Yamaha WaveRunner XL1200Ltd Service Manual page 241

TRBL
ANLS
TROUBLE-ANALYSIS
NOTE:
The following items should be checked before the "Trouble-analysis" chart is consulted.
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 not rusty.
4. The lock plate is attached to the engine stop lanyard switch.
5. Fuel is reaching the carburetors.
TROUBLE-ANALYSIS CHART
Problems
TROUBLE-ANALYSIS
Items to be checked
Items
FUEL SYSTEM
Fuel tank
Air vent hose
Fuel hose
Fuel filter
Fuel pump
Carburetors
Carburetor synchronization
Trolling speed
POWER UNIT
Spark plug(s)
Compression
Reed valves
Cylinder head gasket
Piston rings
Cylinder block
Seals
Crankcase
Pistons
Bearings
Bearing housing
Couplings
9-1
E
Reference
chapter
4
4
4
4
4
4
4
3
3
5
5
5
5
5
5
5
5
5
5
5