Troubleshooting - Yamaha N MAX GPD150-A 2015 Service Manual

EAS30492

TROUBLESHOOTING

The ignition system fails to operate (no spark or intermittent spark).
TIP
• Before troubleshooting, remove the following part(s):
1. Battery cover
2. Front side covers
3. Fuel tank cover
4. Storage box
5. Footrest board assemblies
6. Front cowling assembly
1. Check the fuse.
(Main 1)
Refer to "CHECKING THE FUS-
ES" on page 8-99.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-99.
OK ↓
3. Check the spark plug.
Refer to "CHECKING THE SPARK
PLUG" on page 3-4.
OK ↓
4. Check the ignition spark gap.
Refer to "CHECKING THE IGNI-
TION SPARK GAP" on page 8-105.
NG ↓
5. Check the spark plug cap.
Refer to "CHECKING THE SPARK
PLUG CAP" on page 8-104.
OK ↓
6. Check the ignition coil.
Refer to "CHECKING THE IGNI-
TION COIL" on page 8-104.
OK ↓
7. Check the crankshaft position sen-
sor.
Refer to "CHECKING THE CRANK-
SHAFT POSITION SENSOR" on
page 8-105.
OK ↓
NG →
Replace the fuse.
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Re-gap or replace the spark plug.
OK →
Ignition system is OK.
NG →
Replace the spark plug cap.
NG →
Replace the ignition coil.
NG →
Replace the stator coil assembly.
8-3
IGNITION SYSTEM