Mercury® MerCruiser®: 4.3L

HP / kW 220 / 164

Maximum RPM (WOT) 4400 – 4800

Engine type V-6

Displacement (L) 4.3

Bore and stroke 4.00 x 3.48″ / 101 x 88 mm

Compression ratio 9.4:1

Recommended fuel

Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum

Engine control system

PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors

Fuel delivery system

Multi-point Electronic Fuel Injection (MPI)

Air induction

Two-piece long runner intake with 75 mm throttle body (80 mm w/DTS)


Crank fired high voltage switch with knock control

Alternator amp / Watt

65 amp / 917 watt

Water drain system

Single point manual drain (Alpha)
Three-point manual (Bravo)

Exhaust system

Iron manifolds with electro-deposition paint coated dry joint exhaust elbow

Cooling system

Raw water Thermostatically controlled

Accessory drive system Serpentine belt

Recommended oil NMMA Certified FCW 25W-40 Synthetic Blend

Engine guardian system

High coolant temperature
Knock control
Low drive lubricant
Low oil pressure
Low voltage

Dimensions (L x W x H) 28 x 30 x 22″ / 696 x 740 x 559 mm

Weight (engine only) 352 kg

Compatible drives Alpha Bravo One Bravo Three Bravo Two