Yamaha Waverunner 3 Manual

7-48
E
–+ELECINDICATION SYSTEM
Speedometer display
1. Check:
Speedometer display
Does not display →
 Measure the speed
sensor output voltage and pulses.
Without specification →
 Replace the
multifunction meter.
2. Measure:
Speed sensor output voltage and pulses
Out of specification →
 Repair or
replace.
Speed sensor output voltage 
(dependant on the paddle wheel 
position):
Less than 400 mV/
More than 11.6 V
Output pulse:
2 pulses/one-full turn
Measurement steps:
Apply DC 12 voltage to the white...

7-49
E
–+ELECINDICATION SYSTEM
Tachometer display
1. Check:
Tachometer display
Does not display →
 Check the engine
speed using the “Engine monitor” of the
Yamaha Diagnostic System.
Replace the multifunction meter.
Hour meter display
1. Check:
Hour meter display
Does not display →
 Replace the multi-
function meter.
Voltage meter display
1. Check:
Voltage meter display
Does not display →
 Check the battery
voltage using the “Engine monitor” of
the Yamaha Diagnostic System.
Replace the multifunction...

7-50
E
–+ELECINDICATION SYSTEM
Overheat warning indicator
1. Check:
Overheat warning indicator
Not operating →
 Replace the multifunc-
tion meter. 
Checking steps:
Disconnect the thermoswitch (engine)
connector 1
 (blue) or engine tempera-
ture sensor connector 2
 (black) or ther-
moswitch (exhaust) 3
 connector.
Connect the jumper lead to the female
terminal of the disconnected connector.
Check that the multifunction meter over-
heat warning indicator comes on and the
buzzer sounds.
Engine trouble...

7-51
E
–+ELECINDICATION SYSTEM
Diagnostic display
1. Check:
Diagnostic display
Does not display →
 Replace the multi-
function meter. 
Checking steps:
Remove the coupler of the sensor indi-
cated in the multifunction meter.
Check if “Irregular” is indicated in the
Diagnosis Record of the Yamaha Diag-
nostic System.
Start the engine and check that the
engine check warning indicator comes on
and the buzzer sounds.
Press the hour meter/voltmeter display
select switch 1
 and the speedometer
display...

E
HULL
HOOD
1
2
3
4
5
6
7
8
9
CHAPTER  8
HULL AND HOOD
HANDLEBAR .................................................................................................. 8-1
EXPLODED DIAGRAM ............................................................................. 8-1
REMOVAL AND INSTALLATION CHART ................................................ 8-1
SERVICE POINTS .................................................................................... 8-6
Handlebar inspection...

E
HULL
HOOD
FRONT HOOD ............................................................................................... 8-21
EXPLODED DIAGRAM ........................................................................... 8-21
REMOVAL AND INSTALLATION CHART .............................................. 8-21
STEERING CONSOLE COVER .................................................................... 8-25
EXPLODED DIAGRAM ........................................................................... 8-25
REMOVAL...

E
HULL
HOOD
DECK AND HULL.......................................................................................... 8-47
EXPLODED DIAGRAM ........................................................................... 8-47
REMOVAL AND INSTALLATION CHART .............................................. 8-47
ENGINE MOUNT ........................................................................................... 8-49
EXPLODED DIAGRAM ..............................................................................

8-1
E
HULL
HOODHANDLEBAR
HANDLEBAR
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
HANDLEBAR COVER REMOVAL
Follow the left “Step” for removal.
1Screw 4
2 Handlebar cover 1
3Pad 1
4Bolt 2
NOTE:
Position the corrugated tube for the throttle
cable as shown in the illustration so that the
tube attaches to the end of the outer throttle
cable. 5 Handlebar cover stay 1
6 Throttle cable 1
7Bolt 4
8 Upper handlebar holder 2
Reverse the removal steps for installation. 

8-2
E
HULL
HOODHANDLEBAR
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
HANDLEBAR REMOVAL
Follow the left “Step” for removal.
QSTS cable (to jet thrust nozzle) Refer to “REMOTE CONTROL CABLES 
AND SPEED SENSOR LEAD”.
1 Nut/washer 2/2
2 QSTS converter 1
3 QSTS cable 2 1 with white tape a
 
4 QSTS cable 1 1
5 Handlebar switch coupler 2
6 Buzzer coupler 1
7Screw 4
8 Handle boss cover 1
9 Band 2 

8-3
E
HULL
HOODHANDLEBAR
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
10 Hose packing 1
11 Buzzer 1
12 Handlebar assembly 1
NOTE:
Pass the QSTS cable and handlebar
switch lead through the handle boss
cover, and then install the handlebar
assembly.
Install the sponges of the QSTS cables as
shown and make sure that the grommet is
installed to the deck securely.
13 Grommet 2
Reverse the removal steps for installation.
Not reusable