Mercruiser Sterndrive 3.0L MPI – MERCRUISER MULTIPORT INJECTED (MPI) STERNDRIVE ENGINES are built to exceed your expectations with impressive technologies that give you instant peace of mind.
| HP/kW @ Prop | 135/101 |
| Max RPM (WOT) | 4400-4800 |
| Cylinders | I4 |
| Displacement (CID/L) | 181/3.0 |
| Bore & Stroke (in/mm) | 4.00×3.60/101×91 |
| Compression Ratio | 9.3:1 |
| Fuel Requirements | Unleaded regular 87 octane |
| Engine Control System | PCM 09 w/SmartCraft CAN Capability, OBD-M Diagnostics, (2) O2 Sensors |
| Fuel Delivery System | Dual Pump Water-Cooled Module with Water Separating Fuel Filter |
| Fuel Injection System | Multi-Port Electronic Fuel Injection |
| Induction System | Single piece iron intake-exhaust manifold w/56mm throttle body |
| Ignition System | Distributorless ignition with knock control |
| Charging System | 65 amp/917 watt alternator |
| Water Drain System | Quick-Disconnect Drain Hoses with Flush Feature |
| Exhaust System | EDP coated iron manifold w/ dry-joint elbow |
| Cooling System | Thermostatically controlled, raw water |
| Accessory Drive System | V-Belt |
| Recommended Engine Oil | MerCruiser Full Synthetic Engine Oil – SAE 20W-40 |
| Engine Guardian System | Low Oil Pressure, High Coolant Temperature, Low Seawater Pressure, Low Drive Lubricant, Low Voltage, Over-Rev Control |
| Alpha Ratios | 2.0(P), 2.40 |
| Bravo One Ratios | N/A |
| Bravo Two Ratios | N/A |
| Bravo Three Ratios | N/A |
| Weight w/Alpha (lbs/kg) | 695/315 |
| Weight w/Bravo One (kg) | N/A |
| Weight w/Bravo Two (kg) | N/A |
| Weight w/Bravo Three (kg) | N/A |
| Optional Freshwater Cooling | Available |
| Digital Throttle & Shift | N/A |
