  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 564

YAMAHA YZ125LC 2002  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 564

YAMAHA YZ125LC 2002  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 564

YAMAHA YZ125LC 2002  Owners Manual 4-23
ENG
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONE
3. Misurare:
9Gioco laterale
Usare uno spessimetro 1
Fuori limiteSostituire il pisto-
ne e/o

Page 260 of 564

YAMAHA YZ125LC 2002  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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