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Mercruiser Sterndrive 4.3L MPI

Mercruiser Sterndrive 4.3L MPI – MERCRUISER MULTIPORT INJECTED (MPI) STERNDRIVE ENGINES are built to exceed your expectations with impressive technologies that give you instant peace of mind. The computer controlled fuel and ignition system and platinum-tipped spark plugs ensure reliable starts and outstanding performance. Smart maintenance feature such as the engine-mounted drive lube monitor make it easy to check your drive lube from inside the boat. And with SmartCraft integrated technology, the exclusive Engine Guardian System monitors your boat's systems for problems, so you don't have to.

Power 220HP (164KW)
Full Throttle Range 4400 – 4800 RPM
Displacement 262 CID (4.3L)
Engine Type V6
Bore & Stroke 4.00″ X 3.48″ (101mm X 88mm)
Compression Ratio 9.4:1
Fuel Requirement 87 Octane (R+M)/2
Engine Control System ECM 555 with SmartCraft CAN Capability
Fuel Delivery System Gen II Cool Fuel
Fuel Injection System Multi-Point Electronic Fuel Injection
Induction System 2-pieceLong Runner intake with 75mm Throttle Body
Ignition System Crank-fired High Voltage Switch w/Knock Control and Platinum Plugs
Charging System 65 Amp/917 Watt Alternator
Water Drain System 3-point Manual Drain (Bravo Models), Single Point Air-Actuated (Optional on Bravo Models), Single Point Manual Drain (Alpha Models)
Exhaust System Iron Manifolds with EDP Coated Dry-joint Exhaust Elbow
Cooling System Thermostatically Controlled, Raw Water
Accessory Drive System Serpentine Belt
Recommended Engine Oil MerCruiser Full Synthetic Engine Oil – SAE 20W-40
Engine Guardian System Low Oil Pressure, High Coolant Temperature, Low Drive Lube, Low Sea Water Pressure, Low Voltage, Over-rev control, Knock Control
Alpha Ratios 1.47, 1.62 (P), 1.81
Bravo One Ratios N/A
Bravo Two Ratios 2.00, 2.20
Bravo Three Ratios 2.20, 2.43(H)
Dimensions (LxWxH) in 28 x 30 x 22
Dimensions (LxWxH) mm 696 x 740 x 559
Weight w/ Alpha (lbs./kg) 865/393
Weight w/ Bravo One (lbs./kg) N/A
Weight w/ Bravo Two (lbs./kg) 912/414
Weight w/ Bravo Three (lbs./kg) 921/419
Digital Throttle and Shift N/A
Optional Freshwater Cooling Available

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