Yanmar 1GM10 Operation Manual page 75

12/05
Symptom
Abnormal Exhaust Color:
• Black smoke
• White smoke
GM Series Operation Manual
Probable Cause
Engine is overloaded.
Improper propeller
matching
Dirty intake silencer (air
cleaner)
Improper fuel
Faulty spraying of fuel
injector
Incorrect intake / exhaust
valve clearance
Improper fuel
Faulty spraying of fuel
injector
Fuel injection timing off
Engine burning oil
(excessive consumption)
TROUBLESHOOTING
Measure
Consult authorized Yanmar
Marine dealer or distributor.
Consult authorized Yanmar
Marine dealer or distributor.
Clean element.
Replace with recommended
fuel.
Consult authorized Yanmar
Marine dealer or distributor.
Consult authorized Yanmar
Marine dealer or distributor.
Replace with recommended
fuel.
Consult authorized Yanmar
Marine dealer or distributor.
Consult authorized Yanmar
Marine dealer or distributor.
Consult authorized Yanmar
Marine dealer or distributor.
Reference
—
—
See Cleaning the
Intake Silencer (Air
Cleaner) on
page 62.
See Diesel Fuel
Specifications on
page 26.
—
—
See Diesel Fuel
Specifications on
page 26.
—
—
—
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