Yamaha MBK MW125 2014 Service Manual page 301

8. Check the sidestand switch.
Refer to "CHECKING THE
SWITCHES" on page 8-55.
OK ↓
9. Check the lean angle sensor.
Refer to "CHECKING THE LEAN
ANGLE SENSOR" on page 8-65.
OK ↓
10.Check the entire ignition system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-1.
OK ↓
Replace the ECU. Refer to "REPLAC-
ING THE ECU (engine control unit)"
on page 8-59.
NG →
Replace the sidestand switch.
NG →
Replace the lean angle sensor.
NG →
Properly connect or replace the wire har-
ness.
8-4
IGNITION SYSTEM