
ENGINE DETAILS
The inherently balanced in-line six-cylinder engine and our Advanced Mid Section (AMS) with perimeter mounts virtually eliminate vibration in the boat. Perfect for sneaking up on fish or cruising on luxury pontoons.
SPECIFICATIONS – 400
| HP / kW |
|
| Engine type |
|
| MidSection |
- Advanced MidSection (AMS)
|
| Displacement (CID/CC) |
|
| Displacement (L) |
|
| Cylinder Configuration |
- Inline 6 with Dual Overhead Cam [DOHC] and 24-valves
|
| Full throttle RPM |
|
| Air induction |
- Supercharged with charge air cooling and electronic boost pressure control
|
| Fuel induction system |
- Sequential multi-port electronic fuel injection (EFI)
|
| Alternator amp / Watt |
- 70 amp / 882 watt (Belt-Driven)
|
| Recommended fuel |
- Unleaded Regular 89 Octane Minimum (R+M)/2 or 93 RON Unleaded 91 Octane or 95 RON for premium performance in all conditions 10% Ethanol Maximum
|
| Recommended oil |
- Mercury FourStroke 25W40 Marine Oil
|
| Engine protection operator warning system |
- SmartCraft Engine Guardian
|
| Compatible with SmartCraft digital technology |
|
| Starting |
- Electric Start with SmartStart Protection
|
| Controls |
- Digital Throttle & Shift (DTS)
|
| Steering |
- Electro-hydraulic power steering
- Joystick Piloting for Outboards
|
| Shaft length |
- 20″ / 508 mm
- 25″ / 635 mm
- 30″ / 762 mm
|
| Gearcase ratio |
|
| Dry weight *Lightest model available |
|
| CARB star rating |
|
| Bore and stroke |
- 3.23 in x 3.23 in / 82 mm x 82 mm
|
| Ignition |
- SmartCraft Digital Inductive
|
| Cooling system |
- Water-cooled with thermostat & pressure-controlled
|
| Gear shift |
|
| Gearcase options |
|
| Trim system |
- SmartCraft programmable trim and tilt
|
| Exhaust system |
|
| Counter Rotation |
|
| Color |
- Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
|
| Lubrication system |
|
| Oil Capacity |
|
| Maximum Trim Range |
|
| Maximum Tilt Range |
|

ENGINE DETAILS
The inherently balanced in-line six-cylinder engine and our Advanced Mid Section (AMS) with perimeter mounts virtually eliminate vibration in the boat. Perfect for sneaking up on fish or cruising on luxury pontoons.
SPECIFICATIONS – 350
| HP / kW |
|
| Engine type |
|
| Displacement (L) |
|
| Full throttle RPM |
|
| Air induction |
- Supercharged with charge air cooling and electronic boost pressure control
|
| Fuel induction system |
- Sequential multi-port electronic fuel injection (EFI)
|
| Alternator amp / Watt |
- 70 amp / 882 watt (Belt-Driven)
|
| Recommended fuel |
- Unleaded Regular 89 Octane Minimum (R+M)/2 or 93 RON Unleaded 91 Octane or 95 RON for premium performance in all conditions 10% Ethanol Maximum
|
| Recommended oil |
- Mercury FourStroke 25W40 Marine Oil
|
| Engine protection operator warning system |
- SmartCraft Engine Guardian
|
| Compatible with SmartCraft digital technology |
|
| Starting |
|
| Controls |
|
| Steering |
- Electro-hydraulic power steering
|
| Shaft length |
- 20″ / 508 mm
- 25″ / 635 mm
- 30″ / 762 mm
|
| Gearcase ratio |
|
| Dry weight *Lightest model available |
|
| CARB star rating |
|
| Gearcase options |
|
| Trim system |
- Power trim and tilt with SmartCraft programmable tilt
|
| Counter Rotation |
|
| Color |
- Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
|

