128
ELECTRICAL AND IGNITION
IGNITION SYSTEM TESTS
Engine Temperature Sensor Test
Use an ohmmeter to measure resistance.
Air Temperature Sensor (AT) Test
Use an ohmmeter to measure resistance.
Ignition Coil Tests
Primary Winding Resistance Test
Connect ohmmeter between coil primary terminal
and clean engine ground.
IMPORTANT:
A reading of less than 2 ohms is
acceptable. Make sure meter is calibrated to read
1 ohm or less.
Secondary Winding Resistance Test
Connect ohmmeter between coil secondary termi-
nal and coil primary terminal.
Engine Temperature Sensor Resistance
9000 to 11000
Ω
@ 77°F (25°C)
1.
Engine temperature sensor
002288
AT Sensor Resistance
9000 to 11,000
Ω
@ 77°F (25°C)
1.
AT sensor
002287
1
1
Ignition Coil Primary Resistance
0.090 ± .005
Ω
@ 77°F (25°C)
000741
Ignition Coil Secondary Resistance
301 ± 14
Ω
@ 77°F (25°C)
00742
Summary of Contents for E-tec 75 HP
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Page 233: ...233 POWERHEAD POWERHEAD VIEWS 10 POWERHEAD VIEWS Port Short Block Starboard Short Block ...
Page 234: ...234 POWERHEAD POWERHEAD VIEWS Port Dressed Powerhead Starboard Dressed Powerhead ...
Page 235: ...235 POWERHEAD POWERHEAD VIEWS 10 Front ...
Page 236: ...236 POWERHEAD POWERHEAD VIEWS Rear ...
Page 237: ...237 POWERHEAD POWERHEAD VIEWS 10 Top ...
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