300 HP FOURSTROKE

The new Mercury 300hp FourStroke is precision engineered from skeg to cowl. Packed with advanced technology to improve all aspects of performance and reliability. the Robust 4.6 Litre V-8 engine is designed to minimise weight and maximise fuel economy. Delivering Mercury's best ever FourStroke hole shot, top speed and fuel efficiency. The 300hp FourStroke now comes with a 3+3=6 Year factory warranty.

ENGINE DETAILS

These robust motors deliver Mercury’s best-ever FourStroke hole shot, top speed and fuel efficiency. Great for aluminum fishing, deck, inflatable rigid hull, inshore fishing, offshore fishing and runabouts and tritoons.

SPECIFICATIONS - 300
HP / kW
300 / 224

Engine type
V-8

MidSection
Conventional MidSection

Displacement (CID/CC)
279 CID

Displacement (L)
4.6L

Cylinder Configuration
V-8 <64 degree> with Dual Overhead Cam and 32-valves

Full throttle RPM
5200-6000

Air induction
Performance-Tuned Long-Runner Intake Manifold

Fuel induction system
Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization

Alternator amp / Watt
85-amp (1071 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
Yes

Starting
Electric Start with SmartStart Protection

Controls
Remote Mechanical or Digital Throttle & Shift (DTS)

Steering
Hydraulic (standard)
Power (optional)

Shaft length
20" / 508 mm
25" / 635 mm

Gearcase ratio
1.75:1

Dry weight *Lightest model available
527 lbs / 239 kgs

CARB star rating
3

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
F-N-R

Gearcase options
5.44"

Trim system
Power trim and tilt

Exhaust system
Through prop

Counter Rotation
Available

Color
Cold Fusion White
Pearl Fusion White
Phantom Black
Warm Fusion White

Lubrication system
Integrated wet sump

Oil Capacity
7.0 Quarts / 6.6 Liters

Maximum Trim Range
20° (-6° to 14°)

Maximum Tilt Range
73° (-6° to 67°)
Engine 1
Engine Make Mercury
Engine Serial V-8
Displacement 4.6
Horse Power 300
Fuel Type Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Steering Hydraulic (standard) Power (optional)
Stroke 4-Stroke
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