2006 YAMAHA TTR125 clutch

SPEC
2 - 11
MAINTENANCE SPECIFICATIONS
Crankshaft:Crank width “A ” 46.95 ~ 47.00 mm
(1.848 ~ 1.850 in) ----
Runout limit “C ” ---- 0.03 mm
(0.0012 in)
Big end side clearance “D ” 0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in) 0.5 mm
(0.02 in)
Clutch: Friction plate thickness 2.92 ~ 3.08 mm (0.115 ~ 0.121 in)2.8 mm
(0.110 in)
Quantity 5 ----
Clutch plate thickness 1.05 ~ 1.35 mm (0.041 ~ 0.053 in)----
Quantity 4 ----
Warp limit ---- 0.2 mm (0.008 in)
Clutch spring free length 33 mm (1.30 in) 31 mm (1.22 in)
Quantity 4 ----
Clutch release method Inner push, cam push ----
Push rod bending limit ---- 0.5 mm (0.020 in)
Shifter: Shifter type Cam drum and guide bar ----
Kick starter: Type Kick and mesh type ----
Kick clip friction force 6.4 ~ 13.2 N (0.65 ~ 1.35 kg, 1.4 ~ 3.0 lb)----
Carburetor: I.D. mark 5HP1 20 ----
Main jet (M.J) #105 ----
Main jet nozzle (N.J) N-6M ----
Main air jet (M.A.J) ø1.2 ----
Jet needle-clip position (J.N) 5HGM77-1 ----
Cutaway (C.A) 2.5 ----
Pilot air jet 1 (P.A.J.1) #80 ----
Pilot air jet 2 (P.A.J.2) #145 ----
Pilot outlet (P.O) ø1.05 ----
Pilot jet (P.J) #15 ----
Pilot air screw (example) (A.S) (2-1/2 ~ 3-1/2 turns out) ----
Bypass (B.P) ø1.0 ----
Needle valve seat size (V.S) 1.8 ----
Starter jet 1 (G.S.1) #22.5 ----
Starter jet 2 (G.S.2) #1.2 ----
Fuel level (F.L) 6.0 ~ 7.0 mm (0.24 ~ 0.28 in) ----
Engine idle speed 1,300 ~ 1,500 r/min ---- Item Standard Limit

SPEC
2 - 13
MAINTENANCE SPECIFICATIONS
Part to be tightened Thread size Q’tyTightening torque
Nm m•kg ft•lb
Spark plug M10 × 1.0 1 13 1.3 9.4
Cylinder head bolt M8 × 1.25 4 22 2.2 16
Cylinder head bolt M6 × 1.0 2 10 1.0 7.2
Oil pressure check bolt M6 × 1.0 1 7 0.7 5.1
Cylinder head side cover M6 × 1.0 2 10 1.0 7.2
Tappet cover M45 × 1.5 2 18 1.8 13
Timing chain guide M6 × 1.0 1 10 1.0 7.2
Adjusting screw (valve) and locknut M5 × 0.5 2 8 0.8 5.8
Camshaft sprocket M8 × 1.25 1 20 2.0 14
Bearing plate cover (camshaft) M6 × 1.0 1 10 1.0 7.2
Timing chain tensioner cap bolt M6 × 1.0 1 8 0.8 5.8
Timing chain tensioner M6 × 1.0 2 10 1.0 7.2
Oil pump assembly M6 × 1.0 2 7 0.7 5.1
Oil pump cover M5 × 0.8 1 5 0.5 3.6
Engine oil drain bolt M12 × 1.5 1 20 2.0 14
Carburetor joint M6 × 1.0 2 10 1.0 7.2
Carburetor joint clamp (air filter) M4 × 0.7 1 2 0.2 1.4
Coasting enricher cover M4 × 0.7 2 2 0.2 1.4
Air filter case M6 × 1.0 3 7 0.7 5.1
Muffler M6 × 1.0 2 10 1.0 7.2
Muffler M10 × 1.25 1 60 6.0 43
Muffler M8 × 1.25 1 30 3.0 22
Muffler guard M6 × 1.0 7 10 1.0 7.2
Spark arrester M6 × 1.0 3 10 1.0 7.2
Crankcase M6 × 1.0 10 10 1.0 7.2
Left crankcase cover M6 × 1.0 7 10 1.0 7.2
Drive sprocket cover M6 × 1.0 2 12 1.2 8.7
Right crankcase cover M6 × 1.0 9 10 1.0 7.2
Lead guide (CDI magneto lead) M6 × 1.0 1 7 0.7 5.1
Timing mark accessing screw M14 × 1.5 1 7 0.7 5.1
Crankshaft end accessing screw M32 × 1.5 1 7 0.7 5.1
Kickstarter crank M12 × 1.0 1 50 5.0 36
Starter clutch (TT-R125E/TT-R125LWE) M8 × 1.25 3 30 3.0 22
Plate (starter idle gear) (TT-R125E/TT-R125LWE) M6 × 1.0 2 7 0.7 5.1
Primary drive gear M12 × 1.0 1 70 7.0 50
Clutch spring M5 × 0.8 4 6 0.6 4.3
Clutch boss M12 × 1.0 1 60 6.0 43
Adjusting screw (push rod) and locknut M6 × 1.0 1 8 0.8 5.8
Bearing plate cover (main axle) M6 × 1.0 2 7 0.7 5.1
Drive sprocket M5 × 0.8 2 6 0.6 4.3
Shift arm M6 × 1.0 1 10 1.0 7.2
Shift rod and shift pedal M6 × 1.0 1 7 0.7 5.1
Shift rod and shift arm M6 × 1.0 1 7 0.7 5.1
Shift pedal M6 × 1.0 1 12 1.2 8.7

