Operator`s manual

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