Mercury MERCRUISER - Filling; Changing Oil and Filter; Engine Oil Drain Pump; Section 5 - Maintenance

Section 5 - Maintenance
Page 64 90-864197076 NOVEMBER 2008
Filling
IMPORTANT: Do not overfill the engine with oil.
IMPORTANT: Always use the dipstick to determine the exact quantity of oil or fluid required.
1. Remove oil fill cap.
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Oil fill cap
2. Add the specified engine oil to bring the level up to, but not over, the full or OK range mark on the dipstick. Recheck oil level.
3. Replace the fill cap.
Engine Model Engine Oil Capacity Fluid type
All Models 4.25 L (4.50 US qt) Mercury MerCruiser Full‑Synthetic Engine Oil, 20W‑40
Changing Oil and Filter
Refer to the Maintenance schedule for the change interval. Engine oil should be changed before placing the boat in storage.
IMPORTANT: Change engine oil when the engine is warm from operation. Warm oil flows more freely, carrying away more
impurities. Use only recommended engine oil (refer to Specifications).
Engine Oil Drain Pump
1. Loosen the oil filter to vent the system.
2. Remove the dipstick.
3. Install the oil pump onto the dipstick tube.
a - Typical oil pump
b - Dipstick tube
c - Oil drain hose
4. Insert the hose end of the crankcase oil pump onto an appropriate container and, using the handle, pump until the crankcase
is empty.
5. Remove the pump.
6. Install the dipstick.
mc70571-1
a
c
b