2003 YAMAHA TTR90 lock

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Page 122 of 340

YAMAHA TTR90 2003  Owners Manual  
3 - 3
INSP
ADJ
 
ENGINE/THROTTLE CABLE ADJUSTMENT/
AIR FILTER CLEANING 
EC350000 
ENGINE 
THROTTLE CABLE ADJUSTMENT  
1. Check: 
 
Throttle grip free play   
a  
 
Out of specification   
→  
 Ad

Page 134 of 340

YAMAHA TTR90 2003  Owners Manual 3 - 9
INSP
ADJ
VALVE CLEARANCE ADJUSTMENT
4. Check:
Valve clearance
Out of specification → Adjust. 
5. Adjust:
Valve clearance
Valve clearance (cold):
Intake valve:
0.05 ~ 0.09 mm 
(0.0020 ~ 0.003

Page 138 of 340

YAMAHA TTR90 2003  Owners Manual 3 - 11
INSP
ADJCHASSIS/FRONT BRAKE ADJUSTMENT/
REAR BRAKE ADJUSTMENT
CHASSIS
FRONT BRAKE ADJUSTMENT
1. Check:
Brake lever free play a 
Out of specification → Adjust.
Free play (brake lever):
10 ~ 2

Page 140 of 340

YAMAHA TTR90 2003  Owners Manual 3 - 12
INSP
ADJ
DRIVE CHAIN SLACK ADJUSTMENT
DRIVE CHAIN SLACK ADJUSTMENT
1. Elevate the rear wheel by placing the
suitable stand under the engine.
2. Check:
Drive chain slack a 
In the center betwee

Page 141 of 340

YAMAHA TTR90 2003  Owners Manual INSP
ADJ
ANTRIEBSKETTEN-DURCHHANG 
EINSTELLEN
1. Das Motorrad am Motor aufbocken, um
das Hinterrad vom Boden abzuheben.
2. Kontrollieren:
Antriebsketten-Durchhang a 
über der Kettenführungs-Schraub

Page 142 of 340

YAMAHA TTR90 2003  Owners Manual 3 - 13
INSP
ADJFRONT FORK INSPECTION/REAR SHOCK ABSORBER INSPECTION/
REAR SHOCK ABSORBER SPRING PRELOAD ADJUSTMENT
Tighten the wheel axle nut while pushing
down the drive chain.
T R..
Axle nut:
60 Nm

Page 147 of 340

YAMAHA TTR90 2003  Owners Manual INSP
ADJ
 
INSPECTION ET SERRAGE DES RAYONS/VERIFICATION DES ROUES/
CONTROLE ET REGLAGE DE LA TETE DE FOURCHE 
SPEICHEN KONTROLLIEREN UND FESTZIEHEN/RÄDER
KONTROLLIEREN/LENKKOPF KONTROLLIEREN UND EIN

Page 148 of 340

YAMAHA TTR90 2003  Owners Manual 3 - 16
INSP
ADJ
STEERING HEAD INSPECTION AND ADJUSTMENT
3. Check:
Steering smooth action
Turn the handlebar lock to lock.
Unsmooth action → Adjust steering ring
nut.
4. Adjust:
Steering ring nut
S