2001 YAMAHA TTR125 ECU

ENG

4 - 32
CYLINDRE ET PISTON
ZYLINDER UND KOLBEN
ZYLINDER UND KOLBEN
Demontage-Arbeiten:
1
Zylinder demontieren
2
Kolben demontieren
Demontage-ArbeitenReihen-
folgeBauteilAnz.Bemerkungen
ZYLINDER UND KOLBEN
DEMONTIEREN
Vorbereitung für den
AusbauZylinderkopfSiehe unter “ZYLINDERKOPF”.
1Steuerkettenführung (Auslaßseite)1
2Zylinder/O-Ring 1/1
3Paßhülse 2
4Dichtung 1
5Kolbenbolzensicherung 2
Siehe unter “DEMONTAGEPUNKTE”. 6Kolbenbolzen 1
7Kolben 1
8Kolbenring-Satz
1Siehe unter “DEMONTAGEPUNKTE”.
1
2

CYLINDRE ET PISTON
Déposes à effectuer:
1
Dépose du cylindre
2
Dépose du piston
Déposes à effectuerOrdreNom de pièceQtéRemarques
DÉPOSE DU CYLINDRE ET DU
PISTON
Préparation à la déposeCulasseSe reporter à “CULASSE”.
1Patin de chaîne de distribution (côté
échappement)1
2Cylindre/joint torique 1/1
3Goujon 2
4Joint 1
5Circlip d’axe de piston 2
Se reporter à “PIÈCES À DÉPOSER”. 6Axe de piston 1
7Piston 1
8Jeu de segments 1Se reporter à “PIÈCES À DÉPOSER”.
1
2

4 - 68
ENG
CARTER-MOTEUR, VILEBREQUIN ET BALANCIER
KURBELGEHÄUSE, KURBELWELLE UND AUSGLEICHSWELLE
Kurbelwelle
1.Demontieren:
lKurbelwelle 1
Kurbelgehäuse-Trennwerkzeug 2 ver-
wenden.
ACHTUNG:
Kurbelwelle nicht mit einem Hammer aus-
treiben.
Kurbelgehäuse-Trennwerkzeug:
YU-1135-A/90890-01135
Lager
1.Demontieren:
lLager 1
HINWEIS:
lLager aus dem Kurbelgehäuse demontieren,
indem sein innerer Laufring hineingedrückt
wird (siehe Abbildung).
lDemontiertes Lager nicht wiederverwenden.
PRÜFEN
Steuerkette und Steuerkettenführung
1.Kontrollieren:
lSteuerkette
Risse/Steifheit ® Steuerkette und Nok-
kenwellen-Kettenrad komplett erneu-
ern.
2.Kontrollieren:
lSteuerkettenführung
Verschleiß/Beschädigung ® Erneuern. Vilebrequin
1.Déposer:
lVilebrequin 1
Se servir d’un séparateur de demi-carters 2.
ATTENTION:
Ne pas chasser le vilebrequin au marteau.
Séparateur de demi-carters:
YU-1135-A/90890-01135
Roulement
1.Déposer:
lRoulement 1
N.B.:
lSéparer le roulement du carter-moteur en compri-
mant sa cage interne comme illustré.
lNe pas récupérer le roulement déposé.
INSPECTION
Chaîne de distribution et patin de chaîne de dis-
tribution
1.Examiner:
lChaîne de distribution
Craquelures/raideur ® Remplacer à la fois
la chaîne de distribution et les pignons
d’arbre à cames.
2.Examiner:
lPatin de chaîne de distribution
Usure/endommagement ® Remplacer.

5 - 1
CHAS

FRONT WHEEL AND FRONT BRAKE (TT-R125)
EC500000
CHASSIS
FRONT WHEEL AND FRONT BRAKE (TT-R125)
Extent of removal:
1
Front wheel removal
2
Wheel bearing removal
3
Brake shoe plate assembly removal and disassembly
Extent of removal Order Part name Q’ty Remarks
Preparation for removal
FRONT WHEEL AND DRUM
BRAKE
Hold the machine by placing the
suitable stand under the engine.
WARNING