SPEC
2 - 16
MAINTENANCE SPECIFICATIONS
Drum brake:
Front drum brake type Leading, trailing ----
Rear drum brake type Leading, trailing ----
Front drum inside diameter 110 mm (4.33 in) 111 mm (4.37 in)
Rear drum inside diameter 110 mm (4.33 in) 111 mm (4.37 in)
Front lining thickness 4.0 mm (0.16 in) 2.0 mm (0.08 in)
Rear lining thickness 4.0 mm (0.16 in) 2.0 mm (0.08 in)
Front shoe spring free length 50.5 mm (1.99 in) ----
Rear shoe spring free length 50.5 mm (1.99 in) ----
Brake lever and brake pedal:
Brake lever free play (lever end) 10 ~ 15 mm (0.39 ~ 0.59 in) ----
Brake pedal position
(vertical height below footrest top)1 mm (0.04 in) ----
Brake pedal free play 20 ~ 30 mm (0.79 ~ 1.18 in) ----
Clutch lever free play (lever end) 10 ~15 mm (0.39 ~ 0.59 in) ----
Throttle grip free play 3 ~ 5 mm (0.12 ~ 0.20 in) ----Item Standard Limit

SPEC
2 - 17
MAINTENANCE SPECIFICATIONS
NOTE:
1. First, tighten the ring nut approximately 38 Nm (3.8 m • kg, 27 ft • lb) by using the ring nut
wrench and turn the steering right and left a few times; then loosen the ring nut one turn.
2. Retighten the ring nut 20 Nm (2.0 m • kg, 14 ft • lb). Part to be tightened Thread size Q’tyTightening torque
Nm m•kg ft•lb
Upper bracket and inner tube M8 × 1.25 2 25 2.5 18
Lower bracket and inner tube M10 × 1.25 2 60 6.0 43
Upper bracket and steering stem M22 × 1.0 1 110 11.0 80
Handlebar upper holder and upper bracket M8 × 1.25 4 23 2.3 17
Steering stem and ring nut M25 × 1.0 1 Refer to NOTE.
Front fork and cap bolt M25 × 1.0 2 23 2.3 17
Front fork and damper rod M10 × 1.0 2 23 2.3 17
Front fork and brake cable holder M6 × 1.0 1 7 0.7 5.1
Number plate M6 × 1.0 1 7 0.7 5.1
Starter knob M11 × 1.25 1 1 0.1 0.7
Starter knob stay M6 × 1.0 2 10 1.0 7.2
Grip cap upper and lower M5 × 0.8 2 4 0.4 2.9
Throttle cable cap M4 × 0.7 2 2 0.2 1.4
Brake lever mounting (bolt) M6 × 1.0 1 3 0.3 2.2
Brake lever mounting (nut) M6 × 1.0 1 4 0.4 2.9
Brake lever holder M5 × 0.8 2 4 0.4 2.9
Clutch lever mounting (bolt) M6 × 1.0 1 7 0.7 5.1
Clutch lever mounting (nut) M6 × 1.0 1 7 0.7 5.1
