Yamaha e60hwd, Service Manual

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9-1 69D5G11
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Troubleshooting
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 for continuity
(with clip installed).
Check the condition of the spark
plugs.
Check the ignition spark using
the spark gap tester.
Replace the engine stop lanyard
switch.
Is there correct?
(continued on following page)
Yes
Yes
No
Clean and replace as required.
No
Check the spark plug wires or caps
for deterioration and damage.
No
Yes
Are they in
good condition?
Is a good spark
being produced?
Measure the ignition coil
resistance.
Replace the ignition coil or caps
as necessary.
Yes
Replace the ignition coil.
No
No
Is resistance
within
specification?
Is there any
deterioration or
damage?
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.
(Refer to page 8-13)
(Refer to page 3-3)
(Refer to page 8-9)
(Refer to page 8-9)
(Refer to page 8-9)
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