Support the machine securely so there is no
danger of it falling over.
1 Brake cable holder 1
2 Brake cable 1 Disconnect at the lever side, first.
3 Axle nut 1
4 Wheel axle 1
5 Front wheel 1
6 Collar set 1
7 Brake shoe plate assembly 1
8 Oil seal 1
9 Wheel bearing 2 Refer to “REMOVAL POINTS”.
10Spacer
1
2
3
1

5

5 - 8
CHAS
FRONT WHEEL (TT-R125LW)
Extent of removal:1 Front wheel removal2 Wheel bearing removal
3 Brake disc removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT WHEEL REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNING
Support the machine securely so there is nodanger of it falling over.
1 Axle nut 1
2 Washer 1
3 Wheel axle 1
4 Front wheel 1
5 Collar 2
6 Oil seal 2
7 Wheel bearing 2 Refer to “REMOVAL POINTS”.
8 Spacer 1
9Brake disk
1
2
31
3
FRONT WHEEL (TT-R125LW)

5 - 12
CHAS
FRONT BRAKE (TT-R125LW)
Extent of removal:1 Brake hose removal 2 Brake caliper removal
3 Brake master cylinder removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT BRAKE REMOVAL
Hold the machine by placing the
suitable stand under the engine.
Drain the brake fluid.
WARNING
Support the machine securely so there is nodanger of it falling over.
Refer to “REMOVAL POINTS”.
1 Brake hose holder 2
2 Union bolt 1
3 Brake hose 1
4 Joint 1
5 Brake caliper support bolt 1
6 Brake caliper 1 Refer to “REMOVAL POINTS”.
7 Brake lever 1
8 Brake master cylinder bracket 1
9Brake master cylinder
1
3
12
2
3
FRONT BRAKE (TT-R125LW)

5 - 13
CHASFRONT BRAKE (TT-R125LW)
BRAKE CALIPER AND BRAKE MASTER CYLINDER DISASSEMBLY
Extent of removal:1 Brake caliper disassembly2 Brake master cylinder disassembly
Extent of removal Order Part name Q’ty Remarks
Preparation for removalBRAKE CALIPER AND BRAKE
MASTER CYLINDER DISAS-
SEMBLY
Hold the machine by placing the
suitable stand under the engine.
WARNING
Support the machine securely so there is nodanger of it falling over.
1Brake pad 2
2Brake caliper bracket 1
3Brake caliper piston 2 Refer to “REMOVAL POINTS”.
4Brake caliper dust seal 2
Refer to “REMOVAL POINTS”.
5Brake caliper piston seal 2
6Pin boot 1
7Sleeve boot 1
8Brake master cylinder cap 1
9Diaphragm 1
0Brake master cylinder boot 1
ACirclip 1
BWasher 1
CBrake master cylinder kit 1
2
1

5 - 24
CHAS

REAR WHEEL AND REAR BRAKE
Extent of removal:
1
Rear wheel removal
2
Wheel bearing removal
3
Brake shoe plate assembly removal and disassembly
Extent of removal Order Part name Q’ty Remarks
Preparation for removal
REAR WHEEL AND DRUM
BRAKE
Hold the machine by placing the
suitable stand under the engine.
WARNING

Support the machine securely so there is no
danger of it falling over.
1 Brake rod 1
2 Axle nut 1
3 Drive chain puller (right) 1
4 Wheel axle 1
5 Drive chain puller (left) 1
6 Drive chain 1
7 Rear wheel 1 Refer to “REMOVAL POINTS”.
8 Collar (right) 1
9 Brake shoe plate assembly 1
10Collar (left)
1
231

REAR WHEEL AND REAR BRAKE

5 - 32
CHASFRONT FORK
EC550000
FRONT FORK
Extent of removal:1 Front fork removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT FORK REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNING
Support the machine securely so there is nodanger of it falling over.
Front wheel Refer to “FRONT WHEEL AND FRONT
BRAKE” section.
(Refer to “FRONT WHEEL” section for
the TT-R125LW.)
Handlebar Refer to “HANDLEBAR” section.
1 Cap 1
2 Pinch bolt (upper bracket) 1 Only loosening.
3 Cap bolt 1Loosen when disassembling the front fork.
4 Pinch bolt (lower bracket) 1 Only loosening.
5Front fork
1
1