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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

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Engine Specifications


(5.0L V-8 Models)

 

 

 

 

 

Models

5.0L

5.0L EFI

Propshaft Horsepower

2201

2401

Propshaft Kilowatts

1641

1791

Displacement

305 cid (5.0 l)

Maximum rpm @ WOT3

4400-4800 rpm

Idle rpm in NEUTRAL3

650 rpm5

600 rpm6

Oil Pressure @ 2000 rpm

30-60 psi (207-414 kPa)

Min. Oil Pressure @ Idle

4 psi (28 kPa)

Thermostat

160o F (71o C)

Timing @ Idle rpm4

10o BTDC

8o BTDC

Firing Order

1-8-4-3-6-5-7-2

Electrical System

12-Volt Negative (-) Ground

Alternator Rating – Hot

Operating Amps

65 Amps

Alternator Rating – Cold

Operating Amps

72 Amps

Recommended Battery

Rating (Minimum)

375 cca/475

mca/90 Ah

550 cca/700

mca/120 Ah


1
Power Rated in Accordance with NMMA (National Marine Manufacturers’ Association) rating procedures. 
2 Power Rated in Accordance with SAV 1 rating procedures. Horsepower differences shown result from differences in test rpm, allowable test tolerances, and/or installation of special kit components. 
3 Measured using an accurate service tachometer with engine at normal operating temperature. 
4 A special procedure must be followed to check or adjust timing. Consult your Authorized mercury MerCruiser Dealer before attempting this procedure. 
5 A special procedure must be followed to adjust idle rpm. Consult your Authorized Mercury MerCruiser Dealer before attempting this procedure.