A 6.2-liter V-8 engine with unparalleled torque and acceleration to get you on plane quickly and smoothly.
5.0, 350, 377 mag mpi sterndrive ec - 5.0l mpi alpha/bravo ec: 350 mpi alpha reman - 350 mpi alpha: 357 horizon inboard reman - 357 hrz 630a bobtail rm: 5.0, 350, 377 mag mpi sterndrive ec - 377 mag mpi bravo ec: 5.7/6.2l mpi inboard ec - 6.2l mpi mie ec: 5.0, 350, 377 mag mpi sterndrive - 350 mag mpi alpha/bravo: 385 performance tuned - 385. SERVICE MANUAL Number 31. 5.0L/5.7L/6.2L MPI GASOLINE ENGINE. Printed in U.S.A. 2000, Mercury Marine 90-863161 SEPTEMBER 2000 Notice Throughout this publication, Dangers, Warnings and Cautions (accompanied by the International HAZARD Symbol ) are used to alert the mechanic to special instructions concerning a particular service or operation that may be hazardous if performed incorrectly. Mercruiser GM V8 454 cid 7.4L 502 cid 8.2L Service Manual. Service Manual Application: Gen. VI Engines Sterndrive (MCM) Models: MCM 454 Mag MPI (Serial Number 0L010029 & Up), MCM 502 Mag MPI (Serial Number 0L017000 & Up). MerCruiser 377 mag mpi apha/bravo ec service and support material parts. Buy a genuine Mercury Quicksilver or aftermarket part. OPERATION MANUAL, 377 Mag EC (1. Refer to the Specifications section. Install the fill cap to the coolant recovery bottle. Changing Contact your authorized Mercury MerCruiser dealer. Engine Coolant—350/377 MAG and SeaCore 350/377 MAG Checking CAUTION A sudden loss of pressure can cause hot coolant to boil and discharge violently resulting in serious injury from burns.
- HP / kW 350 / 261
- Maximum RPM (WOT) 5000 - 5400
- Engine type V8, 2-valve/cylinder pushrod
- Displacement (L) 6.2
- Fuel delivery system Computer controlled Multi-Port Electronic Fuel Injection (MPI)
![Mercruiser Mercruiser](https://imagehost.vendio.com/a/35092522/amzn/66_6668.jpg)
The specifications displayed here may not be indicative of the entire engine family; click on the “See All Models and Specs” link to view the specs in detail.
Rethink the V-8.
We certainly did. Everything, part by part, system by system, with a total design and engineering commitment to marine use. The result? A 6.2-liter V-8 engine with unparalleled torque and acceleration to get you on plane quickly and smoothly. A whole new sporty feel at the wheel. Significant reductions in sound and vibration at the helm. Major improvements in the cockpit environment, by design. All wrapped in the legendary reliability you’ve come to expect from Mercury.®
Owners Manuals
Need an Owner’s Manual for your Mercury engine to perform maintenance, replace parts or just learn more about your engine? Mercury has made it easy for you to purchase a printed copy or to download and print your own copy. To order a printed version of the Service Manual for your particular Mercury Outboard or MerCruiser Engine, click here.
Powerful Performer.
![377 mag mercruiser problems 377 mag mercruiser problems](https://www.michiganmotorz.com/images/Merc_377_7_site.jpg)
Power and acceleration is delivered with 6.2 liters of displacement and a long-runner scroll intake manifold that optimizes air flow for higher torque.
Repower Financing
With Mercury Repower Financing, you can easily power up everything from fishing boats, to runabouts, to cruisers with flexible financing on the engine. You can also choose to finance rigging, gauges, controls and even labor. Mercury Repower Financing offers low rates and low monthly payments to fit a boater’s budget.
Sporty Handling.
Adaptive Speed Control maintains rpm during hard turns, creating a sportier, more intuitive driving experience without needless throttle adjustments.
Quiet Ride.
An unmatched boating experience thanks to an intake resonator and aft-facing throttle body that work together to dramatically reduce noise, while directing the engine sound away from the cockpit.
Mercruiser 377 Engine
Smooth Operator.
Front and rear engine mounts isolate vibration for a smooth, quiet performance. Survce serial number.
Easy To Maintain.
Versaworks mac download. Accessible, easy-to-reach, color-coded maintenance points.
PrintCompare With Other ProductsHP / kW - 350 / 261
Maximum RPM (WOT) - 5000 - 5400
Engine type - V8, 2-valve/cylinder pushrod
Displacement (L) - 6.2
Displacement (CID/L) - 377 / 6.2
Bore and stroke - 4.0' x 3.75' / 101.6mm x 95.25mm
Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Fuel ethanol tolerance - Up to 10%
Fuel requirement - 90 RON 10% Ethanol Maximum
- Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system - Mechanical Shifting with Optional SmartCraft DTS
- Standard SmartCraft with Electronic Throttle Control
Fuel delivery system - Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Air induction - Performance-Tuned Scroll Intake Manifold
Ignition - SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt - 70 amp / 882 watt (Belt-Driven)
Water drain system - Air Actuated 'Season Extender' (Bravo)
Exhaust system - Through prop
Cooling system - Fresh water cooled available with SeaCore option
- Water-cooled with thermostat
Lubrication system - Integrated wet sump
Recommended oil - NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system - SmartCraft Engine Guardian
Dimensions (L x W x H) - 32 x 30 x 22' / 813 x 762 x 559 mm
Weight (engine only) - 862 lbs / 391 kg
Compatible drives - Bravo One
- Bravo Three
- Bravo Two
PrintCompare With Other ProductsHP / kW - 300 / 224
Maximum RPM (WOT) - 5000 - 5400
Engine type - V8, 2-valve/cylinder pushrod
Displacement (L) - 6.2
Displacement (CID/L) - 377 / 6.2
Bore and stroke - 4.0' x 3.75' / 101.6mm x 95.25mm
Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Fuel ethanol tolerance - Up to 10%
Fuel requirement - 90 RON 10% Ethanol Maximum
- Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system - Mechanical Shifting with Optional SmartCraft DTS
- Standard SmartCraft with Electronic Throttle Control
Fuel delivery system - Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Air induction - Performance-Tuned Scroll Intake Manifold
Ignition - SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt - 70 amp / 882 watt (Belt-Driven)
Water drain system - Air Actuated 'Season Extender' (Bravo)
Exhaust system - Through prop
Cooling system - Fresh water cooled available with SeaCore option
- Water-cooled with thermostat
Lubrication system - Integrated wet sump
Recommended oil - NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system - SmartCraft Engine Guardian
Dimensions (L x W x H) - 32 x 30 x 22' / 813 x 762 x 559 mm
Weight (engine only) - 862 lbs / 391 kg
Compatible drives - Bravo One
- Bravo Three
- Bravo Two
You can order all available Mercury literature online or through any authorized Mercury dealer. Please have your outboard or sterndrive serial number before placing the order.
- Operation, Maintenance, and Warranty Manuals
- Parts Manual
- Service Manual
Mercruiser 377 Mag Service Manual For Sale
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