Clutch lever holder M5 × 0.8 2 4 0.4 2.9
Front wheel axle and axle nut M12 × 1.25 1 45 4.5 32
Front brake camshaft lever and camshaft M6 × 1.0 1 10 1.0 7.2
Rear wheel axle and axle nut M12 × 1.25 1 60 6.0 43
Rear brake camshaft lever and camshaft M6 × 1.0 1 10 1.0 7.2
Brake pedal mounting M10 × 1.25 1 30 3.0 22
Brake pedal position locknut M6 × 1.0 1 7 0.7 5.1
Front wheel nipple (spoke)—36 2 0.2 1.4
Rear wheel nipple (spoke)—36 3 0.3 2.2
Driven sprocket (nut) M10 × 1.25 4 43 4.3 31
Driven sprocket (stud) M10 × 1.25 4 30 3.0 22
Sidestand mounting (nut) M10 × 1.25 1 44 4.4 32
Engine mounting:
Engine bracket (front) and frame M8 × 1.25 2 40 4.0 29
Engine bracket (front) and engine M8 × 1.25 2 40 4.0 29
Engine bracket (upper) and frame M8 × 1.25 2 40 4.0 29
Engine bracket (upper) and cylinder head M8 × 1.25 1 40 4.0 29
Engine and frame (rear) M8 × 1.25 2 40 4.0 29
Pivot shaft and nut M12 × 1.25 1 53 5.3 38
Relay arm and swingarm M12 × 1.25 1 70 7.0 50

SPEC
2 - 20
MAINTENANCE SPECIFICATIONS
Drive chain:
Type/manufacturer DID428HD/DAIDO ----
Number of links 122 links ----
Chain slack 35 ~ 50 mm (1.4 ~ 2.0 in) ----
Chain length (10 links) ----121.4 mm
(4.78 in)
Front disc brake:
Disc outside dia. × Thickness 220 × 3.0 mm (8.66 × 0.12 in)220 × 2.5 mm
(8.66 × 0.10 in)
Deflection limit ----0.15 mm (0.006 in)
Pad thickness 4.0 mm (0.16 in)0.8 mm (0.03 in)
Master cylinder inside dia. 11.0 mm (0.433 in) ----
Caliper cylinder inside dia. 22.22 mm (0.875 in) × 2 ----
Brake fluid type DOT #4 ----
Rear drum brake:
Drum brake type Leading, trailing ----
Drum inside diameter 110 mm (4.33 in) 111 mm (4.37 in)
Lining thickness 4.0 mm (0.16 in) 2.0 mm (0.08 in)
Shoe spring free length 50.5 mm (1.99 in) ----
Brake lever and brake pedal:
Brake lever free play (lever end) 2 ~ 5 mm (0.08 ~ 0.20 in) ----
Brake pedal position
(vertical height below footrest top)1 mm (0.04 in) ----
Brake pedal free play 20 ~ 30 mm (0.79 ~ 1.18 in) ----
Clutch lever free play (lever end) 10 ~ 15 mm (0.39 ~ 0.59 in) ----
Throttle grip free play 3 ~ 5 mm (0.12 ~ 0.20 in) ----Item Standard Limit

