Westerbeke 4KW-7.7KW-11KW-12 5KW Operator's Manual page 12

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Wh
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le eng i ne is ·cold ••••••.••..••.••••.•• Wh i te smoke
When the engine grows warm . . . . . . . . . . . . • . . Almost smokeless
When the engine is overloaded ........•..• Some black smoke
Check for abnormal noise such as knocking, friction or leakinl
sounds, and vibration and blow-back sounds.
Check for leaks of fuel and engine oil.
A knocking sound is heard
acceleration and at idle.
in other cases.
while the engine is cold, during quicl
Confirm that no knocking sound is hear(
7.7 K!;
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