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Suzuki Outboards Tech Tips

Old 10-29-2016, 03:44 PM
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Default Suzuki Outboards Tech Tips

I am starting this thread for Suzuki owners to read on tech tips. If you have specific questions please do not post them here. If you have questions post a new thread in our forum and we will try our best to answer each of them.
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Old 10-29-2016, 03:44 PM
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What type of fuel should I use in my new Suzuki outboard?

The minimum octane rating that you should use in your new Suzuki is 89. We also recommend adding a fuel stabilizer if the boat is to be stored for longer than 2 months.

From Manual:

Suzuki highly recommends that you use alco-hol-free unleaded gasoline whenever possible,with a minimum pump octane rating of 89 ((R+M)/2 method)

Last edited by InternationalMarineMike; 10-30-2016 at 07:52 AM.
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Old 10-29-2016, 03:45 PM
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Are Suzuki 4-stroke outboards pre-filled with engine oil?

NO! Four-stroke Suzuki outboards are NOT filled with oil from the factory. You must add oil to the crankcase prior to use.
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Old 10-29-2016, 03:48 PM
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Does the lower unit come pre-filled with oil from the Suzuki factory?

Yes. The lower unit gear oil is pre-filled by the factory, however, you should check to ensure proper level before first use. To replace or add lower unit oil we recommend Suzuki Hypoid gear oil. We have this available with free shipping on our web site.
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Old 10-30-2016, 05:27 AM
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What do the Anodes do on my Suzuki outboard and when should they be replaced?

Anodes protect outboard motors from exterior corrosion

Anodes naturally corrode instead of the components they’re protecting

There can be up to 12 anodes (depending on outboard model) protecting your engine

Regularly inspect anodes and replace when 2⁄3 of the metal has been corroded

If anodes are not maintained or replaced regularly, galvanic corrosion will damage underwater aluminium components
(e.g. the lower unit)

Periodically inspect anodes to ensure they have not become detached or excessively corroded

Periodically clean anodes with sand paper to remove any surface coating that may reduce their effectiveness

Do not paint anodes as this will render them ineffective
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Old 10-30-2016, 05:31 AM
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Basic Care In Between Services for your Suzuki Outboard

Flush your outboard with fresh water after each trip.

Use a quality “ear muff” style flushing adapter that fits on the lower unit water pick-up (or flushing port when available), and run your engine at idle speed (in neutral) for at least 5 minutes to flush out any salt. Your owner’s manual will give you more information (including important safety precautions) on this procedure.


Wash and wax your outboard engine.

Careful washing with mild soap and water not only makes your outboard look good, but also removes salt and other deposits. An application of a good quality marine wax will help to seal and protect the finish against the sun and salt.

Touch up nicks and scratches in the paint.

Inspect your outboard frequently for nicks and scratches, places where corrosion can get started and spread. Touch up any superficial scratches with a colour-matched touch-up paint. On deeper scratches—especially where bare metal is exposed—use a top-quality metal primer first.

Store your engine out of direct sunlight.

The direct ultraviolet rays of the sun can damage the finish and deteriorate the exterior plastic and rubber components. For this reason, it is best to store your engine out of direct sunlight. If direct sunlight is unavoidable, keep the engine shielded with a top-quality, UV-resistant fabric cover while in storage.


Grease key points of your outboard engine.

Your Suzuki comes equipped with special grease fittings to lubricate and prevent corrosion at key points where the engine pivots and swivels. Using a grease gun, apply grease through these fittings regularly, as recommended in your owner’s manual. Also, periodically remove the propeller and apply a film of grease to the propeller shaft.


Replace sacrificial zinc anodes as recommended.

Outboard engines are equipped with zinc anodes which “sacrifice” themselves in order to protect other metal parts from corrosion. To keep working properly, however, these zinc anodes need to be replaced as recommended in your owner’s manual or once they dwindle to less than 50 percent of their original size.
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Old 10-30-2016, 06:29 AM
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So I should be using 93 octane fuel. Most fuel dock don't have that.
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Old 10-30-2016, 07:52 AM
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Added additional info.
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Old 10-30-2016, 08:17 AM
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Can you post a link to your forum/blog? Thanks
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Old 08-12-2017, 07:39 AM
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I was going to order engine and gear oil from your website. Do you still offer free shipping? Website was gonna charge me 10$
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Old 08-12-2017, 07:57 AM
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Originally Posted by InternationalMarineMike View Post
What type of fuel should I use in my new Suzuki outboard?

The minimum octane rating that you should use in your new Suzuki is 89. We also recommend adding a fuel stabilizer if the boat is to be stored for longer than 2 months.

((R+M)/2 method)
Should the motor be fogged? The manual dosen't say to fog them so I didn't, I just followed their procedure, it felt funny since I have been fogging my motors for years. Just wondering what your opinion is?
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Old 04-11-2018, 05:29 PM
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Default vst filter change?

hi mike,i have a 2012 suzuki df 175 with around 400 hr.s.i do my own maintainance,documenting the dates and what oli,parts used.i was wondering about when to replace the vst filter?i drain it now and then.ps,it looks like its in front,easy to get at.how much to have suzuki do it?thanks marc
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