Oil question (forgive me) - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 22 Old 04-06-2004, 12:33 PM
DesertDave
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Oil question (forgive me)

Until I purchased my 'Strom, my other bikes all had dry clutches...BMWs and Guzzis, so auto oils were just fine.
I'm taking the advice in the article from Motorcycle Consumer News that says motorcycle specific oils are uneccssary and using standard auto oils are fine. I plan to use Valvoline semi-synthetic 10-40 every 2,500 miles.
My mechanic doesn't like the idea, but he wants me to buy this stuff at $11 a quart!!!

Don't mean to start a war; I would just like to hear what you guys are using and if my choice is okay.

btw, I did the first change @600 miles and used straight Valvoline 10-40 conventional for the break-in time. So far, the bike seems fine.
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post #2 of 22 Old 04-06-2004, 12:36 PM
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I did my 600 mile change, to simple 10w-40, at 600 miles too. I've got almost 1000 miles on the bike now.

I plan on changing the oil right around 4000 to full synthetic, then I'll change it every 6-8000 miles after that, changing the filter every time.

I'll use Mobil 1 automotive, probably 5w-30.
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post #3 of 22 Old 04-06-2004, 12:42 PM
DesertDave
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I'll use Mobil 1 automotive, probably 5w-30.[/quote]

Wow! A 5W-30? You don't think that's too thin?
 
post #4 of 22 Old 04-06-2004, 01:58 PM
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I don't want to start a giant debate but here is what I know.

Mobile 1 auto oil has friction modifiers in it to conserve fuel which MAY cause your clutch to slip [no I don't want to argue about this <G>].

The only Mobile 1 for autos which is OK to use is the 15W50. Have used it for 300 k miles in a variety of bikes.

I don't buy any bike specific oil because I think it's a rip off [no I don't want to debate ].

Bobb
post #5 of 22 Old 04-06-2004, 02:07 PM
kawidan
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none of the oils designed for a car engine are really supposed to be used in a transmission or clutch.the car never subjects the oil to the stresses present in a motorcycle engine or the rpm range of most motorcycles.before this does start a war,or some people's wisecracks about other's religion,look at it this way.pennzoil-breaks down at approximately 1,000 psi;motorcycle specific mineral-based oil breaks down at approximately 2,700 psi;golden spectro 4 semi-synthetic blend breaks down at approximately 10,200 psi.most of the motorcycle specific oils are made by the same companies and packaged for the big four as branded.many of the blends are similar in their durability ratings but you will find that one may shift a little better in your bike than others.what your local shop carries or suggests or even where the stuff is made can have a little to do with this choice as well.redline and spectro from usa,motul from france,and on and on.
post #6 of 22 Old 04-06-2004, 02:11 PM
Bobb_Todd
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none of the oils designed for a car engine are really supposed to be used in a transmission or clutch.the car never subjects the oil to the stresses present in a motorcycle engine or the rpm range of most motorcycles
.........................
Then why did Mobile 1 auto and plain old Castorl GTX score better than the motorcycle specific oils when tested ?

Bobb
post #7 of 22 Old 04-06-2004, 02:19 PM
hux
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uh oh.


All's I'm gonna say is that I've been using "Car" oils in every bike I've ever owned since I was 8 - all wet clutch bikes - and have never had a slipping clutch or an early failure.

I have heard, though, that you want to stay away from the ones with additives specifically for reducing friction because they could cause slippage...never tried or experienced it myself, just hearsay.

My strom gets Castrol GTX 10w 40, it shifts funny on anything else.

As Gump would say, that's all I have to say about that.

post #8 of 22 Old 04-06-2004, 02:20 PM
texbridge
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Desert Dave, you are an evil man. :evil: :twisted: :shock: :lol:
But to get back to the topic, you should be fine as long as you're careful not to get into a situation where you exceed 1000psi. Wouldn't want those "long-chain polymers" in your Valvoline to suddenly "shear".....
post #9 of 22 Old 04-07-2004, 02:00 AM
lady fisher
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We use Torco 4 Stroke and have for 30 years in all our bikes racer's or street . We have never had a oil related problem with these products. Pete
post #10 of 22 Old 04-07-2004, 10:47 AM
DesertDave
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Thanks, guys. I really appreciate you entertaining a most dreadful question. :wink:
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