SPEC
2 - 21
MAINTENANCE SPECIFICATIONS
NOTE:
1. First, tighten the ring nut approximately 38 Nm (3.8 m • kg, 27 ft • lb) by using the ring nut
wrench and turn the steering right and left a few times; then loosen the ring nut one turn.
2. Retighten the ring nut 20 Nm (2.0 m • kg, 14 ft • lb). Part to be tightened Thread size Q’tyTightening torque
Nm m•kg ft•lb
Upper bracket and inner tube M8 × 1.25 2 25 2.5 18
Lower bracket and inner tube M10 × 1.25 2 60 6.0 43
Upper bracket and steering stem M22 × 1.0 1 110 11.0 80
Handlebar upper holder and upper bracket M8 × 1.25 4 23 2.3 17
Steering stem and ring nut M25 × 1.0 1 Refer to NOTE.
Front fork and cap bolt M25 × 1.0 2 23 2.3 17
Front fork and damper rod M10 × 1.0 2 23 2.3 17
Front fork and brake hose holder M6 × 1.0 2 7 0.7 5.1
Number plate M6 × 1.0 1 7 0.7 5.1
Starter knob M11 × 1.25 1 1 0.1 0.7
Starter knob stay M6 × 1.0 2 10 1.0 7.2
Grip cap upper and lower M5 × 0.8 2 4 0.4 2.9
Throttle cable cap M4 × 0.7 2 2 0.2 1.4
Front brake master cylinder M6 × 1.0 2 9 0.9 6.5
Front brake master cylinder cap M4 × 0.7 2 2 0.2 1.4
Brake lever mounting (bolt) M6 × 1.0 1 7 0.7 5.1
Brake lever mounting (nut) M6 × 1.0 1 7 0.7 5.1
Brake lever adjuster and locknut M6 × 0.75 1 4 0.4 2.9
Clutch lever mounting (bolt) M6 × 1.0 1 7 0.7 5.1
Clutch lever mounting (nut) M6 × 1.0 1 7 0.7 5.1
Clutch lever holder M5 × 0.8 2 4 0.4 2.9
Front brake master cylinder and joint M10 × 1.25 1 26 2.6 19
Front brake hose and joint M10 × 1.25 1 14 1.4 10
Front brake hose union bolt M10 × 1.25 1 26 2.6 19
Front brake caliper and front fork M8 × 1.25 2 30 3.0 22
Brake caliper support bolt M8 × 1.25 1 22 2.2 16
Front brake caliper and bleed screw M7 × 1.0 1 6 0.6 4.3
Front wheel axle and axle nut M12 × 1.25 1 45 4.5 32
Front brake disc and wheel hub M6 × 1.0 4 12 1.2 8.7
Rear wheel axle and axle nut M12 × 1.25 1 60 6.0 43
Rear brake camshaft lever and camshaft M6 × 1.0 1 10 1.0 7.2
Brake pedal mounting M10 × 1.25 1 30 3.0 22
Brake pedal position locknut M6 × 1.0 1 7 0.7 5.1
Front wheel nipple (spoke)—36 2 0.2 1.4
Rear wheel nipple (spoke)—36 3 0.3 2.2

2 - 29
SPEC
1Engine stop switch lead
2 Engine stop switch
3 Clamp
4 Brake cable
5 (Brake hose for the TT-R125LW)
Clutch cable
6 Throttle cable Å
Pass the engine stop switch lead in the middle of the clutch holder.
ı Clamp the engine stop switch lead to the handlebar to 3 clicks.
Ç Pass the brake cable (brake hose for the TT-R125LW) in front of the
number plate and through the cable guide.
Î Pass the clutch cable in back of the number plate.
‰ Clamp the throttle cable adjuster cover to the handlebar with the clamp
ends downward.
CABLE ROUTING DIAGRAM

6 - B - V
2 - 30
SPECCABLE ROUTING DIAGRAM
TT-R125E/TT-R125LWE
1Ground lead
2 Primary coil lead
3 Clamp
4 Wire harness
5 Starter relay lead
6 Rectifier/regulator lead
7 CDI magneto lead
8 Air vent hose
9 Neutral switch lead
0 Rear shock absorber assembly
sub-tank hose (TT-R125LWE
only)
A Starting circuit cut-off relay lead
B CDI unit lead
C Corrugated tube D
Brake hose holder (Brake cable
holder for the TT-R125E)
E Brake hose (Brake cable for the
TT-R125E)
F Cable guide
G Main switch lead
H Engine stop switch lead
I Clutch switch lead
J Start switch lead
K CDI unit band
L CDI unit
M Connector cover
N Rubber cover
O Starter cable
P Throttle cable Q
Rectifier/regulator
Å Fasten the primary coil lead and
ground lead.
ı Fasten the wire harness at its
tape.
Ç Fasten the wire harness and
CDI magneto lead in front of the
rear shock absorber assembly
bracket at the protecting tube
for the CDI magneto lead.
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