Yanmar 1GM10 Operation Manual page 68

TROUBLESHOOTING
Symptom
Starting Failures:
Starter turns but engine
does not start.
Starter does not turn or
turns slowly (engine can
be turned manually).
Engine cannot be turned
manually.
62
Probable Cause
No fuel
Fuel filter is clogged.
Improper fuel
Problem with fuel injection
Compression leakage from
intake / exhaust valve
Faulty clutch position
Insufficient battery charge
Cable terminal contact failure
Faulty safety switch device
Faulty starter switch
Power lacking because
accessory drive is engaged
Internal parts seized
© 2007 Yanmar Marine International
Measure
Add fuel. Bleed fuel
system. Ensure that fuel
shut-off valve is open.
Replace filter element.
Replace with
recommended fuel.
See your authorized
Yanmar Marine dealer or
distributor.
See your authorized
Yanmar Marine dealer or
distributor.
Shift to NEUTRAL and
start.
Check fluid level.
Recharge. Replace.
Remove corrosion from
terminals. Tighten
battery cables.
See your authorized
Yanmar Marine dealer or
distributor.
See your authorized
Yanmar Marine dealer or
distributor.
See your authorized
Yanmar Marine dealer or
distributor.
See your authorized
Yanmar Marine dealer or
distributor.
GM Series Operation Manual
Reference
See Filling the
Fuel Tank on
page 22.
See Replacing
the Fuel Filter
Element on page
55.
See Diesel Fuel
Specifications on
page 19.
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See Restarting
After Starting
Failure on page
34.
See Inspecting
the Battery
Electrolyte Level
(Serviceable
Batteries Only)
on page 53.
See Inspecting
the Battery
Electrolyte Level
(Serviceable
Batteries Only)
on page 53.
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