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5-3
E
Watercraft slow or
loses power
Cavitation Jet intake clogged Clean 5-4
Impeller damaged or
worn
Have serviced by
Yamaha dealer
—
Engine over-
heated
Jet intake clogged Clean
5-4
Fuel filter Clogged Have serviced by
Yamaha dealer
4-11
Spark plug Fouled or defective Replace 4-15
Incorrect heat range Replace 4-15
Gap incorrect Adjust 4-15
Spark plug
caps
Loose Connect properly
4-15
Electrical wir-
ing
Loose connection Tighten or connect
properly
—
Fuel Stale or contaminated Have serviced by
Yamaha dealer
4-10
Bilge Water in bilge Drain 3-7
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF0V12.book Page 3 Friday, June 21, 2002 2:23 PM