2006 YAMAHA WR 250F battery

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Page 771 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 8
–+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 778 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 15
–+ELECIGNITION SYSTEM
2. Inspect: 
•Rubber part 
a 
Tears/damage 
→ Replace.
a
MAIN SWITCH INSPECTION
1. Inspect:
•Main switch conduct
Continuous while the main switch is
moved to “OF

Page 784 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 21
–+ELECELECTRIC STARTING SYSTEM
ELECTRIC STARTING 
SYSTEM
STARTING CIRCUIT CUT-OFF 
SYSTEM OPERATION
If the main switch is set to “ON”, the
starter motor can only operate if at
least one o

Page 786 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 23
–+ELECELECTRIC STARTING SYSTEM
INSPECTION STEPS
If the starter motor will not operate, use the following inspection steps.
*1 marked: Refer to “FUSE INSPECTION” section in the CHAPTER 3.

Page 792 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 29
–+ELECELECTRIC STARTING SYSTEM
EC624000COUPLERS AND LEADS 
CONNECTION INSPECTION
1. Check:
•Couplers and leads connec-
tion 
Rust/dust/looseness/short-cir-
cuit 
→ Repair or replace.
STAR

Page 794 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 31
–+ELECELECTRIC STARTING SYSTEM
STARTER RELAY INSPECTION
1. Remove:
•Starter relay
2. Inspect:
•Starter relay conduct
Use 12 V battery.
Continuous while not connected to
the battery 
→ R

Page 808 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 45
–+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 836 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 6 - 73
–+ELECLIGHTING SYSTEM
AC MAGNETO INSPECTION
1. Inspect:
•Lighting coil resistance
Out of specification 
→ 
Replace.
Tester (+) lead →
 Yellow lead 1
 
Tester (–) lead →
 Ground 2
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