Yamaha SX150C Service Manual page 320

TRBL
ANLS
TROUBLE ANALYSIS
NOTE:
The following items should be checked before the "TROUBLE ANALYSIS CHART" is con-
sulted.
1. The battery is charged and its specified gravity is within specification.
2. There are no incorrect wiring connections.
3. Wiring connections are properly secured and are not rusty.
4. The engine stop lanyard is installed onto the engine stop lanyard switch.
5. The shift position is in neutral.
6. Fuel is reaching the carburetor/vapor separator.
7. The rigging and engine setting are correct.
8. The engine is free from any "Hull problem".
TROUBLE ANALYSIS CHART
Trouble mode
TROUBLE ANALYSIS
Check elements
Relative part
FUEL SYSTEM
Low-pressure fuel line
• Fuel line
• Fuel filter
• Fuel pump
High-pressure fuel line
• Vapor separator
• High-pressure fuel pump
• High-pressure fuel line
• Fuel injectors
Link adjustment
POWER UNIT
Compression
Reed valves
Cylinder head gaskets
Seal
Cylinder block
Crankcase
Piston rings
9-1
E
9
9
Reference
chapter
3
3
4
4
4
3
4
3
3
5
5
5
5
5
5