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SHTG
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NOTE:
9 To diagnose a mechanical malfunction, use the troubleshooting charts pertaining to the trouble
located in this chapter. Also, when checking and maintaining the outboard motor, see Chapters
4–8 for safe maintenance procedures.
9 Check that all electrical connections are tight and free from corrosion.
Power unit
Symptom: Manual starter turns and or starter motor operate but engine will not
start.
9 Check the ignition system, fuel system, and the compression pressure as listed below.
9 Be sure the air vent screw on the fuel tank is open.
Ignition system
Check the engine stop lanyard
switch and or engine stop button
for continuity (with clip installed).
Is there correct?
Yes
Check the condition of the spark
plugs.
Are they in
good condition?
Yes
Check the ignition spark using
the spark gap tester.
Is a good spark
being produced?
Yes
(continued on following page)
9-1
Troubleshooting
No
Replace the engine stop lanyard
switch and or engine stop button.
No
Clean and replace as required.
No
Check the spark plug wires or caps
for deterioration and damage.
Measure the ignition coil
resistance.
Is there any
Yes
deterioration or
damage?
No
Is resistance
No
within
specification?
Yes
w
9 Do not touch any of the con-
nections of the spark gap
tester leads.
9 Do not let sparks leak out of
the removed spark plug
caps.
9 Keep flammable gas or liq-
uids away, since this test
can produce sparks.
Replace the ignition coil or caps
as necessary.
Replace the ignition coil.
6H95G11
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