Suzuki DF25A
Suzuki DF25A

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Suzuki DF25A

OVERVIEW
State-of-the-Art designs make the new Suzuki DF25A the most technically advanced portable outboard on the market today.  This is the world's first 25 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 Suzuki DF25A 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!

 

Own The Best - Suzuki DF25A Outboard Wins The Innovation Award at 2014 IBEX Show

 

Suzuki Motor Corporation’s NEW DF25A four-stroke outboard motor have received the National Marine Manufacturers Association’s (NMMA) 2014 IBEX Innovation Award for outboard motors at the International Boat Builder’s Exhibition & Conference (IBEX).

IBEX Innovation Awards are the best awards in the marine technology, which are given to those new products in the marine industry that demonstrate distinctive technological advancements and deliver practical, cost-effective consumer benefits.

This is the eighth Innovation Award won by Suzuki outboards (of which seven were won by four-stroke outboards), which accredits their high technologies.

 

NEW GENERATION FUEL INJECTION SYSTEM     
(BATTERY-LESS FUEL INJECTION)

Fuel is supplied with Suzuki's Lean Burn Control system and a Battery-Less Fuel Injection system that gives these outboards 
remarkable improvements fuel efficiency while maintaining excellent power and performance.

 First In Class With Roller Rocker Arms

These are the first outboards in their respective classes to utilize a roller with internal bearings
on the cam slipper surface for both the intake and exhaust valves. The roller changes contact
between the camshaft and rocker arm from a conventional sliding action to a rolling action
reducing friction in rocker arm operation.

Offset Crankshaft

Positioning the crankshaft slightly off center of the cylinder reduces lateral pressure against
the cylinder wall as the piston moves up and down in the cylinder. The result is smoother 
piston movement, which improves operating efficiency.

Direct Intake And Engine Cover Ventilation

A new engine cover design provides the direct intake system with a smoother, cooler flow of air
boosting engine operating efficiency. This, together with a newly designed air cleaner 
allows higher power output from a small displacement.  The rotation flywheel helps reduce
temperatures inside the engine cover by venting warm air to the outside from the recoil cover, inner air intake, and engine upper cover.

 

 

 

 
LOWER EMISSIONS, EFFICIENT OPERATION

Suzuki's highly efficient four-stroke technologies produce lower emissions that allow outboards like the DF25A to conform to some of the world's strictest emissions standards*1 including the EURO 1 emissions Standards (EU Directive 2003/44EC)*2, and receive a three-star rating from the California Air Resources Board (CARB).

 

 

RECOMMENDED TRANSOM HEIGHT (INCHES) S:15" L:20"
STARTING SYSTEM Manual S /Electric S and L
WEIGHT LBS Manual S: 136.6 / Electric S: 143 - Electric, Tiller, Power Trim and Tilt L: 163
ENGINE TYPE SOHC 4-Valve
FUEL DELIVERY SYSTEM Suzuki Battery-less Electronic Fuel Injection with Lean Burn Control
NO. OF CYLINDERS 3
PISTON DISPLACEMENT INCHES (CC) 29.8 (489)
BORE X STROKE INCHES (MM) 2.80 x 2.68
MAXIMUM OUTPUT HP 25
OPERATING RANGE (RPM) 5000 - 6000
STEERING Tiller/Remote
CHOKE N/A - Suzuki Electronic Fuel Injection
OIL PAN CAPACITY QUARTS (LITER) 1.6 (1.5)
IGNITION SYSTEM Digital CDI
ALTERNATOR Manual 12V 14A / Electric 12V 14A
TRIM POSITION 5 Tilt Pin Positions/Power/Gas Assist
GEAR RATIO 2.09:1
STANDARD PROPELLER 3 x 9.25 x 10
PROPELLER SELECTION 9 - 15