Honda BF40D Manual page 62

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PRE-OPERATION CHECKS
When the engine oil is contaminated
or discolored, replace with the fresh
engine oil (see page 132 for
replacement interval and procedure).
4. Install the engine cover and lock it
securely.
Do not overfill the engine oil.
Check the engine oil after refilling.
Excessive engine oil as well as the
insufficient oil could cause damage
to the engine.
62
When you check the oil level with the dipstick, you might notice the engine oil
appears milky or the oil level has increased. If you notice either condition,
change the engine oil. See the following table for an explanation of these
conditions.
Operating Method
Running the engine below • Water condenses in the
3,000 rpm for more than engine and mixes with the
30% of the time so the oil, resulting in a milky
engine does not warm up. appearance.
Frequent starting and • Unburned fuel mixes with
stopping without allowing the oil, increasing the
the engine to warm up. volume of oil.
Result Effect
The engine oil deteriorates,
becomes less efficient as a
lubricant, and causes an
engine malfunction.