Troubleshooting - Yamaha RS90GTZ Service Manual

TROUBLESHOOTING

1. Connect:
• Analog pocket tester (pocket tester)
(to the battery terminals)
2. Measure:
• Battery voltage
Battery voltage:
More than 12 V at 20 °C (68 °F)
3. Start the engine and accelerate to 5,000 r/
min.
TIP
Place the snowmobile onto a suitable stand to
raise the track off of the ground.
4. Measure:
• Charging voltage
Charging voltage:
14 V/5,000 r/min
NOTICE
Never disconnect the battery leads while
the generator is operating; otherwise, the
rectifier/regulator will be damaged.
*
CHARGING SYSTEM
BATTERY IS NOT CHARGED.
OK
OK
8-24
• Check the battery.
• Replace or charge the battery.
Refer to "BATTERY INSPECTION" in
CHAPTER 2.
• Check the main fuse.
Refer to "FUSE INSPECTION" in CHAP-
TER 2.
• Check the stator coil.
OK
Replace the main fuse and/or the
stator coil.
Replace the rectifier/regulator.
ELEC
OUT OF
SPECIFICATION
OUT OF
SPECIFICATION
FAULTY