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Posts: 14
Location: Southern Ontario | Hi guys this will be my first year winterizing my new suzuki 70 hp 4 stroke tiller. What is your step by step process to winterize. Hope everyone had or is having a productive fall. Thanks in advance.
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Posts: 14
Location: Southern Ontario | My apologies i missed the previous post about winterizing of 4 stoke below. I guess a second question would be do any of you guys with 4 strokes fog your engine? Thanks. |
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Location: Eastern Ontario | Change your lower unit oil, change your oil and filter, stabilize your fuel tank and run your motor for 5 min. at 1500 rpm ( make sure your connected to a flushing hose attachment ) to get stabilizer into engine. Spray fogging oil into air inlet till motor smokes and shut down. Suzuki says to remove spark plugs and spray fogging oil into each cylinder ( being lazy i skip this step ) but my motor is never in storage very long. Store motor upright rather than tilted if possible. |
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Posts: 14
Location: Southern Ontario | Thanks horsehunter |
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Posts: 5874
| I wouldn't fog an EFI motor. |
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Posts: 14
Location: Southern Ontario | Shep - 11/16/2015 4:39 PM
I wouldn't fog an EFI motor.
Why would you not fog? |
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Posts: 32880
Location: Rhinelander, Wisconsin | No need to fog a 4 stroke. Sea Foam in the gas, run it some, make sure all scheduled maintenance is done, drain and refill lower unit, and put her away. |
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Location: Eastern Ontario | The guy asked about a Suzuki and my Suzuki manual says FOG that's what I'll go with.
Rebel if you don't have a manual for your motor have a dealer order you one about $35
Edited by horsehunter 11/16/2015 4:10 PM
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Posts: 32880
Location: Rhinelander, Wisconsin | Is your Suzi 4 stroker carbed? |
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Location: Eastern Ontario | NO its a DF70 fuel injected second one I have owned first was a 60 next will also be a Suzuki. I will never own another motor with carbs or a choke.
The manual actually has a diagram showing where to insert the spray tube of the fogging oil.
Edited by horsehunter 11/16/2015 7:42 PM
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Posts: 32880
Location: Rhinelander, Wisconsin | I have used Sea Foam in my carbed 50 Merc for years without fogging oil, and she fires up first tick of the key every Spring. I suppose if I was storing for a couple years, I'd fog her up, but my ride only is off the water for 4.5 months, and Sea Foam will take care of her for quite a bit longer than that.
I also owned one of those engines, and like the Suzi 70 quite a lot. Nice engine. |
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Posts: 1087
Location: Hayward, WI | As far as I know all outboard manufactures recommend fogging their 4 stroke motors. Some recommend spraying in the intake side others spraying a little in the spark plug hole. This isn't something that you will have problems then next year if you don't do it, but something that "could" cause issues in the long run IMO. |
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Posts: 688
Location: Already Gone | I have a Johnson 150 carbed 2 stroke that I fog soon when I winterize. SeaFoam whatever fuel is left first.
Have a few cold ones and reminisce about the season gone by. Make mental plans for next season.
It's not work, it's a ritual. |
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| I bought a used boat this summer and it came with a Suzuki 4 stroke, efi. The manual does say to fog for storage. However, when I spoke to the service manager at the dealership where it was purchased new, he hedged on whether it is really necessary. |
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Posts: 667
Location: Wisconsin | kjgmh - 11/17/2015 8:47 AM
As far as I know all outboard manufactures recommend fogging their 4 stroke motors. Some recommend spraying in the intake side others spraying a little in the spark plug hole. This isn't something that you will have problems then next year if you don't do it, but something that "could" cause issues in the long run IMO.
Fogging will keep the inside of your cyl walls/rings coated to aid in protecting them. It is a step to help with the long term health of your motor. As kj said, you won't notice in one year, but I am certain years down the road you will. Easy to do and cheap insurance to protect the guts of your motor.
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Posts: 667
Location: Wisconsin | sworrall - 11/16/2015 7:37 PM
I have used Sea Foam in my carbed 50 Merc for years without fogging oil, and she fires up first tick of the key every Spring. I suppose if I was storing for a couple years, I'd fog her up, but my ride only is off the water for 4.5 months, and Sea Foam will take care of her for quite a bit longer than that.
