Troubleshooting; Troubleshooting Chart - Yamaha GP800Y WaveRunner GP Owner's/Operator's Manual

EJU00595
If any trouble happens on your water vehicle, use this section to check for the possible
case.
If you can not find the cause, or if the procedure for replacement or repair is not
described on this owner's manual, ask your Yamaha Water Vehicle dealer or qualified
mechanic for the proper service.
The trouble shooting chart contains "TROUBLE", "POSSIBLE CAUSE", "REMEDY",
"REFER PAGE".
Check the possible cause and remedy, and also the referred page for the maintenance
steps, to solve the trouble.
EJU00596a

TROUBLESHOOTING CHART

TROUBLE
The engine does not
start

TROUBLESHOOTING

POSSIBLE CAUSE
Starter motor does not turn over
"LOCK" mode is selected
Multifunction
meter
Lock plate is not in place
Stop switch
Burned out
Fuse
Run down
Poor terminal connections
Battery
Terminal is eroded
Faulty
Starter
component
Starter motor turns over
"OFF" position
Fuel cock
Empty
Fuel
Stale or contaminated
Water or dust collected
Fuel tank
Built-up pressure
Fouled or defective
Spark Plug
Not fitted or loose
Spark Plug cap
Filled with water
Crankcase
Clogged or water collected
Fuel filter
Knob automatically return
Choke
*1 : Turn the fuel cock to "RES (reserve)" to return to shore.
REMEDY
Select "START" mode
Install lock plate
Replace the fuse and
Check wiring
Recharge
Tighten as required
Clean
Have a service at
Yamaha dealer
Turn the fuel cock to
"ON"
Refill as soon as
possible*1
Have service at
Yamaha dealer
Have service at
Yamaha dealer
Open the fuel tank filler
cap and release pressure
Clean or Replace
Fit properly
Crank engine with plug
out until clean
Have service at
Yamaha dealer
Tighten the choke cable
tension adjust nut
5-1
E
Refer Page
2-15
2-7
4-23
4-20
4-21
—
—
2-6
3-1
4-10
4-10
2-6
4-15
4-15
5-7
4-11
4-19