Marine Engine Digest

The Magazine for Outboard Motor, Stern Drive and Inboard Afficionados

 

2 - stroke

v.

4 - Stroke:

 

Which is better?

 

Depending on whose numbers you believe, from 70 percent to 80 percent of all outboards sold are 4-strokes. Does that mean 2 -stroke outboards rate second best?

 

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Cutaway drawing  of Yamaha F225 four stroke outboard motor

Yamaha 225 horsepower  HPDI
 


 

Marine Engine builder Links

(go to the primary source).

 


 

Other Important Marine Engine Links

 


Marine Engine Profiles

 

Find background information on specific engine models. Click here to use our sitemap as a table of contents.



Mercury Marine's Made-in-China 40 and 60 hp outboard motors:

 

A VIDEO visit to Mercury Marine's Suzhou, China factory where 40 and 60 horsepower outboard motors are built to world class standards. more -
 

Yamaha's 350 Horsepower V-8 Outboard:


Yamaha Marine has introduced the most potent, production outboard motor ever, a 350 horsepower, 5.3L V-8. Why so much horsepower? - more -
 

Mercury Verado Update: New 300 and 200 Horsepower models:


Mercury has bumped up its supercharged Verado from a top rating of 275 to 300 hp. Also new is a 200 hp Mercury Verado light enough for flats and boats.

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do-it-yourself!

 

How to  diagnosis and repair outboard motors, stern drives and inboard  marine engines

 


PROFILE: Evinrude E-TEC  Direct-Injected two-Stroke OutboarDS:
Evinrude has reinvented the venerable outboard motor. E-TEC motors are available in a broad array of ratings.

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Honda's Unveils Future World Outboard Motors:


Honda’s newest motor is significantly more important than its horsepower rating. Its onboard computing power and sensors allowed engineers to tool a motor that melds brutal torque with enviable fuel economy. Here’s how they did it.

more

 

 

How to Choose and Use a Generator:
Gas versus diesel? How many kilowatts is enough? Who are the players? Find out here.

 more

Yamaha Marine F350 Outboard motor
Yamaha F350: 5.3L V-8:

 

Watch a Contender 36 Open rigged with triple Yamaha 350 hp V-8s smash and throw water . . .

Click here to see the video

 

Mercury Verado 300

 

Evinrude E-TEC

 

Honda BF90 outboard motor
Honda BF 90

Portable electrical generators
Honda e2000 Portable Genset

Portable GenSets:
Without shorepower  in the boatyard, make your own electricity for sanders, grinders and drills with a portable. - more -

 

Books in Print
Must-have repair manuals and more.

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TABLE OF CONTENTS:

A comprehensive listing of engine profiles and tips on choosing and using marine engines. - more -

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  do-it-yourself diagnosis and repair of marine engines

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