IGNITION CONTROL SYSTEM
8-19
E
–
+
ELEC
MEASURING THE PULSER COIL
OUTPUT PEAK VOLTAGE
Refer to "CHECKING THE PULSER COIL"
on page 8-14.
CHECKING THE OIL PRESSURE
SWITCH CONTINUITY
Check:
•
Oil pressure switch continuity
Out of specification
→
Replace.
Measuring steps
(1) Remove the oil pressure switch.
(2) Connect the mity vac as shown.
(3) Slowly operate the mity vac.
(4) Measure the continuity when the speci-
fied pressure is reached.
MEASURING THE ENGINE COOLING
WATER TEMPERATURE SENSOR
RESISTANCE
Measure:
•
Engine cooling water temperature
sensor resistance
Out of specification
→
Replace.
Oil pressure switch continuity pres-
sure
15.5 kPa (1.55 kgf/cm
2
, 2.25 psi)
Mity vac
YB-35956/90890-06756
Engine cooling water temperature
sensor resistance
5 °C (41°F): 25 k
Ω
Ω
Ω
Ω
20°C (68°F): 12 k
Ω
Ω
Ω
Ω
70°C (158°F): 2 k
Ω
Ω
Ω
Ω
Summary of Contents for F40BMHD
Page 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Page 128: ...CHK ADJ 3 26 GENERAL E ...
Page 129: ...3 26 CHK ADJ F D ES ...
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Page 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...