Synthetic oil after using conventional oil? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 10 Old 05-11-2009, 02:19 PM Thread Starter
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Synthetic oil after using conventional oil?

Someone told me that I could not change to synthetic after using conventional oil because it would cause my bike to smoke.

Any truth to that?
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post #2 of 10 Old 05-11-2009, 02:21 PM
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nope, not to my knowledge. dino to synth, synth to dino, no problems.

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post #3 of 10 Old 05-11-2009, 03:08 PM
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They get that from putting it in old almost worn out engines. The synthetic is slippery stuff and so tends to get by things like rings and seals etc easier than dino oil. so if you put it into an old engine, you might wind up using lots of it. Or burning it, or leaking it etc.
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post #4 of 10 Old 05-15-2009, 01:06 PM Thread Starter
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I just changed over to Mobil 1 15W50 Synthetic.

Engine has not started smoking yet!

2004 Silver V-Strom 1000 & 1994 Yamaha XT600

Farkles? Sargent Seat, Genmar risers, K&N filter, cramp buster, heated grips, PCIII, Givi Engine Guards, Givi Hard Bags 52 liter and two 45 liter, Givi shield with spacers for buffeting.

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post #5 of 10 Old 05-15-2009, 04:59 PM
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It its a common misconception that synthetic oils are "slipperier" than conventional oil. It is inherantly no slipperier than any quality dino oil. Synthetic oil is manufactured using a man-made base stock. Each and every molecule, unlike conventional oil, is identical in size and smaller than those found in dino oil. This in itself provides a much more even and complete lubrication film. Dino oil also has inherant impurities which are left in it after the refining process.

With synthetic oil, any weight/viscosity oil can be manufactured, resulting in oil weights tailored to suit any application.

Another myth is that synthetic oil will cause oil leaks. Not true. You may end up with some minor leakage (more of a weepage actually), where you did not using dino oil, this is due to the smaller molecules finding places to leak out that the larger molecules of dino oil wouldnt. So, while the synthetic did not cause the leak, it mearly "found" a place to leak out (6 of one, half a dozen of the other perhaps?). There are no solvents in synthetic oil that can eventually break down seals, gasket or o-rings.

This is the same reason that a tired engine may actually smoke once switching over to synthetic oil. The oil didnt cause the smoking as such to develop, it is the smaller molecules getting past worn rings, cylinders, valve guides, etc.

To provide further information, I have included this link, I think you will find it informative and beneficial.

http://www.ask.com/bar?q=Manufacturi...hetic_oils.htm

Cheers

ps: I should add that I have been using sythetic in my Wee since the 9,000km mark. I have used Mobil1, Amsoil and now Kawasaki synthetic (changes in brands were due to availability in my area and the fact that Amsoil jacked up there prices about 30-40% over this winter)

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Last edited by rcacs; 05-15-2009 at 05:07 PM.
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post #6 of 10 Old 05-15-2009, 09:55 PM Thread Starter
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Quote:
Originally Posted by rcacs View Post
It its a common misconception that synthetic oils are "slipperier" than conventional oil. It is inherantly no slipperier than any quality dino oil. Synthetic oil is manufactured using a man-made base stock. Each and every molecule, unlike conventional oil, is identical in size and smaller than those found in dino oil. This in itself provides a much more even and complete lubrication film. Dino oil also has inherant impurities which are left in it after the refining process.

With synthetic oil, any weight/viscosity oil can be manufactured, resulting in oil weights tailored to suit any application.

Another myth is that synthetic oil will cause oil leaks. Not true. You may end up with some minor leakage (more of a weepage actually), where you did not using dino oil, this is due to the smaller molecules finding places to leak out that the larger molecules of dino oil wouldnt. So, while the synthetic did not cause the leak, it mearly "found" a place to leak out (6 of one, half a dozen of the other perhaps?). There are no solvents in synthetic oil that can eventually break down seals, gasket or o-rings.

This is the same reason that a tired engine may actually smoke once switching over to synthetic oil. The oil didnt cause the smoking as such to develop, it is the smaller molecules getting past worn rings, cylinders, valve guides, etc.

To provide further information, I have included this link, I think you will find it informative and beneficial.

http://www.ask.com/bar?q=Manufacturi...hetic_oils.htm

Cheers

ps: I should add that I have been using sythetic in my Wee since the 9,000km mark. I have used Mobil1, Amsoil and now Kawasaki synthetic (changes in brands were due to availability in my area and the fact that Amsoil jacked up there prices about 30-40% over this winter)
From someone with over 139 K kilometers on their bike that means something! I am using synthetic from now on.

2004 Silver V-Strom 1000 & 1994 Yamaha XT600

Farkles? Sargent Seat, Genmar risers, K&N filter, cramp buster, heated grips, PCIII, Givi Engine Guards, Givi Hard Bags 52 liter and two 45 liter, Givi shield with spacers for buffeting.

[SIGPIC][/SIGPIC]
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post #7 of 10 Old 05-15-2009, 10:26 PM
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Just to muddy the waters a bit. A friend of mine years ago switched to Amsoil in an old wore out Chevy small block. Developed no leaks and cut oil consumption by half. Go figure.

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post #8 of 10 Old 05-16-2009, 11:34 AM
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Kawasaki synthetic oil

Kawasaki synthetic oil is cheaper that the other brands of synthetic oil like amsoil and mobil, but in fact kawasaki not use a true synthetic base oil to produce his oil, it's a petroleum base oil not as performant as ester or PAO base oil. Since 1999 any oil manufacturer can name engine oil as "synthetic" cause the name reflect only the oil propriety and not how it made. I put Kawasaki synthetic oil in my V-strom this year, but after I read carefully on the bottle, it's write "contain potroleum". Next time I will use Mobil synthetic 15W50, a true ester base synthetic oil.
Here is a link about motorcycle oil, extremely interesting to read!!!
www.calsci.com/motorcycleinfo/Oils1.html

good reading!

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post #9 of 10 Old 05-16-2009, 09:18 PM
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Good points. I did some more research and found that although you can buy an oil advertised as 100% synthetic (such as the Kawa oil, made by NOCO lubricant company), there can be, and more than likely is a very small componant of petrolium oil in the mix.

The "100% Synthetic" relates to the Base Oil or Base Stock, it and only it (the Base Stock) is synthetically made.

The "exclusive of carrier oil" means that the Carrier or the Process Oil that is used to "carry" the additives is not synthetic oil and therefore, the final product (Motor Oil)
is NOT 100% Synthetic, even though the Base Oil is 100% Synthetic.

All motor oils contain additives that provide extra protection against wear, corrosion and engine deposits. These additives are usually high molecular weight materials sometimes even solids. Conventional carrier oil is used to make these additives soluble. All motor oils will contain some of this carrier oil, usually only amounting to a small percentage of the finished product.

At any rate, the huge increase in the cost of Amsoil (which I was buying at the local Canuck Tire) turned me right off of what I felt was a very good product. I just didnt feel like coughing up 20 clams for a 946ml container of oil. I bought a case of Kwacker oil at the local dealer for 8.99 a litre.

Cheers

K5Wee in Kanada (285,500 KM and still going strong)
IF YOU WON'T STAND BEHIND OUR TROOPS.....FEEL FREE TO STAND IN FRONT OF THEM
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post #10 of 10 Old 06-16-2009, 08:14 PM
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It's all oil smoke and mirrors.

"Build a man a fire and he'll be warm for the night. Set a man on fire and he'll be warm for the rest of his life." - Confuseus
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