YAMAHA WR 250F 2002 Owners Manual

YAMAHA WR 250F 2002 Owners Manual WR 250F 2002 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52338/w960_52338-0.png YAMAHA WR 250F 2002 Owners Manual
Trending: fuel cap, air filter, recommended oil, coolant reservoir, remove seats, engine oil, brakes

Page 611 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC
 
 UNITÀ CDI CONTROLLATA DA MAPPA 
6 - 2 
UNITÀ CDI CONTROLLATA DA MAPPA 
Il modello WR250F impiega un sistema di accensione CDI controllata da mappa.
Il microcomputer nell’unità CDI ril

Page 612 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC
 
6 - 3 
IGNITION SYSTEM 
EC620000 
IGNITION SYSTEM 
INSPECTION STEPS 
Use the following steps for checking the possibility of the malfunctioning engine being attributable to
ignition system

Page 613 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC
 
SYSTEME D’ALLUMAGE
SYSTEME D’ALLUMAGE  
ETAPES DU CONTROLE 
Se référer au tableau suivant lors de l’inspection du système d’allumage lors de pannes.
Suivre le procédé suivant p

Page 614 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELECZÜNDANLAGE
ZÜNDANLAGE
FEHLERSUCHE
Bei der Überprüfung der Zündanlage auf mögliche Störungen ist das folgende Ablaufdiagramm zu
beachten.
Folgendes Diagramm hilft zündanlagen- und zünd

Page 615 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC IMPIANTO DI ACCENSIONE
IMPIANTO DI ACCENSIONE
FASI DI ISPEZIONE
Utilizzare la procedura seguente per controllare la possibilità che un cattivo funzionamento del motore sia
attribuibile ad un

Page 616 of 694

YAMAHA WR 250F 2002  Owners Manual  
6 - 4
–+ELEC
 
IGNITION SYSTEM 
SPARK GAP TEST 
1. Disconnect the spark plug cap from spark
plug.
2. Connect the dynamic spark tester  
1  
(ignition checker  
2  
) as shown. 
 
Spark plug cap

Page 617 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC
SYSTEME D’ALLUMAGE
ZÜNDANLAGE
 IMPIANTO DI ACCENSIONE
ZÜNDFUNKENSTRECKE KON-
TROLLIEREN
1. Den Zündkerzenstecker von
der Zündkerze abziehen.
2. Den Zündfunkenstreckente-
ster 1 (bzw. 2

Page 618 of 694

YAMAHA WR 250F 2002  Owners Manual  
6 - 5
–+ELEC
 
IGNITION SYSTEM 
EC626002 
IGNITION COIL INSPECTION 
1. Inspect: 
 
Primary coil resistance
Out of specification  
→ 
 Replace. 
Tester (+) lead  
→ 
 Orange lead  
1 
Tester (

Page 619 of 694

YAMAHA WR 250F 2002  Owners Manual –+ELEC
SYSTEME D’ALLUMAGE
ZÜNDANLAGE
 IMPIANTO DI ACCENSIONE
ZÜNDSPULE KONTROLLIEREN
1. Kontrollieren:
Primärspulen-Widerstand
Unvorschriftsmäßig → 
Erneuern.
Meßkabel (+) → orange 1 
M

Page 620 of 694

YAMAHA WR 250F 2002  Owners Manual 6 - 6
–+ELECIGNITION SYSTEM
2. Inspect:
Charging coil 1 resistance
Out of specification → Replace.
3. Inspect:
Charging coil 2 resistance
Out of specification → Replace. Tester (+) lead → Br
Trending: wheel bolt torque, oil change, ground clearance, flat tire, wheel alignment, bolt pattern, brake light