I also owned one of those engines, and like the Suzi 70 quite a lot. Nice engine.
Steve, I am with you on this, as the motor will start just fine, however, a small loss of compression each season is more likely as the cyl walls are scored, which more readily occurs in motors that sit for a even short length of time unprotected. Starting is not the issue, but in general, what I have seen is a loss in compression, thus overall performance of untreated motors. |
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Posts: 32880
Location: Rhinelander, Wisconsin | The engine is not unprotected. Check this out, please:
https://www.youtube.com/watch?v=CJ3pfwIgijk
We have another video coming that answers the engine storage questions further. My 50 HP is 13 years old, and runs like it is new. |
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Posts: 667
Location: Wisconsin | Oh, she will run great, and fogging does not need to be done. If you were to do a compression check on two motors yearly, one treated and one not, you would see a greater loss in the untreated. Good video by the way, and I am a big fan of seafoam and use it to treat my fuel.
Edited by Clammer 11/18/2015 8:31 AM
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Posts: 32880
Location: Rhinelander, Wisconsin | We covered this last year too. Sea Foam will protect the engine through the storage time. Unlike many other stabilizers, this stuff actually lubricates and protects the engine for storage. |
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Posts: 667
Location: Wisconsin | Deep creep for protecting engines during storage  |
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Posts: 32880
Location: Rhinelander, Wisconsin | If I am planning on moth balling an engine for more than a few months, Deep Creep is what I use. Good stuff. |
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Posts: 667
Location: Wisconsin | Sure is! |
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Posts: 1087
Location: Hayward, WI | I am pretty skeptical that a fuel additive will lubricate the cylinder for off season storage. If it has enough additives in it to properly coat a cylinder I think it would also cause issues with spark plug fouling during normal use. Gas is a solvent, fogging oil is sticky and coats metal. Mixing the two defeats the purpose. |
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Location: Eastern Ontario | If the manufacturer says fog and is probably the most knowledgeable source of information on THEIR motor and it only costs a couple of bucks and only takes couple of minutes why would you not fog. Suzuki says fog, for other brands follow your owners manual ( your warranty MAY depend on it).
I don't really care what you do but I think I will continue to fog.
Edited by horsehunter 11/18/2015 7:28 PM
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Posts: 688
Location: Already Gone | I think it's more than a few minutes...I usually figure that portion of the winterizing project as a 2 beer job.  |
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Location: Lake Geneva, WI | Steve- for the deep creep, that is what you would fog for longer periods of storage? Just spray that in the spark plug holes? Thanks
Mike |
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Posts: 32880
Location: Rhinelander, Wisconsin | kjgmh - 11/18/2015 9:07 AM
I am pretty skeptical that a fuel additive will lubricate the cylinder for off season storage. If it has enough additives in it to properly coat a cylinder I think it would also cause issues with spark plug fouling during normal use. Gas is a solvent, fogging oil is sticky and coats metal. Mixing the two defeats the purpose.
We had a major Sea Foam discussion last Fall; it does the job. Sea Foam actually coats the engine parts with a protective film; the video showed a burn test, etc. Also, running Sea Foam in the gas reaches the entire fuel system. Even if you fog, you should run the stuff. It's literally amazing what is does for our chain saws, augers, and other equipment.
Yes on the Deep Creep. One advantage; when I start next Spring, it will be immediate and no huge cloud of smoke. I also will not have to replace my plugs, which I usually have to do after using fogging oil.
Videos:
https://www.youtube.com/watch?v=3wMp2AT16mw [Burn test video]
https://www.youtube.com/watch?v=32eRt3cKalI
https://www.youtube.com/watch?v=CJ3pfwIgijk
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| I bought a used boat in August and it had a four stroke kicker on it. I started it and ran it several times, first to make sure it worked and a couple other times during the season just to keep everything moving. The last day I used the boat, I put sea foam in the gas, per the can's ratios. I ran the big motor getting to and from where I was going to fish, which should have gotten treated fuel through the system. Then I ran the kicker. I had been meaning to try motor trolling all year, so decided to use the kicker for an hour or so doing just that. After about 20-30 minutes I noticed the motor was running very smooth, and I think it had to be that the sea foam was working. I was not rough before, but after running the sea foam treated gas through it, there was an improvement. |
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