2006 YAMAHA TTR50 Front wheel

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 - 20
INSPADJWHEEL INSPECTION/
STEERING HEAD INSPECTION AND ADJUSTMENT
2. Inspect:
Bearing free play
Exist play → Replace.
STEERING HEAD INSPECTION AND
ADJUSTMENT
1. Elevate the front wheel by placing a suit-
able stand under the engine.
2. Check:
Steering head
Grasp the bottom of the forks and gently
rock the fork assembly back and forth.
Free play → Adjust the steering head.
3. Check: Steering smooth action
Turn the handlebar lock to lock.
Unsmooth action → Adjust the steering
head.
4. Adjust:
Steering head
Steering ring nut adjustment steps:
 Remove the front fender 1.
 Remove the handlebar 2, upper bracket
bolts 3, steering stem nut 4 and upper
bracket 5.
1
4
3
52

4 - 10
ENGCYLINDER HEAD
CYLINDER HEAD
Extent of removal: 1 Cylinder head removal
Extent of removal Order Part name Q ’ty Remarks
CYLINDER HEAD REMOVAL
Preparation for removal Seat assembly and fuel tank Refer to “FRONT FENDER, SEAT
ASSEMBLY AND FUEL TANK ” section.
Muffler Refer to “MUFFLER ” section.
Carburetor Refer to “CARBURETOR ” section.
Front wheel Refer to “FRONT WHEEL AND REAR
WHEEL ” section in the CHAPTER 5.
1 Plug cap/spark plug 1/1
2 Crankshaft end cover 1
3 Timing plug 1
4 Camshaft sprocket cover 1
5 Tappet cover 2
6 Camshaft sprocket bolt 1 Refer to “REMOVAL POINTS ”.
7 Timing chain tensioner cap bolt 1
1

4 - 42
ENGAC MAGNETO AND STARTER CLUTCH
AC MAGNETO AND STARTER CLUTCH
È Stake
Extent of removal: 1 Crankcase cover (left) removal
2 Pickup coil/stator removal
3 Rotor removal
4 Starter clutch/wheel gear removal
Extent of removal Order Part name Q ’ty Remarks
AC MAGNETO AND STATOR
REMOVAL
Preparation for removal Seat assembly Refer to “FRONT FENDER, SEAT
ASSEMBLY AND FUEL TANK ” section.
1 Crankcase cover (left) 1
2 Dowel pin 2
3 Gasket 1
4 AC magneto coupler 2
5 Neutral switch lead 1
6 Pickup coil/stator assembly 1
7 Rotor nut 1 Use special tool.
Refer to “REMOVAL POINTS ”.
8 Rotor 1
9 Woodruff key 1
21
3
4

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