2024 Quicksilver® 409 MPI Bravo 712-8M0185589
- Year 2024
- Make Quicksilver®
- Model 409 MPI Bravo
- Engine control system: ECM 555 with SmartCraft CAN Capability
2024 Quicksilver® 409 MPI Bravo 712-8M0185589
2024 Quicksilver® 409 MPI Bravo 712-8M0185589
Premium power for classic sterndrive and inboard cruisers and performance boatsLightweight, smooth and quiet, the 400hp 409 MPI Bravo engine features a flat-plane crankshaft that generatesserious torque and horsepower, delivering an exciting boost in speed and hole shot when repowering classicsterndrive and inboard boats. Durable and efficient, the 409 engine can provide years of additional fun on the water.
Features may include:
- Fuel injected for surefire performance in all conditions
- Compatible with Mercury® SmartCraft® digital gauges, displays and controls
- CARB & EPA compliant (requires old engine return for repower)
- Black-X composite valves reduce valve wear and help extend engine life
- 3-year limited warranty409 MPI Bravo® FWC
Engine
Engine Power
400hp (298 kW)
Rated Engine Speed
Full Throttle Range: 5000-5800 RPM
Engine
control system: ECM 555 with SmartCraft CAN Capability
Displacement
409 cu in (6.7L)
Engine Type
Quicksilver V8 iron block and aluminum cylinder heads with Black-X composite valves
Bore
4.035" (102 mm)
Stroke
4.00" (102 mm)
Compression Ratio
9.4:1 (with ceramic-coated forged pistons) | Rocker Arm: 1.6:1 (shaft-mounted)
Ignition
HVS with fixed-gap spark plugs
Cooling System
Closed cooling, long-life 5-year antifreeze, brass seawater pump | FreshWater: Standard
Lubrication
High-flow 100 psi oil pump, 140F oil thermostat, and copper oil cooler
Induction
Single-plane intake with 4-blade throttle body
Fuel System
Fuel System
Compatibility: 87 octane minimum / up to 10% ethanol | Delivery System: Gen 2 Cool Fuel (4 bar) | Injection System: Multi-point fuel injection | Accessory Drive System: Serpentine belt
Drivetrain
Drive System
Water Drain System: Single-point air-actuated | Exhaust System: Dry joint
Gear Ratio (Primary)
1.65:1 | Two: 2.00:1 (O), 2.20:1 (P) | Three: 2.00:1 (O), 2.20:1 (P), 2.43:1 (H)
Electric
Alternator
Charging System: 65 amp (917 watt)
Operational
Operating Conditions
Rocker Arm Ratio: 1.5:1 Stamped Steel
Dimensions
Length
34.5" (876 mm)
Width
299.6" (752 mm)
Height
35.8" (909 mm)
Capacities
Fuel Capacity
Requirement: 87 Octane (R+M)/2
Oil capacity
Recommended Engine: SAE 25W-50 NMMA Certified FC-W® full synthetic
Features
Features
Cranktrain: Nodular Iron Crankshaft | Audio Warning System: Oil Pressure, Coolant Temperature, Drive Lube, Water Pressure
Weights
Weight
985 lbs / 447 kg