Smith's RV Centre

Clean, Quiet and Fuel Efficient

The 25 and 30 horsepower models have an industry-first batteryless EFI system for easier starting, smooth running and improved efficiency.  The Flyway 25 EFI, with its popular Advantage MAX-4 HD® graphics, special low-gloss paint and best-in-class noise reduction, is one of the stealthiest outboards on the market.  

Standards

 Features

• NEW: Flyway 25 EFI
  The Flyway 25 EFI takes stealth one step further. The 25 EFI FourStroke is already the quietest in its class. Now its nearly invisible.
  -Advantage MAX-4 HD® camouflage and special matching low-gloss paint
  -Best-in-class noise reduction
  -Industry leading battery-free EFI with a manual recoil (even on electric models) and automatic decompression
  -Convenient gas-assist or power trim are available
  -Exclusive shift-in-handle (tiller models)   
• CONSISTENT STARTING
  Mercury FourStroke EFI outboards deliver consistent, easy starts, smooth operation and reliability. The 25 and 30 hp models are the industry's first batteryless EFI outboards.
• BORN TO BE SMOOTH
  All portable and mid-range Mercury FourStrokes feature inline designs for inherently smooth operation. 

• CLEAN POWER
  All Mercury FourStrokes are designed to run clean, helping to protect the environment for generations to come. Every Mercury mid-range FourStroke engine carries a carb three-star ultra-low emissions rating. 
• EASY SHIFTING
  Precision engineered shift system delivers smooth shifting for an improved driving experience. 
• INDUSTRY-LEADING WARRANTY
  Every Mercury outboard comes with a three-year limited warranty factory-backed, nondeclining warranty (except Mercury Racing models).

Mercury FourStroke Outboards

25HP Flyway EFI

25HP EFI

30HP EFI

HP @ Prop

25

25

30

kW @ Prop

18.6

18.6

22.4

Max RPM (WOT)

5000-6000

5000-6000

5200-6200

Cylinders

3

3 (in-line)

3 (in-line)

Displacement (CID/cc)

32.1/526

32.1/526

32.1/526

Bore & Stroke (in)

2.40 x 2.36

2.40 x 2.36

2.40 x 2.36

Bore & Stroke (mm)

61 x 60

61 x 60

61 x 60

Cooling System

Water-cooled w/thermostat

Water-cooled w/thermostat

Water-cooled w/thermostat

Ignition System

CDI w/electric spark advance

CDI w/electric spark advance

CDI w/electric spark advance

Starting

Manual or electric w/manual backup

Manual or electric

Manual or electric

Gear Ratio

1.92:1

1.92:1

1.92:1

Gear Shift

F-N-R

F-N-R

F-N-R

Steering

Tiller or remote

Tiller or remote

Tiller or remote

Alternator Amp

15

15

15

Alternator Watt

186

186

186

Trim & Tilt System

Manual, gas assist or power trim

Manual or power trim

Gas assist or power trim

Shallow Water Drive

Available (manual trim only)

Available

Available

Exhaust System

Through prop

Through prop

Through prop

Lubrication System

Wet sump

Wet sump

Wet sump

Recommended Oil

Mercury 4-Stroke Outboard Oil

Mercury 4-Stroke Outboard Oil

Mercury 4-Stroke Outboard Oil

Oil Capacity

1.8L / 2 Qt.

450 mL / 15 oz

450 mL / 15 oz

Fuel Induction System

2-valve single overhead cam

2-valve single overhead cam

2-valve single overhead cam

Remote Fuel Tank (US Gal)

6.6

6.6

6.6

Remote Fuel Tank (L)

25

25

25

Shaft Length (inches)

15 / 20

15 / 20

15 / 20

Shaft Length (mm)

381 / 508

381 / 508

381 / 508

Dry Weight (lbs.)

157

157

172

Dry Weight (kg)

71

71

78

Operator Warning System

Low oil pressure, overrev, overheat

Low oil pressure, overrev, overheat

Low oil pressure, overrev, overheat

Available Propellers

Consult propeller guide

Consult propeller guide

Consult propeller guide

CARB Star Rating

N/A

3

3

Warranty

N/A

3 years

3 years