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
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