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Mercury® MerCruiser®
TowSport Inboards

The Perfect Choice for Towsports

A flawless blend of torque, pulling power, and launch propulsion.

  • HP / kW 330 / 254
  • Maximum RPM (WOT) 4800 - 5200
  • Engine type V-8
  • Displacement (L) 5.7
  • Fuel delivery system Multi-point Electronic Fuel Injection (MPI)

The specifications displayed here may not be indicative of the entire engine family; click on the “See All Models and Specs” link to view the specs in detail.

See All Models and Specs

Intuitive Design.

Intuitive Design.

Pair these engines with Smart Tow® and choose from an array of profiles to dial in your ideal launch and cruising speeds. Five pre-set launch controls – from gradual to aggressive acceleration – can be customized to suit the whole family.

Durable & Reliable.

Durable & Reliable.

Electronic MPI technology delivers smooth, quiet and steady idling; instant throttle response; and increased fuel efficiency to help reduce operating and maintenance costs. Engine Guardian, which monitors engine functions and nips potential problems in the bud, is standard.

Maximum Torque.

Maximum Torque.

The air plenum manifold system pumps in more air for more-efficient combustion, resulting in greater power and torque. In addition, these engines are designed to deliver optimal horsepower in the rpm range boarders and skiers like best!

Specifications

Mercury® MerCruiser®: TowSport Inboards

  • HP / kW
    • 330 / 254
    Maximum RPM (WOT)
    • 4800 - 5200
    Engine type
    • V-8
    Displacement (L)
    • 5.7
    Bore and stroke
    • 4.00 x 3.48" / 101 x 88 mm
    Compression ratio
    • 9.4:1
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Engine control system
    • PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
    Fuel delivery system
    • Multi-point Electronic Fuel Injection (MPI)
    Air induction
    • Tunnel Ram w/Plenum
    Ignition
    • Crank fired high voltage switch with knock control
    Alternator amp / Watt
    • 65 amp / 917 watt
    Water drain system
    • Three-point manual
    Exhaust system
    • Iron manifold
    Cooling system
    • Brass sea water pump
    • Raw water
    • Thermostatically controlled
    Accessory drive system
    • Serpentine belt
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine guardian system
    • High coolant temperature
    • Knock control
    • Low oil pressure
    • Low voltage
    • Low water pressure
    • Over-rev
    Dimensions (L x W x H)
    • 43 x 30 x 21" / 1092 x 740 x 533 mm
    Weight (engine only)
    • 726 lbs / 330 kg
    Compatible drives
    • Walter V-Drive
    • ZF 45 C Electric
    Print Compare With Other Products
  • HP / kW
    • 315 / 235
    Maximum RPM (WOT)
    • 4600 - 5000
    Engine type
    • V-8
    Displacement (L)
    • 5.7
    Bore and stroke
    • 4.00 x 3.48" / 101 x 88 mm
    Compression ratio
    • 9.4:1
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Engine control system
    • PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
    Fuel delivery system
    • Multi-point Electronic Fuel Injection (MPI)
    Air induction
    • Two-piece long runner intake with 75 mm throttle body
    Ignition
    • Crank fired high voltage switch with knock control
    Alternator amp / Watt
    • 65 amp / 917 watt
    Water drain system
    • Single point air actuated
    Exhaust system
    • Electro-deposition paint coated exhaust manifolds with dry joint design through prop
    Cooling system
    • Brass sea water pump
    • Closed cooling
    • Long life 5-year antifreeze
    Accessory drive system
    • Serpentine belt
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine guardian system
    • High coolant temperature
    • Knock control
    • Low oil pressure
    • Low voltage
    • Low water pressure
    • Over-rev
    Dimensions (L x W x H)
    • 43 x 30 x 22" / 1092 x 740 x 559 mm
    Weight (engine only)
    • 718 lbs / 326 kg
    Compatible drives
    • 71 C
    • Walter V-Drive
    • ZF 45 C
    Print Compare With Other Products
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