FourStroke 300 hp

Power. Performance. Convenience.

Mercury ProKicker outboard motors deliver superior torque for greater acceleration control. Fast, reliable starting and controlled throttle response in all weather. A deeper gearcase and a four-blade, high-thrust propeller with matching gear ratio for precise trolling control. Rugged durability with robust gears and bearings and a heavy-duty skeg. And the fastest power tilt in the?industry.

 

ENGINE DETAILS

Delivers all the power you need to control bigger boats. High-thrust four-blade propeller delivers greater trolling speed authority. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Additional information

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 [DOHC] 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

Engine Protection Operator Warning System

SmartCraft Engine Guardian

Compatible with SmartCraft

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

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

Motor 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?)

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