charging YAMAHA WR 250F 2003 Manuale duso (in Italian)

YAMAHA WR 250F 2003 Manuale duso (in Italian) WR 250F 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52337/w960_52337-0.png YAMAHA WR 250F 2003 Manuale duso (in Italian)

Page 24 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) CHAPTER 6
ELECTRICAL
ELECTRICAL COMPONENTS 
AND WIRING DIAGRAM............. 6-1
MAP-CONTROLLED CDI UNIT.. 6-3
IGNITION SYSTEM..................... 6-8
ELECTRIC STARTING 
SYSTEM........................

Page 96 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 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 302 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 111
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 304 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 113
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 306 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 115
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 308 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 117
INSP
ADJ
ELECTRICAL
Charging method using a variable voltage charger

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YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 118
INSP
ADJ
ELECTRICAL
Charging method using a constant voltage charger

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YAMAHA WR 250F 2003  Manuale duso (in Italian) 4 - 197
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

Page 716 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 5 - 139
CHASREAR SHOCK ABSORBER
EC580000
REAR SHOCK ABSORBER
Extent of removal:
1 Rear shock absorber removal
2 Rear shock absorber disassembly
Extent of removal Order Part name Q’ty Remarks
REAR SH

Page 741 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 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
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