DF20A EFI

State-of-the-Art designs make the new DF20A the most technically advanced portable outboard on the market today.  This is the world’s first 20 hp outboard motor designed with Lean Burn and Battery-Less Electronic Fuel Injection. The Suzuki EFI system operates Battery-Less, which is an industry first in this horse-power class. The DF20A is a smooth running “Next Generation” four stroke which delivers quick starts, great accelleration, awesome performance and superior fuel economy. Go Lean, Clean and Green, Go Suzuki!

Recommended Transom Height (inches) S:15″ L:20″
Starting System Manual S /or Manual-Electric S and L
Weight LBS Manual S: 97 / Electric S: 106 / Electric L: 108
Engine Type SOHC 4-Valve
Fuel Delivery System Suzuki Battery-less Electronic Fuel Injection with Lean Burn Control
No. Of Cylinders 2
Piston Displacement inches (cc) 20.0 (327)
Bore X Stroke Inches (mm) 2.38 x 2.24 (60.4 x 57)
Maximum Output HP 20
Operating Range (RPM) 5300 – 6300
Steering Tiller
Choke N/A – Suzuki Electronic Fuel Injection
Oil Pan Capacity quarts (liter) 1.06 (1.0)
Ignition System Digital CDI
Alternator Manual 12V 6A / Electric 12V 10A
Trim Position 5 Tilt Pin Positions
Gear Ratio 2.08:1
Standard Propeller 3 x 9.25 x 10
Propeller Selection 7 – 11
  • Battery-Less Electronic Fuel Injection
  • Easy Start – Recoil Starter
  • Lean Burn Control
  • Over-Rev. Limiter
  • Low Oil Pressure Caution
  • Digital CDI
  • Fresh Water Flushing System
  • Shallow Water Drive
  • Suzuki Anti-Corrosion System

Advantages

Model Name: DF20 Honda 20 Mercury 20 Yamaha 20
Manufacturer: Suzuki Honda Mercury Yamaha
Horsepower: 20 20 20 20
Shaft Length (Inches): S (15), L (20) S (15), L (20) S (15), L (20) S (15), L (20)
Weight (Lbs): M/S (97), E/L (108), E/S (106) S (104), L (110); add 8 lbs. for electric start S (115) S (115)
Cylinders: In-line 2 2 2 2
Valves Per Cylinder: SOHC 2 Valves Per Cyl. SOHC 2 Valves Per Cyl. SOHC 2 Valves Per Cyl. SOHC 2 Valves Per Cyl.
Valve Train Drive: Single overhead belt Single overhead belt Single overhead belt Single overhead belt
Displacement: 20.0 cu. in. (327 cc) 21.4 cu. in. (350 cc) 19.7 cu. in. (323 cc) 22.1 cu. in. (362 cc)
Bore and Stroke (Inches/mm): 2.38 x 2.24 in. (60.4 x 57 mm) 2.30 x 2.51 in. (59 x 64 mm) 2.40 x 2.36 in. (61 x 60 mm) 2.32 x 2.32 in. (59×59 mm)
Operating Range (RPM): 5300-6300 5000-6000 5250-6250 5000 – 6000
Induction System: EFI w/Lean Burn 1 carb 1 carb 1 carb
Starting System: Manual/Man-Elect Manual/electric Manual/electric Manual/electric
Lubrication: Wet sump Wet sump Wet sump Wet sump
Oil Tank Capacity: 1.2 qt. (1.1 lit.) 1.4 qt. (1.3 lit.) 1.8 qt. 1.1 qt. (1.0 lit.)
Ignition: Digital CDI CDI CDI CDI
Alternator: M/12V 6A, E/12V 12 A 6 A Manual Start 12A Electrical Start 12A 10 A
Trim Type: 5 Tilt Positions  2 Shallow Water 5 Positions 6 positions and Shallow Water 3 positions
Gear Ratio: 2.08:1 2.08:1 2.15:1 2.08:1/13:27
CARB Emissions Rating: 3-Star Ultra Low 3-Star Ultra-Low 3-Star Ultra Low 3-Star Ultra Low
Standard Propeller (Blades x Dia. x Pitches (Ins.)): 3 x 9¼ x 10 4 x 9¼ x 10 (S) 3 x 9 x 9 3 x 9¼ x 10½
Range of Avail. Optional Propeller Pitches: 7 – 11 Unknown Unknown Unknown
Steering: Tiller Unknown Unknown Unknown

DF20 Advantages

Over Honda
  • EFI with Lean Burn vs. Carburetor
  • Lighter weight: 97 lbs. vs 104 lbs.
  • Easier pull starting due to compression reduction system
  • Oil filter vs. none
Over Mercury
  • EFI with Lean Burn vs. Carburetor
  • Lighter weight: 97 lbs. vs 115 lbs.
  • Easier pull starting due to compression reduction system
Over Yamaha
  • EFI with Lean Burn vs. Carburetor
  • Lighter weight: 97 lbs. vs. 115 lbs.
  • Easier pull starting due to compression reduction system