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MerCruiser Engines Service Specialists
Lake Conroe Marine, LLC
Sterndrive-Inboard-Outboard Repair
 Lake Conroe Full Service Boat Repair Shop
Service & Parts....936-890-0676

350 MAG MPI Horizon Engine
Engine & Stern Drive Package
New

Specifications
HP: 300
kW: 224
SmartCraft: Yes
Full Throttle RPM Range: 4600-5000
Displacement Liter/CID: 5.7/350
Cylinder/Configuration: V-8
Bore & Stroke (in): 4.0 x 3.48
Bore & Stroke (mm): 101 x 88
Compression Ratio: 9.4:1
Fuel System: MPI
Ignition System: ECM 555
Alternator Amp: 65
Alternator Watt: 917
Length (in/mm): 32/813
Width (in/mm): 30/740
Height (in/mm): 22/559
Drive Options: Bravo One, Bravo Two, Bravo Three
Total Weight (lbs./kg): Bravo One: 1044/475
Total Weight (lbs./kg): Bravo Two: 1061/482
Total Weight (lbs./kg): Bravo Three: 1070/486
Drive/Gear Ratios (primary/optional/high altitude): Bravo One: 1.5 / 1.36 / 1.65:1
Drive/Gear Ratios (primary/optional/high altitude): Bravo Two: 2.0 / 1.81 / 2.2:1

Drive/Gear Ratios (primary/optional/high altitude): Bravo Three: 2.0 / 1.81 / 2.2:1
Audio Warning System: Standard (Engine Guardian)
Ceramic- and EDP-Coated Exhaust Elbows: Standard
Closed-Cooling: Standard
Color-Coded Service Points: Standard
Compact Hydraulic Steering: Optional
Easy Oil Drain System: Standard
EDP-Coated and Painted Exhaust Manifold(s): Standard
Knock Control: Standard
MerCathode: Standard
Platinum-Tipped Spark Plugs: Standard
Power Steering: Standard
Remote Oil Filter: Standard
Risers 3": Optional
Serpentine Belt: Standard
Water-Cooled Fuel System: Standard
Water Drain System: Bravo Standard: Air-actuated, single-point drain system - hand air pump included with engine
Water/Fuel Separator: Standard
CARB Star Rating: 3

Features & Benefits

  • Horizon engines feature 3 years of factory-backed product protection (standard 1-year warranty plus 2 years of extended Mercury Product Protection through the Mercury factory-administered program) and a 3-year limited warranty against corrosion failure.
  • New shift plate designs and cables provide smoother, lower-effort shifting.
  • Further enhancing the standard MerCathode corrosion protection, all Bravo Three drives feature additional protective anodes on the anti-cavitation plate and propshaft.
  • MerCruiser MPI engines with SmartCraft™ feature the most sophisticated boat/engine data-management system available. This system monitors up to 64 internal and external functions and continuously adjusts the engine operations for optimum performance.
  • The 555 control module enables boat manufacturers to offer state-of-the-art digital information displays like the Mercury-exclusive SC5000 System View, a small computer screen that allows the driver to easily monitor and verify real-time engine and boat data.
  • Engine Guardian™ proactively monitors and protects your engine from the damaging effects of low oil pressure, high engine temperature, engine over-speed, or low cooling water pressure.
  • The Engine Guardian system not only detects and alerts you of an engine problem, it automatically reduces power to a safe level that allows you to continue operating.
  • Multiport injection system provides added horsepower and low-end torque, increased fuel economy, precise fuel/air mixture to each cylinder for reduced emissions and improved driveability, and turn-key starting.
  • MerCruiser-exclusive air-actuated single-point water drain system allows the operator to drain water from the engine from one, easy-to-reach location for convenience.
  • Dry-joint exhaust system eliminates a potential leak path, reduces a buildup of condensation and decreases the threat of water ingestion for longer engine life.
  • Standard closed-cooling system (with 5-year service interval for coolant) offers the ultimate in corrosion protection.
  • Exclusive easy oil drain system simplifies routine maintenance, allowing engine oil to be drained through a hose that exits through the boat's standard drain plug hole.

Local Area Sales Only
Outdrives & Transom Assemblies Available Next Day

Lake Conroe Marine is your source  for
 MerCruiser Inboard And Stern Drive products serving
Conroe and The Houston Metropolitan Area.