E
TROUBLE ANALYSIS
TROUBLE ANALYSIS
NOTE:
Following items should be obtained before “trouble analysis”.
1. Battery is charged and its specified gravity is in specification.
2. There is no incorrect wiring connection.
3. Wiring connections are surely engaged and without any rust.
4. Lanyard is installed to the engine stop switch.
5. Shift position is in neutral.
6. Fuel is coming to the carburetor.
7. Correct rigging and engine setting are obtained.
8. Engine is free from any “Hull problem”.
TROUBLE ANALYSIS CHART
Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOOSE STEERING
HARD SHIFTING
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative part
Reference
Chapter
FUEL SYSTEM
Fuel line
4
Fuel joint
4
Fuel filter
4
Fuel pump
4
Carburetors
4
• Idle speed adjustment
3
• Carburetor synchronization
3
• Pilot screw adjustment
3
Link adjustment
3
POWER UNIT
Compression
5
Reed valves
5
Cylinder head gaskets
5
Seal
5
Cylinder body
5
Pistons
5
Piston rings
5
Crankcase
5
Crankshaft
5
Bearing
5
Thermostat
5
Water passage
5
LOWER UNIT
Neutral position
6
9-1
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