Yamaha VT700F Service Manual page 442

TROUBLESHOOTING
1. Connect:
•
Pocket tester
(to the battery terminals)
2. Measure:
•
Battery voltage
•
Fluid gravity
Battery voltage:
more than 12 V at 20°C (68°F)
3. Start the engine and accelerate to 5,000
r/min.
4. Measure:
•
Charging voltage
Charging voltage:
14 V/5,000 r/min
WARNING
Be sure the V-belt is removed.
CAUTION:
Never disconnect battery cables while generator
is operating, otherwise, the rectifier/regulator will
be damaged.
Correct connector.
CHARGING SYSTEM (VX700DX/VT700)
BATTERY IS NOT CHARGED.
OK
SCH8160
OK
8-17
OUT OF SPECIFICATIONS
•
Check the battery.
Refer to "BATTERY INSPECTION" in CHAPTER 2.
•
Replace and/or charge the battery.
Refer to "BATTERY CHARGING" in CHAPTER 2.
OUT OF SPECIFICATION
•
Check the main fuse.
Refer to "FUSE INSPECTION" in CHAPTER 2.
•
Check the startor coil.
OK
Replace the main fuse, rectifier/regulator
and/or the startor coil assembly.
Replace the rectifier/regulator.
– +
ELEC
FAULTY