Mercury-Mercruiser 8M0185589 Quicksilver 409 MPI Bravo FWC Engine Only

8M0185589 Quicksilver 400 HP 409 MPI FWC Bravo Engine Only

400 HP @ 5,800 RPM. 409 cubic inch fully dressed marine engine. Replaces 454 HO, 502 HO, 496 Mag & 406 HO sterndrive engines including SeaCore and Horizon Bravo models.

3 Year limited factory warranty!

Multi Port Fuel Injected (MPI) for surefire performance in all conditions
Compatible with Mercury® SmartCraft® digital gauges, displays and controls
Designed to work with analog (cable) controls
Protected by Engine Guardian audio warning system to protect against engine damage
Black-X Composite Valves reduce valve wear and help extend engine life especially in presence of modern ethanol blended fuels
100% New Quicksilver Cast Iron Block designed expresssly for marine duty with thicker castings for quieter operation and better durability in saltwater
CARB & EPA compliant (requires old engine return for repower – RETURN SHIPPING IS INCLUDED)

• Power 400 hp (298 kW)
• WOT RPM 5000-5800
• Displacement 409 cu in (6.7L)
• Engine Type Quicksilver V8 iron block and aluminum cylinder heads with Black-X composite valves
• Bore & Stroke 4.035 x 4.00 in (102 x 102mm)
• Compression Ratio 9.4:1 (with ceramic-coated forged pistons)
• Rocker Arm Ratio 1.6:1 (shaft-mounted)
• Fuel Compatibility 87 octane minimum / up to 10% ethanol
• Engine Control System ECM 555 with SmartCraft CAN Capability
• Fuel-Delivery System Gen 2 Cool Fuel (4 bar)
• Fuel-Injection System Multi-point fuel injection
• Induction System Single-plane intake with 4-blade throttle body
• Ignition System HVS with fixed-gap spark plugs
• Charging System 65 amp (917 watt)
• Water Drain System Single-point air-actuated
• Exhaust System Dry joint
• Cooling System Closed cooling, long-life 5-year antifreeze, brass seawater pump
• Accessory Drive System Serpentine belt
• Lubrication System High-flow 100 psi oil pump, 140F oil thermostat, and copper oil cooler
• Recommended Engine Oil SAE 25W-50 NMMA Certified FC-W® full synthetic
• Audio Warning System Oil pressure, coolant temperature, drive lube, seawater pressure, low voltage, over-rev control (6150 RPM)
• Bravo One® X Gear Ratio 1.65:1
• Bravo Two X® Gear Ratio 2.00:1 (O), 2.20:1 (P)
• Bravo Three X® Gear Ratio 2.00:1 (O), 2.20:1 (P), 2.43:1 (H)
• Dimensions (LxWxH) 34.5 x 29.6 x 35.8 in (876 x 752 x 909mm)
• Engine Weight 985 lbs (447kg)
• Freshwater Cooling Standard
• Boat Harness Type 10-pin