Maritime Propulsion Marine engines, propulsors, electrification and drivetrain news

MERCRUISER TOW SPORTS 5.7 MPI - 300 HP

Model
300 HP
Type
Engine
Application
Commercial, Recreational

Description

Product Specification Listing

Brand: MerCruiser Model: Tow Sports 5.7 MPI Engine Type: Marine Engine Power Output: 300 HP (Horsepower)


General Specifications:

  • Engine Type: V8
  • Displacement: 5.7 liters
  • Fuel System: MPI (Multi-Point Fuel Injection)
  • Horsepower: 300 HP @ 4800-5200 RPM
  • Induction: Naturally aspirated
  • Cooling System: Closed cooling

Performance:

  • Maximum RPM Range: 4800-5200
  • Torque: High low-end torque enabling power for towing water skiers, wakeboards, and other tow sport equipment
  • Fuel Economy: Optimized for efficient fuel consumption during extended operation periods

Dimensions & Weight:

  • Overall Engine Length: 36 inches
  • Overall Engine Width: 30 inches
  • Overall Engine Height: 21 inches
  • Weight: 952 lbs
  • Mounting Type: Front/rear and side mounts for secure installation

Fuel & Lubrcation:

  • Recommended Fuel: 90-Octane unleaded gasoline
  • Fuel Capacity: Dependent on boat fuel tank; engine-specific recommendation available upon request
  • Lubrication System: Wet sump
  • Oil Capacity: 5.5 qt (engine only, without filter)

Electrical System:

  • Ignition System: Electronic Fuel Injection
  • Battery Requirements: 12V marine battery recommended
  • Starter: 12V electric starter
  • Alternator Output: 70 amps

Exhaust System:

  • Exhaust Manifold: Stainless steel
  • Exhaust System: Water-cooled with catalytic converters (depending on region)

Drive and Steering:

  • Compatible Drives: Bravo and Alpha series sterndrives
  • Steering System: Hydraulic power steering

Additional Features:

  • Engine Management: SmartCraft Digital Throttle & Shift (DTS) for smooth and responsive throttle control
  • Monitoring System: SmartCraft system monitors engine functions and provides diagnostic information
  • Corrosion Protection: Anti-corrosion DP primer and multi-coat paint system, MerCathode or SeaCore option for enhanced saltwater protection

Compliance:

  • Emission Standards: Meets US EPA and California Air Resources Board (CARB) emissions standards for marine engines

Warranty:

  • Manufacturer's Warranty: Varies by region and distributor but typically includes a limited warranty of 2 years

Optional Accessories:

  • Transom Gimbal Assembly
  • Propellers
  • Engine Cover
  • Additional Gauges
  • Towing Kits

Recommended Maintenance:

  • Initial Service: 20 hours or 1 month
  • Routine Service: 100 hours or annually
  • Major Service: Every 300 hours or every 3 years

Notes:

  • Installation: Professional installation recommended for optimal performance and safety.
  • Dealer Support: Authorized MerCruiser dealers provide comprehensive support, including installation, service, and maintenance.

Contact Information:

For further details, purchasing options, or dealer locations, please visit the official MerCruiser website or contact MerCruiser customer service directly.


Specifications

Power 300 HP (223.71 kW)
Cylinders Arrangement/Number V8
Bore 101 mm (3.98 in)
Stroke 88 mm (3.46 in)
Weight 369 kg (813.51 lb)
Length 1,092 mm (42.99 in)
Rated Speed 4,600 r/min
Width 740 mm (29.13 in)
Height 559 mm (22.01 in)
Powerkw 22 kW (29.5 HP)
Displacementin3 350 in3 (5,735.47 cm3)
Lengthin 43 in (1,092.2 mm)
Widthin 30 in (762 mm)
Heightin 22 in (558.8 mm)
Weightlb 813 lb (368.77 kg)
Compression Rate 9.4:1
Borein 4 in (101.6 mm)
Strokein 3.48 in (88.39 mm)