2007 YAMAHA TTR125 engine

5 - 44
CHAS
TT-R125LW
Extent of removal:1 Handlebar removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalHANDLEBAR REMOVAL
Number plate
1 Clutch cable 1
2 Clutch lever 1
3 Engine stop switch 1
4 Brake master cylinder 1 Refer to “REMOVAL POINTS”.
5 Grip cap (lower) 1
6 Grip cap (upper) 1
7 Throttle cable 1
8 Throttle grip assembly 1
9 Collar 1
10 Handlebar grip (left) 1 Refer to “REMOVAL POINTS”.
11 Upper handlebar holder 2
12 Handlebar 1
1
HANDLEBAR

5 - 45
CHASHANDLEBAR
TT-R125LWE
Extent of removal:1 Handlebar removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalHANDLEBAR REMOVAL
Number plate
1 Clutch cable 1
2 Clutch lever 1
3 Engine stop switch 1
4 Brake master cylinder 1 Refer to “REMOVAL POINTS”.
5 Start switch 1
6 Grip cap (lower) 1
7 Grip cap (upper) 1
8 Throttle cable 1
9 Throttle grip assembly 1
10 Handlebar grip (left) 1 Refer to “REMOVAL POINTS”.
11 Main switch 1
12 Upper handlebar holder 2
13 Handlebar 1
1

5 - 51
CHAS
7. Install:
Engine stop switch 1
Clutch lever holder 2
Bolts (TT-R125/TT-R125LW) 3
Screws (TT-R125E/TT-R125LWE) 3
NOTE:
The engine stop switch and clutch lever
holder should be installed according to the
dimensions shown.
Pass the engine stop switch lead in the mid-
dle of the clutch lever holder.
ÅTT-R125/TT-R125LW
ıTT-R125E/TT-R125LWE
12 3
3
Åı
T R..4 Nm (0.4 m · kg, 2.9 ft · lb)
8. Install:
Clutch cable 1
Clamp
NOTE:
Apply the lithium soap base grease on the
clutch cable end.
9. Adjust:
Brake lever free play
Refer to “FRONT BRAKE ADJUST-
MENT” section in the CHAPTER 3.
Clutch lever free play
Refer to “CLUTCH ADJUSTMENT”
section in the CHAPTER 3.
HANDLEBAR

5 - 52
CHASSTEERING
EC560000
STEERING
Extent of removal:1 Lower bracket removal2 Bearing removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalSTEERING REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNINGSupport the machine securely so there is nodanger of it falling over.
Front forks Refer to “FRONT FORK” section.
Handlebar Refer to “HANDLEBAR” section.
Front fender
1 Steering stem nut 1
2 Upper bracket 1
3 Special washer 1
4 Upper ring nut 1
Use special tool.
Refer to “REMOVAL POINTS”. 5 Rubber washer 1
6 Lower ring nut 1
7 Lower bracket 1
8Bearing cover
1
21

5 - 58
CHASSWINGARM
EC570000
SWINGARM
Extent of removal:1 Swingarm removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalSWINGARM REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNINGSupport the machine securely so there is nodanger of it falling over.
Rear wheel Refer to “REAR WHEEL AND REAR
BRAKE” section.
1 Drive chain tensioner (upper) 1
2 Drive chain tensioner (lower) 1
3 Bolt (connecting arm-frame) 1
4 Bolt (rear shock absorber-relay arm) 1Hold the swingarm.
5 Pivot shaft 1
6 Swingarm 1
1

5 - 65
CHASREAR SHOCK ABSORBER ASSEMBLY
EC580000
REAR SHOCK ABSORBER ASSEMBLY
Extent of removal:1 Rear shock absorber assembly removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalREAR SHOCK ABSORBER
ASSEMBLY REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNINGSupport the machine securely so there is nodanger of it falling over.
Seat and side covers Refer to “SEAT, FUEL TANK AND SIDE
COVERS” section in the CHAPTER 4.
1 Bolt (rear shock absorber assem-
bly-relay arm)1 Hold the swingarm.
2 Bolt (rear shock absorber assem-
bly-frame)1
3 Bushing 1 Refer to “REMOVAL POINTS”.
4 Rear shock absorber assembly 1
1

–+ELEC
6 - 1
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
The illustration shows the TT-R125LW
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
TT-R125/TT-R125LW
EC611000
ELECTRICAL COMPONENTS
1CDI unit
2Engine stop switch
3Ignition coil
4CDI magneto
5Spark plugCOLOR CODE
B ................. Black
Br ................ Brown
G ................. Green
O ................. Orange
R ................. RedW ................ White
B/R.............. Black/Red
B/W ............. Black/White
G/L .............. Green/Blue
G/W ............ Green/WhiteW/L ............. White/Blue
W/R............. White/Red
EC612000
WIRING DIAGRAM

6 - 2
–+ELEC
The illustration shows the TT-R125LWE
12345 7 6890A
EDCB
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
TT-R125E/TT-R125LWE
EC611000
ELECTRICAL COMPONENTS
1CDI unit
2Main switch
3Start switch
4Clutch switch
5Engine stop switch
6Starting circuit cut-off
relay
7Ignition coil
8Battery
9Starter relay
0Fuse
ARectifier/regulator
BNeutral switch
CCDI magneto
DStarter motor
ESpark plugCOLOR CODE
B ...................... Black
Br ..................... Brown
G...................... Green
O...................... Orange
R ...................... Red
Sb .................... Sky blueW ..................... White
Y ...................... Yellow
B/W.................. Black/White
L/Y ................... Blue/Yellow
R/W ................. Red/White
EC612000
WIRING DIAGRAM
B
R/W
WB
RYW
BR Y
10A
R
BR/W
ON
OFFR
BrRB/WBB/WBr B
ON OFF
R/WBr BB
R/WSbR/W
BB BL/Y
OFF RUN
BBBB/W
W
YWSbBSbY B
G
WBrRG
WBrRB
B/WR
W Br
GO
R
SbR/WR/WR/WR/W
R/W
B
R
B/WBrBr
B
L/Y
BSb
YW
RWBrG
RWBrG
B/W
B/W
BOO
B
B
1
2
3
45 67
8
90 A
BC
DE