check oil YAMAHA WR 250F 2007 Betriebsanleitungen (in German)

YAMAHA WR 250F 2007 Betriebsanleitungen (in German) WR 250F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52333/w960_52333-0.png YAMAHA WR 250F 2007 Betriebsanleitungen (in German)

Page 746 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 6 - 83
CHASFRONT FORK
20. Measure:
Oil level (left and right) 
a 
Out of specification 
→ Adjust.
NOTE:Be sure to install the spring guide 
2
when checking the oil level.
WARNING
Never fail to make

Page 826 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 5
–+ELECIGNITION SYSTEM
EC620000
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to ignition system failure

Page 832 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 11
–+ELECIGNITION SYSTEM
SPARK GAP TEST
1. Disconnect the ignition coil from
spark plug.
2. Remove the ignition coil cap.
3. Connect the dynamic spark
tester 
1 (ignition checker 
2) as
shown.
â

Page 838 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 17
–+ELECIGNITION SYSTEM
AC MAGNETO INSPECTION
1. Inspect:
•Pickup coil resistance
Out of specification 
→ 
Replace.
Tester (+) lead →
 Red lead 1
 
Tester (–) lead →
 White lead 2
 
P

Page 864 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 43
–+ELECCHARGING SYSTEM
EC680000
CHARGING SYSTEM
EC681001INSPECTION STEPS
If the battery is not charged, use the following inspection steps.
*1 marked: Refer to “FUSE INSPECTION” section in

Page 870 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 49
–+ELECCHARGING SYSTEM
EC624000COUPLERS AND LEADS 
CONNECTION INSPECTION
1. Check:
•Couplers and leads connec-
tion
Rust/dust/looseness/short-cir-
cuit 
→ Repair or replace.
CHARGING VOLTA

Page 872 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 51
–+ELECTHROTTLE POSITION SENSOR SYSTEM
THROTTLE POSITION SENSOR SYSTEM
INSPECTION STEPS
If the throttle position sensor will not operate, use the following inspection steps.
NOTE:Use the follo

Page 878 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 57
–+ELECTHROTTLE POSITION SENSOR SYSTEM
HANDLING NOTE
CAUTION:
Do not loosen the screw (throttle
position sensor) 1
 except when
changing the throttle position sen-
sor due to failure because i

Page 880 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 59
–+ELECTHROTTLE POSITION SENSOR SYSTEM
3. Inspect:
•Throttle position sensor coil
variable resistance
Check that the resistance in
increased as the throttle grip is
moved from the full close

Page 888 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 7 - 67
–+ELECLIGHTING SYSTEM
LIGHTING SYSTEM
INSPECTION STEPS
Refer to the following flow chart when inspecting the lighting system for possible problems.
NOTE:•Replace the bulb and/or bulb socket
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