2006 YAMAHA TTR50 brake

3 - 18
INSPADJDRIVE CHAIN SLACK ADJUSTMENT/
FRONT FORK INSPECTION/REAR SHOCK ABSORBER INSPECTION
NOTE:
Turn the adjuster so that the chain is in line
with the sprocket, as viewed from the rear.
CAUTION:
Too small chain slack will overload the
engine and other vital parts; keep the
slack within the specified limits.
 Tighten the wheel axle nut while pushing
down the drive chain.
T R..
Axle nut:
60 Nm (6.0 m  kg, 43 ft  lb)
 Tighten the locknuts.
T R..
Locknut:
7 Nm (0.7 m  kg, 5.1 ft  lb)
EC36C000
FRONT FORK INSPECTION
1. Inspect:
Front fork smooth action
Operate the front brake and stroke the
front fork.
Unsmooth action → Repair or replace.
EC36K000
REAR SHOCK ABSORBER INSPECTION
1. Inspect:
Swingarm smooth action
Abnormal noise/unsmooth action →
Grease the pivoting points or repair the
pivoting points.
Damage/oil leakage → Replace.

3 - 22
INSPADJ
LUBRICATION
LUBRICATION
To ensure smooth operation of all compo-
nents, lubricate your machine during setup,
after break-in, and after every race.
1 All control cable
2 Brake lever pivot
3 Shift pedal pivot
4 Footrest pivot
5 Throttle-to-handlebar contact
6 Drive chain
7 Tube guide cable winding portion
8 Throttle cable end
9 Brake cable end È
Use Yamaha cable lube or equivalent on these
areas.
É Use SAE 10W-30 motor oil or suitable chain
lubricants.
Ê Lubricate the following areas with high quality,
lightweight lithium-soap base grease.
AAA
AAB
CC
7 8

4 - 29
ENGCLUTCH
CLUTCH
LS
E
E
E
T R..10 Nm (1.0 m • kg, 7.2 ft • Ib)T R..6 Nm (0.6 m •
kg, 4.3 ft • Ib)
T R..70 Nm (7.0 m •
kg, 50 ft • lb)
E
New
E
E
2 3
6
7
8
7
10
9
11
1314
16
25
45
20
20
191817
2728
29
2630
21
2423
22
12 15
31
1
New
T R..5 Nm (0.5 m •
kg, 3.6 ft • Ib)
(3)
Extent of removal: 1 Friction plate and clutch plate removal
2 Clutch housing removal
3 Clutch removal
Extent of removal Order Part name Q ’ty Remarks
CLUTCH REMOVAL
Preparation for removal Brake pedal and footrest assem- bly Refer to
“ENGINE REMOVAL ” section.
1 Clutch adjuster cover 1
2 Clutch adjuster locknut 1
3 Crankcase cover (right) 1
4 Dowel pin 2
5 Gasket 1
6 Clutch adjuster 1
7 Shift guide 2
8 Pawl holder 1
9 Shift arm 1
10 Pressure plate 1
213

4 - 48
ENGENGINE REMOVAL
(4)
NewNew
LS
T R..30 Nm (3.0 m • kg, 22 ft • Ib)
T R..30 Nm (3.0 m •
kg, 22 ft • Ib)
T R..30 Nm (3.0 m •
kg, 22 ft • Ib)
T R..30 Nm (3.0 m •
kg, 22 ft • Ib)
T R..48 Nm (4.8 m •
kg, 35 ft • Ib)
T R..7 Nm (0.7 m •
kg, 5.1 ft • Ib)
T R..10 Nm (1.0 m • kg, 7.2 ft • Ib)
(3)
10
4
1 6
2
9
3
11
7
5 8
Extent of removal Order Part name Q
’ty Remarks
Drain the engine oil. Refer to “ENGINE OIL REPLACEMENT ”
section in the CHAPTER 3.
1 Drive sprocket cover 1
2 Drive sprocket 1
3 Shift pedal 1
4 Brake pedal 1
5 Footrest 1
6 Crankcase breather hose 1
7 Engine mounting bolt (front upper side) 1
8 Engine bracket 1
1

5 - 1
CHAS
EC500000
CHASSIS
FRONT WHEEL AND REAR WHEEL
FRONT WHEEL AND FRONT BRAKE
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
FRONT WHEEL REMOVAL
WARNING
Support the machine securely so
there is no danger of it falling over.
Preparation for removal Hold the machine by placing the
suitable stand under the engine.
1 Front brake adjuster 1
2Pin 1
3Spring 1
4 Locknut 1
5 Brake cable 1 Disconnect at the lever side.
6 Front fork guard (left) 1
7 Front fork guard (right) 1
8 Wheel axle nut 1
9 Front wheel axle 1
21
FRONT WHEEL AND REAR WHEEL

5 - 2
CHAS
Extent of removal Order Part name Q’ty Remarks
10 Front wheel 1
11 Collar 1
12 Brake shoe plate assembly 1
13 Oil seal 1
14 Bearing 2 Refer to “REMOVAL POINTS ”.
15 Brake shoe spring 1
16 Brake shoe 2
17 Brake camshaft lever 1
18 Wear indicator plate 1
19 Brake camshaft 1
2
1
3
3
FRONT WHEEL AND REAR WHEEL

5 - 3
CHASFRONT WHEEL AND REAR WHEEL
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
REAR WHEEL REMOVAL
WARNING
Support the machine securely so
there is no danger of it falling over.
Preparation for removal Hold the machine by placing the
suitable stand under the engine.
1 Rear brake adjuster 1
2Pin 1
3Spring 1
4 Drive chain locknut 2
5 Wheel axle nut 1
6 Rear wheel axle 1
7 Drive chain puller 2
8 Rear wheel 1
9 Collar (left) 1
10 Brake shoe plate assembly 1
2
1
3

5 - 4
CHASFRONT WHEEL AND REAR WHEEL
Extent of removal Order Part name Q’ty Remarks
11 Bearing 2 Refer to “REMOVAL POINTS ”.
12 Brake shoe spring 1
13 Brake shoe 2
14 Brake camshaft lever 1
15 Wear indicator plate 1
16 Brake camshaft 1
17 Rear wheel sprocket 1
18 Oil seal 1
2
3