Pickup Coil; Thermoswitch - Yamaha WaveRunner VX 700 Service Manual

Pickup coil

Pickup coil output peak voltage
1. Measure the pickup coil output peak volt-
age.
2. Measure the pickup coil resistance if
below specification.
B
W/R
B
Pickup coil output peak voltage:
White/Red (W/R) – Black (B)
Unloaded
r/min
Cranking
V 5.2 5.1
TIP:
• To crank the engine, connect the engine
shut-off cord to the engine shut-off switch,
and then push the engine start switch and
engine stop switch simultaneously.
• If measuring the pickup coil output peak
voltage under the
"Unloaded" conditions,
pickup coil terminals.
Pickup coil resistance
1. Measure the pickup coil resistance.
2. Replace the pickup coil if out of specifica-
tion.
W/R
B
Loaded
1500 3500
14.1 29.3
"Cranking" and
disconnect the
Pickup coil resistance at 20 °C (68 °F)
(reference data):
White/Red (W/R) – Black (B)
12.6–15.4 Ω

Thermoswitch

1. Suspend the thermoswitch in a container
filled with water, and then slowly heat the
water.
d
d
a
È
c
É
2. Check the thermoswitch for continuity
when the specified temperatures are
reached.
3. Replace if out of specification.
Thermoswitch (engine) continuity
temperature:
a: 77–83 °C (171–181 °F)
b: 63–77 °C (145–171 °F)
c No continuity
d Continuity
È Temperature
É Time
Ignition system
1
2
3
4
d
5
b
c
6
7
8
9
A
7-8