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Oil Level—Overfilled
IMPORTANT: Do not overfill the engine with oil. An overfilled crankcase can cause a fluctuation or drop in oil pressure and
rocker arm clatter, and result in a loss of engine performance.
An overfilled crankcase (oil level too high) can cause a fluctuation or drop in oil pressure, and rocker arm clatter. This condition
results in the engine crankshaft splashing and agitating the oil, causing it to foam (become aerated). The aerated oil causes the
hydraulic valve lifters to bleed down. This results in rocker arm clatter and loss of engine performance.
Care must be taken when checking the engine oil level. The oil level must be maintained between the "ADD" mark and the
"FULL" or "OK RANGE" mark on the dipstick. To avoid getting a false reading, adhere to the following procedures.
Filling
IMPORTANT: Do not overfill the engine with oil. Always use the dipstick to determine the exact quantity of oil or fluid required.
1.
Remove the 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.
All Models
Engine oil (with filter)
Changing Oil and Filter
See 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 the Specifications section).
Easy Engine Oil Drain System
NOTE: The boat must be out of water to perform this procedure.
1.
Loosen the oil filter to vent the system.
2.
Allow sufficient time for the oil to drain from the filter down into the engine block.
3.
Remove the engine oil drain hose clip from the front engine lifting eye.
4.
Remove and retain the clip from the engine oil drain hose plug.
5.
Place the oil drain hose in a suitable container.
6.
Remove the drain plug from the oil drain hose.
7.
After oil has drained completely, install the drain plug in the oil drain hose.
8.
Install the engine oil drain hose plug onto the clip.
9.
Route the engine oil drain hose as prior to removal.
90-8M0099729
NOVEMBER 2014
eng
Capacity
4.25 L
Mercury/Quicksilver 25W‑40 Synthetic Blend Engine Oil, NMMA FC‑W
(4.5 US qt)
Section 5 - Maintenance
33192
Fluid Type
Page 49
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