Operator`s manual

Trouble recovery
70
Engine runs irregu-
larly or stalls
Fuel Empty Refill as soon as pos-
sible
32
Stale or contaminat-
ed
Have serviced by
Yamaha dealer
59
Too much oil in fuel
mixing ratio
Correct fuel-to-oil ra-
tio to 50:1
31
Choke Knob is left pulled Push fully in 26
Fuel filter Clogged or water
pooled
Have serviced by
Yamaha dealer
59
Fuel tank Water or dirt present Have serviced by
Yamaha dealer
59
Spark plug Fouled or defective Replace 63
Incorrect heat range Replace 63
Gap incorrect Adjust 63
Spark plug
cap
Loose Connect properly 63
Cracked, torn or dam-
aged
Replace
—
Electrical wir-
ing
Loose electrical con-
nections
Tighten or connect
properly
—
Carburetor Incorrect idle adjust-
ment
Adjust idle
67
Clogged Have serviced by
Yamaha dealer
67
Watercraft slow or
loses power
Cavitation Jet intake clogged Clean 71
Impeller damaged or
worn
Have serviced by
Yamaha dealer
71
Engine over-
heated
Jet intake clogged Clean
71
Fuel filter Clogged Have serviced by
Yamaha dealer
59
Spark plug Fouled or defective Replace 63
Incorrect heat range Replace 63
Gap incorrect Adjust 63
Spark plug
caps
Loose Connect properly
63
Fuel Stale or contaminat-
ed
Have serviced by
Yamaha dealer
59
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2F10E0.book Page 70 Tuesday, July 31, 2007 1:45 PM