Yamaha MTN850-A 2017 Service Manual page 16

Resetting the traction control system
The traction control system will automatically disable when:
• the front wheel or rear wheel comes off the ground while riding.
• excessive rear wheel spin is detected while riding.
• either wheel is rotated with the key turned to "ON" (such as when performing maintenance).
If the traction control system is disabled, both the " " indicator light and the "
on.
Should this occur, try resetting the system as follows.
1. Stop the vehicle and turn the key to "OFF".
2. Wait a few seconds and then turn key back to "ON".
3. The " " indicator light should turn off and the system be enabled.
4. Check the vehicle and turn off the "
TIP
If the " " indicator light or the "
tem (Refer to "FUEL INJECTION SYSTEM" on page 8-33).
Quick shift system
The quick shift system (QS) allows for full-throttle, clutch lever-less, electronically-assisted upshifts.
When the shift switch detects motion in the shift pedal, engine power and drive torque are momentarily
adjusted to allow the upshift to occur.
TIP
• The quick shift system operates when traveling at least 20 km/h (12 mi/h) with an engine speed of
2300 r/min or higher, and only when accelerating.
• It does not operate when the clutch lever is pulled.
" warning light.
" warning light remains on after resetting, check the fuel injection sys-
1-7
FEATURES
" warning light will come