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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

You are Here: Skip Navigation LinksTech Specs > Mercruiser 8.1L Fluid Capacities Skip Navigation Links

Mercruiser 8.1L 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.
 
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
(2603)

104
(3076)

96
(2839)