Fuel System - Yamaha F40BMHD Wartungshandbuch

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 specific gravity is within specification.
2. There are no incorrect wiring connections.
3. Wiring connections are properly secured and are not rusty.
4. The lanyard is installed onto the engine stop 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
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TROUBLE ANALYSIS
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Check elements
Relative part

FUEL SYSTEM

Fuel hose
Fuel joint
Fuel filter
Fuel pump
Carburetor
• Idle speed
• Throttle valve synchronization
• Pilot screw
• Choke link
• Fast idle
• Dash pot
• Unloader
9-1
E
Reference
chapter
4
4
4
4
4
3
3
3
3
3
3
3