Adding Engine Oil; Selection Of Marine Gear Oil; Engine Coolant - Yanmar 6SY Series Operation Manual

BEFORE YOU OPERATE

Adding Engine Oil

CAUTION
• NEVER overfill the engine with
engine oil.
• ALWAYS keep the oil level
between upper and lower lines
on the oil cap / dipstick.
1. Remove the oil fill port cap and fill with
engine oil.
2. Fill with oil to the upper limit
(Figure 5, (2)) on the dipstick
(Figure 5, (1)). Insert the dipstick fully
to check the level.
3. Tighten the fill port cap securely by
hand.

Selection of Marine Gear Oil

Refer to the instruction book for each
marine gear.
40

ENGINE COOLANT

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• NEVER remove the coolant
• Securely tighten the filler cap
• Failure to comply will result in
A
DANGER
SCALD HAZARD!
filler cap if the engine is hot.
Steam and hot engine coolant
will escape and seriously burn
you. Allow the engine to cool
sufficiently before attempting
to remove the filler cap.
after checking the coolant
level. Steam can escape during
engine operation if the cap is
loose.
death or serious injury.
6SY Operation Manual
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