2005 Mercruiser 4.3L V6 Engine

FOR SALE 2005 Mercruiser 4.3L V6 Engine. It comes with everything needed to drop in minus the exhaust manifolds. Engine has around 200hrs on it.

The 2005 MerCruiser 4.3L V6 is a marine-adapted General Motors (GM) Vortec engine available in carbureted (190 HP) and Multi-Point Fuel Injection (MPI) (220 HP) variants. It is known for its durability and relatively high torque for its size.

General Specifications

• Engine Type : GM Marine V-6Displacement4.3L / 262 CID
• Horsepower (Propshaft) : 190 HP (Carbureted/TKS)
• Wide Open Throttle (WOT) RPM : 4400 – 4800 RPM
• Bore x Stroke : 4.00″ x 3.48″ (101.6 mm x 88.4 mm)
• Compression Ratio : 9.4:1
• Weight : ~784 lbs (356 kg) (Engine only)

Operational & Mechanical Specs

• Firing Order: 1-6-5-4-3-2
• Idle RPM: ~650 RPM in neutral
• Oil Pressure: 30–70 psi @ 2000 RPM
• Thermostat Rating: 160°F (71°C)
• Fuel Requirements : 95 RON (Premium) unleaded recommended, or 87 AKI / 91 RON minimum. Up to 10% ethanol tolerance.
• Recommended Engine Oil : Mercury MerCruiser Synthetic Blend 25W-40 (NMMA Certified FC-W)

Electrical System

• System : 12-Volt Negative (-) Ground
• Alternator Output : 65 Amps / 917 Watts
• Recommended Battery : 550 CCA (Cold Cranking Amps) or 675 MCA (Marine Cranking Amps) minimum