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 |