ECU YAMAHA TTR90 2003 Owners Manual

YAMAHA TTR90 2003 Owners Manual TTR90 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/51688/w960_51688-0.png YAMAHA TTR90 2003 Owners Manual

Page 7 of 340

YAMAHA TTR90 2003  Owners Manual  
WICHTIGER HINWEIS 
Dieses Fahrzeug ist ausschließlich für den Ge-
brauch abseits öffentlicher Straßen durch jun-
ge Fahrer unter Beaufsichtigung von Erwach-
senen vorgesehen. Der Einsatz dieses

Page 11 of 340

YAMAHA TTR90 2003  Owners Manual SICHERHEITSINFORMATION
 
1. Das Fahrzeug nicht auf der Straße fahren.
2. Den Motor nicht in geschlossenen Räumen
starten.
3. Dieses Fahrzeug ist nur für eine Person
zugelassen. Zweipersonen-Betrieb

Page 15 of 340

YAMAHA TTR90 2003  Owners Manual  
COMMENT UTILISER CE 
MANUEL 
INFORMATIONS PARTICULIERE-
MENT IMPORTANTES 
Le symbole d’alerte de sécurité signifie 
ATTENTION! SOYEZ VIGILANT! VOTRE
SECURITE EST EN JEU!
Le non-respect des instr

Page 37 of 340

YAMAHA TTR90 2003  Owners Manual 1 - 7
GEN
INFO
SPECIAL TOOLS
YM-1312-A, 90890-01312Fuel level gauge
This gauge is used to measure the fuel level in the 
float chamber.YM-1312-A 90890-01312
YM-1326, 90890-01326 T-handle
This tool is

Page 54 of 340

YAMAHA TTR90 2003  Owners Manual 1 - 13
GEN
INFO
STARTING AND OPERATION
STARTING AND OPERATION
CAUTION:
Prior to operating the machine, perform
steps listed in pre-operation check list.
WARNING
Never start your engine or let it run f

Page 210 of 340

YAMAHA TTR90 2003  Owners Manual 4 - 20
ENGVALVES AND VALVE SPRINGS
ASSEMBLY AND INSTALLATION
1. Apply:
Molybdenum disulfide oil
(onto the valve stem and valve stem
seal)
2. Install:
Valve stem seats 
Valves
Valve springs
Valve

Page 268 of 340

YAMAHA TTR90 2003  Owners Manual  
5 - 1
CHAS
 
EC500000 
CHASSIS 
FRONT WHEEL AND REAR WHEEL 
FRONT WHEEL AND FRONT BRAKE 
FRONT WHEEL AND REAR WHEEL 
Extent of removal:  
1  
 Front wheel removal  
2  
 Wheel bearing removal  
3

Page 272 of 340

YAMAHA TTR90 2003  Owners Manual  
5 - 3
CHAS
 
FRONT 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

Page 278 of 340

YAMAHA TTR90 2003  Owners Manual  
5 - 6
CHAS
 
FRONT FORK 
EC550000 
FRONT FORK 
Extent of removal: 
1 
 Front fork removal
Extent of removal Order Part name Q’ty Remarks 
FRONT FORK REMOVAL
WARNING
 
Support the machine securely

Page 286 of 340

YAMAHA TTR90 2003  Owners Manual 5 - 10
CHASSTEERING
EC560000
STEERING
LS
LS
T R..TIGHTENING STEPS:
•Tighten ring nut.
 38 Nm (3.8 m • kg, 27 ft • Ib)
•Loosen it completely.
•Retighten it.
 1 Nm (0.1 m • kg, 0.7 ft • Ib
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