2007 YAMAHA WR 250F charging

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Page 24 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) CHAPTER 7
ELECTRICAL
ELECTRICAL COMPONENTS 
AND WIRING DIAGRAM............  7-1
IGNITION SYSTEM....................  7-5
ELECTRIC STARTING 
SYSTEM...................................  7-19
CHARGING SYS

Page 110 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) MAINTENANCE SPECIFICATIONS
2 - 17
SPEC
EC212300
ELECTRICAL
Item Standard Limit
Ignition system:
Advancer type Electrical ----
CDI:
Pickup coil resistance (color) 248 ~ 372 Ω at 20°C (68 °F) 
(Whit

Page 336 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 125
INSP
ADJ
BATTERY INSPECTION AND 
CHARGING
WARNING
Batteries generate explosive
hydrogen gas and contain electro-
lyte which is made of poisonous
and highly caustic sulfuric acid. 
Therefore, a

Page 338 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 127
INSP
ADJ
1. Remove: 
Seat
2. Disconnect: 
Battery leads
(from the battery terminals)
CAUTION:
First, disconnect the negative bat-
tery lead 1, and then the positive
battery lead 2.
3. Remove

Page 340 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 129
INSP
ADJ
5. Charge:
Battery
(refer to the appropriate charg-
ing method illustration)
WARNING
Do not quick charge a battery. 
CAUTION:
Never remove the MF battery
sealing caps. 
Do not use

Page 342 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 131
INSP
ADJ
ELECTRICAL
Charging method using a variable voltage charger
Connect a charger and
ammeter to the battery
and start charging.
Is the amperage higher
than the standard charg-
ing ampera

Page 343 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 132
INSP
ADJ
ELECTRICAL
Charging method using a constant voltage charger
Measure the open-circuit
voltage prior to charging.
Connect a charger and
ammeter to the battery
and start charging.
NO
YES

Page 606 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 5 - 199
ENGAC MAGNETO AND STARTER CLUTCH
2. Install:
Holder 
1 
Bolt 
2 
CAUTION:
Pass the pickup coil lead and
charging coil lead under the
holder while taking care not to
allow these leads to get
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