Yamaha GP760Y WaveRunner GP Owner's/Operator's Manual page 106

TROUBLE
The engine runs
irregularly or stalls
Warning indicator /
symbol blinks
The water vehicle
speeds too slow or
loses power
POSSIBLE CAUSE
Empty
Fuel
Stale or contaminated
Choke
Knob is left pulled
Clogged or water collected
Fuel Filter
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
Empty
Fuel level
Empty
Engine oil level
Oil filter clogged
Jet intake clogged*2
Engine overheat
Battery voltage is too low
Low battery
voltage
Wrong connection of battery
terminal
Jet intake clogged
Cavitation
Impeller damaged or worn
Engine overheat
Jet intake clogged*2
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 the
Bilge
vehicle
*1 : Turn the fuel cock to "RES (reserve)" to return to shore.
*2 : Engine speed will be limited to 3,000 r/min by the overheat warning device.
REMEDY
Refill as soon as possible
*1
Have a 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
properly
Replace
Adjust idle
Have service at
Yamaha dealer
Refill as soon as possible
*1
Refill immediately
Clean
Clean
Recharge
Connect properly
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
E
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