Yanmar 2YM15 Operation Manual page 74

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
68
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 due to accessory
drive being engaged.
Internal parts seized.
© 2007 Yanmar Marine International
Measure
Add fuel. Bleed fuel
system.
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 or replace
battery.
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.
YM Series Operation Manual
Reference
See Filling the
Fuel Tank on
page 24 and See
Bleeding the
Fuel System on
page 25
See Replacing
the Fuel Filter
Element on page
60
See Diesel Fuel
Specifications on
page 21
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See Restarting
After Starting
Failure on page
37
See Checking
the Battery
Electrolyte Level
(Serviceable
Batteries Only)
on page 57
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