Yamaha GP1300R WaveRunner 2003 Owner's/Operator's Manual page 110

TROUBLE
Watercraft slow or
loses power
POSSIBLE CAUSE
Cavitation Jet intake clogged
Impeller damaged or
worn
Engine Jet intake clogged
overheated
Spark plug Fouled or defective
Incorrect heat range
Gap incorrect
Spark plug Loose
caps
Electrical Loose connection
wiring
Fuel Stale or contaminated
Bilge Water in bilge
Clean
Have serviced by
Yamaha dealer
Clean
Replace
Replace
Adjust
Connect properly
Tighten or connect
properly
Have serviced by
Yamaha dealer
Drain
5-3
REMEDY PAGE
4-14
4-14
4-14
4-14
4-10
E
5-4
—
5-4
—
3-8