ENGINE DETAILS
The smooth, refined power of a 4.6-liter V-8 powerhead delivers exhilarating acceleration and top speed to run offshore with confidence, with generous displacement and robust design that provide uncompromising durability and reliability. The Mercury exclusive Advanced MidSection (AMS) and under-cowl noise management features set the standard for smooth, quiet marine propulsion.
SPECIFICATIONS – 300
| HP / kW |
|
| Engine type |
|
| MidSection |
- Advanced MidSection (AMS)
|
| Displacement (CID/CC) |
|
| Displacement (L) |
|
| Cylinder Configuration |
- V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
|
| Full throttle RPM |
|
| Air induction |
- Performance-Tuned Long-Runner Intake Manifold
|
| Fuel induction system |
- Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
|
| Alternator amp / Watt |
- 115-amp (1449 Watt) with Idle Charge
|
| Recommended fuel |
- Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
|
| Recommended oil |
- NMMA Certified FCW SAE 10W-30
|
| Engine protection operator warning system |
- SmartCraft Engine Guardian
|
| Compatible with SmartCraft digital technology |
|
| Starting |
- Electric Start with SmartStart Protection
|
| Controls |
- Digital Throttle & Shift (DTS)
|
| Steering |
- Electro-hydraulic power steering
- Joystick Piloting for Outboards
|
| Shaft length |
- 20″ / 508 mm
- 25″ / 635 mm
- 30″ / 762 mm
|
| Gearcase ratio |
|
| Dry weight *Lightest model available |
|
| CARB star rating |
|
| Bore and stroke |
- 3.6 in x 3.4 in / 92 mm x 86 mm
|
| Ignition |
- SmartCraft PCM 112 Digital Inductive
|
| Cooling system |
- Water-cooled with thermostat
|
| Gear shift |
|
| Gearcase options |
|
| Trim system |
|
| Exhaust system |
|
| Counter Rotation |
|
| Color |
- Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
|
| Lubrication system |
|
| Oil Capacity |
|
| Maximum Trim Range |
|
| Maximum Tilt Range |
|

ENGINE DETAILS
The smooth, refined power of a 4.6-liter V-8 powerhead delivers exhilarating acceleration and top speed to run offshore with confidence, with generous displacement and robust design that provide uncompromising durability and reliability. The Mercury exclusive Advanced MidSection (AMS) and under-cowl noise management features set the standard for smooth, quiet marine propulsion
SPECIFICATIONS – 250
| HP / kW |
|
| Engine type |
|
| MidSection |
- Advanced MidSection (AMS)
|
| Displacement (CID/CC) |
|
| Displacement (L) |
|
| Cylinder Configuration |
- V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
|
| Full throttle RPM |
|
| Air induction |
- Performance-Tuned Long-Runner Intake Manifold
|
| Fuel induction system |
- Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
|
| Alternator amp / Watt |
- 115-amp (1449 Watt) with Idle Charge
|
| Recommended fuel |
- Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
|
| Recommended oil |
- NMMA Certified FCW SAE 10W-30
|
| Engine protection operator warning system |
- SmartCraft Engine Guardian
|
| Compatible with SmartCraft digital technology |
|
| Starting |
- Electric Start with SmartStart Protection
|
| Controls |
- Digital Throttle & Shift (DTS)
|
| Steering |
- Electro-hydraulic power steering
- Joystick Piloting for Outboards
|
| Shaft length |
- 20″ / 508 mm
- 25″ / 635 mm
- 30″ / 762 mm
|
| Gearcase ratio |
|
| Dry weight *Lightest model available |
|
| CARB star rating |
|
| Bore and stroke |
- 3.6 in x 3.4 in / 92 mm x 86 mm
|
| Ignition |
- SmartCraft PCM 112 Digital Inductive
|
| Cooling system |
- Water-cooled with thermostat
|
| Gear shift |
|
| Gearcase options |
|
| Trim system |
|
| Exhaust system |
|
| Counter Rotation |
|
| Color |
- Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
|
| Lubrication system |
|
| Oil Capacity |
|
| Maximum Trim Range |
|
| Maximum Tilt Range |
|