2007 YAMAHA TTR125 engine

5 - 1
CHASFRONT WHEEL AND FRONT BRAKE (TT-R125/TT-R125E)
EC500000
CHASSIS
FRONT WHEEL AND FRONT BRAKE (TT-R125/TT-R125E)
Extent of removal:1 Front wheel removal2 Wheel bearing removal
3 Brake shoe plate assembly removal and disassembly
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT WHEEL AND DRUM
BRAKE
Hold the machine by placing the
suitable stand under the engine.
WARNINGSupport 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 - 8
CHAS
FRONT WHEEL (TT-R125LW/TT-R125LWE)
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.
WARNINGSupport 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/TT-R125LWE)

5 - 12
CHAS
FRONT BRAKE (TT-R125LW/TT-R125LWE)
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.
WARNINGSupport 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/TT-R125LWE)

5 - 13
CHASFRONT BRAKE (TT-R125LW/TT-R125LWE)
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.
WARNINGSupport the machine securely so there is no
danger of it falling over.
1Brake pad 2
2Brake caliper bracket 1
3Brake caliper piston 2
Refer to “REMOVAL POINTS”. 4Brake caliper dust seal 2
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 removalREAR WHEEL AND DRUM
BRAKE
Hold the machine by placing the
suitable stand under the engine.
WARNINGSupport the machine securely so there is nodanger 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
ÅTT-R125/TT-R125E/TT-R125LW
ıTT-R125LWE
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.
WARNINGSupport the machine securely so there is nodanger of it falling over.
Front wheel Refer to “FRONT WHEEL AND FRONT
BRAKE” section for the TT-R125/
TT-R125E.
(Refer to “FRONT WHEEL” section for
the TT-R125LW/TT-R125LWE.)
Handlebar Refer to “HANDLEBAR” section.
AB
1 Cap 1–
2 Pinch bolt (upper bracket) 1 1 Only loosening.
3 Cap bolt 1 1Loosen when disassembling the front fork.
4 Pinch bolt (lower bracket) 1 1 Only loosening.
5Front fork
11
1

5 - 42
CHASHANDLEBAR
EC5B0000
HANDLEBAR
TT-R125
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 Front brake cable 1
5 Front brake lever 1
6 Grip cap (lower) 1
7 Grip cap (upper) 1
8 Throttle cable 1
9 Throttle grip assembly 1
10 Collar 1
11 Handlebar grip (left) 1 Refer to “REMOVAL POINTS”.
12 Handlebar holder 2
13 Handlebar 1
1

5 - 43
CHASHANDLEBAR
TT-R125E
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 Front brake cable 1
5 Start switch 1
6 Front brake lever 1
7 Grip cap (lower) 1
8 Grip cap (upper) 1
9 Throttle cable 1
10 Throttle grip assembly 1
11 Collar 1
12 Handlebar grip (left) 1 Refer to “REMOVAL POINTS”.
13 Main switch 1
14 Handlebar holder 2
15 Handlebar 1
1