Yamaha 2009 YZF-R1 (Y) Service Manual page 403

8. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK↓
9. Check the engine stop switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK↓
10.Check the gear position sensor.
Refer to "CHECKING THE GEAR
POSITION SENSOR" on page 8-
143.
OK↓
11.Check the sidestand switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK↓
12.Check the clutch switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK↓
13.Check the start switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK↓
14.Check the entire starting system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-7.
OK↓
The starting system circuit is OK.
ELECTRIC STARTING SYSTEM
NG→
Replace the main switch/immobilizer
unit.
NG→
Replace the right handlebar switch.
NG→
Replace the gear position sensor.
NG→
Replace the sidestand switch.
NG→
Replace the clutch switch.
NG→
Replace the right handlebar switch.
NG→
Properly connect or repair the starting
system's wiring
8-12