Mercruiser 8.1L Marine Engine Fluid Capacities
| NOTICE |
| Engine Measurements: U.S. Quarts (Liters)
Sterndrive Measurements: U.S. Fluid Ounces (Milliliters) All capacities are approximate fluid measures. |
| Engine Model | 496 cid / 8.1 l |
| Crankcase Oil1 (With Filter)1 |
 9 (8.5) |
| Seawater Cooling System2 |
 19 (18) |
| Closed Cooling System |
 20 (19) |
1 Always use dipstick to determine exact quantity of oil or fluid required.
2 Seawater Cooling System capacity information is for winterization use only.
2 Seawater Cooling System capacity information is for winterization use only.
IMPORTANT: It may be necessary to adjust oil levels depending on installation angle and cooling systems (heat exchanger and fluid lines).
| Sterndrive Model |
Bravo One |
BravoTwo |
Bravo Three |
| Drive Unit Oil Capacity (With Gear Lube Monitor) |
88 |
104 |
96 |