MerCruiser Inboards   
Horizon - 350 MAG MPI    

Gas - Carbureted

• 5.7L

Gas - Fuel Injected

• 350 MAG MPI
• 350 MAG MPI Horizon
  
  
• MX 6.2 MPI
• MX 6.2 MPI Horizon
  
  
• 8.1S Horizon
• 8.1S HO

Diesel

• D2.8L D-Tronic
• D4.2L-LD
• D4.2L
• D4.2L D-Tronic
• 7.3L D-Tronic-LD
• 7.3L D-Tronic

• Propshaft Horsepower: 300 (224 kW)
• Displacement (Liter/CID): 5.7/350
• Cylinders: V-8
• Bore & Stroke (in/mm): 4.00 x 3.48/101 x 88
• Compression Ratio: 9.4:1
• Fuel System: MPI
• Full Throttle RPM Range: 4400-4800
• Ignition Type: Digital
• Alternator: 70/988
• Length (in/cm): 45/115
• Width (in/cm): 30/77
• Height (in/cm): 22/56
• Weight (lbs/kg): 860/ 390

Transmission Ratios

• Gear Ratio - Velvet Drive 71C: 1.0
• Gear Ratio - Velvet Drive 72C: 1.0
• Gear Ratio - Velvet Drive 5000A: 1.5, 2.0, 2.5, 2.8
• Gear Ratio - Velvet Drive 5000V: 1.5, 2.0, 2.5

Standard Features

• Audio warning system
• Circulating pump hose drain
• Serpentine belt
• Drive lube monitor (sterndrives only)
• Ceramic- and EDP-coated exhaust elbows
• Remote oil filter
• Water/fuel separator

Optional Features

• 3" and 6" exhaust risers (kit)
• Compact hydraulic steering system for pontoon applications.
• Closed-cooling

Boating Benefits

• Ceramic-coated exhaust elbows and manifolds for outstanding corrosion resistance.
• Multiport injection system that provides dependable turnkey starts, optimized fuel/air distribution, digital electronic spark advance, and exceptional throttle response for unmatched performance.
• Multipoint manual water drain system, which makes winterizing easy.
• Exclusive remote oil filter located atop the engine that simplifies routine maintenance.
• Water-cooled fuel system that keeps fuel temperatures at optimum levels while reducing the potential for vapor lock.
• 70-amp alternator to handle the demands of today’s state-of-the-art electronic components.
• Top-mounted starter and water-separating fuel filter for reliable starts.
• Exclusive audio alarm system that warns you of low oil pressure, high water temperature and excessive transmission temperature.
• Exclusive Mercury MerCruiser® service dealer network.