MAINTENANCE
70
NOTE: Oil consumption is greatly dependant on engine speed.
Consumption is highest at wide‑open‑throttle and decreases
substantially as engine speed is reduced. It is common for big
block, high‑performance engines to use up to one quart of oil in
one to five hours, if the engine is operated continuously at the
upper end of the RPM range.
1. Stop the engine.
2. Allow approximately five minutes for the oil to drain into the oil
pan. The boat must be at rest in the water or at the
approximate angle that it would be if setting in the water.
3. Remove the dipstick, wipe it clean, and re‑install it all the way
into the dipstick tube.
4. Remove the dipstick and check the oil level. The oil level must
be between the "OK RANGE" and the "ADD" marks.
5. If the oil level is below the "ADD" mark, remove the oil filler
cap (port or starboard). Add the specified oil to bring the level
up to, but not over, the "OK RANGE" mark on the dipstick.
IMPORTANT: Do not overfill the crankcase oil.
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