78
Engine Overheats
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
Monitoring beeper
continuously sounds.
• Clogged jet pump water
intake.
• Clean.
• Incorrect type of fuel or
oil.
• Siphon and refill.
• Clogged coolant system.
• Flush cooling system
with garden hose.
Engine Continually Backfires
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
• Faulty RPM limiter.
• Refer to an authorized
dealer.
Weak spark.
• Fouled, worn spark plugs.
• Replace.
Overheated engine.
• See
Engine Overheats
.
Engine Pinging or Knocking
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
• Poor quality gasoline/low
octane.
• Use well known quality
and recommended
gasoline.
• Spark plug heat range too
high.
• Use recommended spark
plugs.
Engine Lacks Acceleration or Power
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
• Weak spark/incorrect fuel
mixture.
• Refer to ENGINE
MISFIRES.
• Water in fuel or injection
oil.
• Siphon and replace.
Overheated engine.
• See
Engine Overheats
.
Sport Boat can not Reach Top Speed
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
• Jet pump water intakes
clogged.
• Clean.
• Damaged impeller(s).
• Replace. Refer to an
authorized dealer.
Abnormal Noise from Propulsion System
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
• Weeds or debris jammed
around impeller(s).
• Clean and check for
damage.
• Damaged impeller
shaft(s) or drive shaft(s).
• Refer to an authorized
dealer.
lmo2002_003a.book Page 78 Wednesday, November 14, 2001 2:39 PM
