TROUBLE
The engine runs irregu-
larly or stalls
Warning indicator /
symbol blinks or light
The water vehicle
speeds too slow or
loses power
POSSIBLE CAUSE
Empty
Fuel
●
Stale or contaminated
Choke
Knob is left pulled
●
Clogged or water col-
Fuel Filter
●
lected
Water or dust collected
Fuel tank
●
Fouled or defective
●
Spark plug
Incorrect heat range
Gap incorrect
Loose
Loose electrical connec-
Spark plug cap
●
tions
Cracked, torn, or damaged
Incorrect idle adjustment
●
Carburetor
Clogged
Fuel level
Empty
●
Empty
Engine oil level
●
Oil filter clogged
Jet intake clogged
●
Engine over-
Water temperature sensor
heat
is failed
●
Exhaust gas
Gas temperature is too
temperature
high
Battery voltage is too law
Low battery
●
Wrong connection of bat-
voltage
tery terminal
Jet intake clogged
Cavitation
●
Impeller damaged or worn
Engine overheat Jet intake clogged
●
Clogged
Fuel Filter
●
Fouled or defective
Spark plug
Incorrect heat range
●
Gap incorrect
Spark plug caps Loose
●
Stale or contaminated
●
Fuel
Water is accumulated in
Bilge
●
the vehicles
Refill as soon as possi-
●
ble
●
Have service at
Yamaha dealer
Push it in fully
●
●
Have service at
Yamaha dealer
Have service at
●
Yamaha dealer
●
Replace
●
Replace
Adjust
●
●
Fit properly
Tighten or connect prop-
●
erly
●
Replace
Adjust idle
●
●
Have service at
Yamaha dealer
Refill as soon as possible
●
●
Refill immediately
Clean
●
●
Clean
Have service at
●
Yamaha dealer
●
Cool down engine
Recharge
●
●
Connect property
Clean
●
●
Have service at
Yamaha dealer
Clean
●
Have service at
●
Yamaha dealer
Replace
●
Replace
●
●
Adjust
Fit properly
●
●
Have service at
Yamaha dealer
Drain bilge
●
5-2
REMEDY
Refer Page
3-1
4-9
2-8
4-10
4-10
4-14
4-14
4-14
4-14
4-21
3-1
3-2
4-11
5-3
2-15
2-16
4-20
4-20
5-3
5-3
4-10
4-14
4-14
4-14
4-14
4-10
3-5
E