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Yamaha SUPERJET 700 2003 Owner's/Operator's Manual page 97

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TROUBLE
Engine runs irregu-
larly or stalls
Watercraft slow or
loses power
POSSIBLE CAUSE
Fuel
Empty
Stale or contaminated
Too much oil in fuel
mixing ratio
Choke
Knob is left pulled
Fuel filter
Clogged or water
pooled
Fuel tank
Water or dirt present
Spark plug
Fouled or defective
Incorrect heat range
Gap incorrect
Spark plug cap Loose
Cracked, torn or dam-
aged
Electrical wir-
Loose electrical con-
ing
nections
Carburetor
Incorrect idle adjust-
ment
Clogged
Cavitation
Jet intake clogged
Impeller damaged or
worn
Engine over-
Jet intake clogged
heated
Fuel filter
Clogged
Spark plug
Fouled or defective
Incorrect heat range
Gap incorrect
Spark plug
Loose
caps
Fuel
Stale or contaminated
REMEDY
Refill as soon as possi-
ble
Have serviced by
Yamaha dealer
Correct fuel-to-oil ratio
to 50:1
Push fully in
Have serviced by
Yamaha dealer
Have serviced by
Yamaha dealer
Replace
Replace
Adjust
Connect properly
Replace
Tighten or connect
properly
Adjust idle
Have serviced by
Yamaha dealer
Clean
Have serviced by
Yamaha dealer
Clean
Have serviced by
Yamaha dealer
Replace
Replace
Adjust
Connect properly
Have serviced by
Yamaha dealer
5-2
E
PAGE
3-4
4-10
3-3
2-6
4-11
4-11
4-13
4-13
4-13
4-13
4-13
4-19
4-19
5-3
5-3
5-3
4-11
4-13
4-13
4-13
4-13
4-10

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2003 superjet 700