Mercury Mercruiser Marine Engines GM V6 262 CID (4.3L) 1998- Factory Service Repair Manual + Wirings

Mercury Mercruiser Marine Engines GM V6 262 CID (4.3L) 1998- Factory Service Repair Manual + Wirings

Loaded with illustrations, instructions, photos, and diagrams, complete to service and repair your Mercury. 

790  Pages

MODEL YEAR:

1998-

MODELS COVER:

GM V6 –

262 CID (4.3L)           SN: 0L125850 –

262 CID (4.3H)           SN: 0L110850 –

262 CID (4.3L EFI)     SN 0L110850 – 0M299999

MANUAL COVERS:

Section 1 – Important Information

A – General Information

B – Maintenance

C – Troubleshooting

Section 2 – Removal and Installation

A – MCM Models

Section 3 – Engine

A – 262 CID 4.3L Engines

Section 4 – Electrical Systems

A – Starting System

B – Ignition System

C – Charging System

D – Instrumentation

E – Wiring Diagrams

Section 5 – Fuel Systems

A – Fuel Delivery System For Carbureted Engines

B – Mercarb  2 Barrel Carburetor

C – Weber 4 Barrel Carburetor

D – SAV1 Emission Fuel System With Weber Carburetor

E – Fuel Delivery System For Electronic Fuel Injection

F – Fuel Injection Descriptions And System Operation

G – Fuel Injection Disassembly And Reassembly

H – Fuel Injection System Troubleshooting

I – Diagnostics

Section 6 – Cooling System

A – Seawater Cooled Models

B – Closed Cooled Models

Section 7 – Exhaust System

A – General

B – Manifold, Elbows, Risers

C – Collectors

Section 8 – Drives

A – Drive Shaft Models

Section 9 – Power Steering

A – Pump

This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

 Language: English 
Format: PDF

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8 ETC.) 

Windows/Mac/Tablet/Phone Friendly

• 1998–2015: MerCruiser used the GM 4.3L Vortec V6 engine, which featured an 8-bolt intake manifold, a roller camshaft and lifters, and a one-piece rear main seal.
  • Horsepower: Horsepower ratings varied with the fuel system and year, but models from this era produced around 190–225 hp.
  • Fuel system: Multiple options were available:
    • Carbureted (2 BBL): Found on earlier models, using a standard two-barrel carburetor.
    • MPI (Multi-Port Injection): Offered from 1998 onwards, MPI provided more precise fuel delivery, leading to better performance and efficiency.
    • TKS (Turn Key Start): This carbureted system simplified starting by eliminating the need for a choke, especially on earlier models.
• 2016 onward: The 4.3L MPI engine was updated to offer higher performance and improved efficiency.
  • Horsepower: Later MPI models were rated at up to 250 hp.
  • Features: In 2016, MerCruiser introduced a more modern, compact 4.5L V6 engine, but the 4.3L MPI continued to be offered for some time. 

• Alpha One Gen II: This drive is the standard pairing for the 4.3L engine, especially on runabouts and small cruisers. It is rated for gas engines up to 300 hp.
• Bravo: For heavier vessels like larger runabouts or cruisers, a heavier-duty Bravo sterndrive (typically a Bravo Two or Bravo Three) is used. The Bravo drive offers a larger gearcase and counter-rotating dual propellers (on the Bravo Three) for better thrust and handling. 

• Sport boats and runabouts: Small and mid-sized boats like a Bayliner 195 or Sea Ray 210 Sundeck are often powered by a 4.3L engine with an Alpha drive.
• Cruisers: Larger cruisers and houseboats typically use a 4.3L with a Bravo Two or Bravo Three drive for the added thrust and strength needed to move the heavier hull.
• Twin-engine setups: Twin 4.3L MPI engines can be used in larger vessels, providing excellent power and a relatively lighter engine package compared to bigger V8s