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Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5045884 03/17/19 12:56 PM
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Degreaser Offline
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I'm not aware of any difference between Rotella T4 15w40 and T5 15w40 semi-syn blend,, I mean, T4 has the JASO MA markings on the jug sure, and not so for T5, but to me it seems like it's only about the marketing of a product, and to me both are the same oil, well ok maybe the T5 gets steam cleaned a bit more in the burners than the T4 does and thereby can name the T5 as a semi-syn, dunno, but to me it's all about the marketing of the products, I mean these big oil companies don't really see the motorcycle market as their main market focus right? it's just their niche market, to me anyways, and they already have a T4 marked as JASO MA and the T6 is JASO marked also, so what do they actually benefit from the extra efforts and associated costs of marking the T5 jugs that too? my point is I don't see any harm in using a T5 in a shared sump motorcycle, but i'm open to learning, my 3 cents worth


Canada
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5045896 03/17/19 01:06 PM
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Degreaser Offline
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actually, I would not be shocked at all to find out that this new Rotella T6 15w40 is a re-jugged T5, ok flame suit on

Last edited by Degreaser; 03/17/19 01:07 PM.

Canada
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: Degreaser] #5046104 03/17/19 05:53 PM
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ZeeOSix Offline
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Originally Posted by Degreaser
actually, I would not be shocked at all to find out that this new Rotella T6 15w40 is a re-jugged T5, ok flame suit on


If it was the same exact oil as T5 which meets JASO, then T6 would also meet JASO and have it marked on the bottle. Apparently they either didn't bother to test T6, or they did test it and it didn't pass the test requirements.

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ZeeOSix] #5046255 03/17/19 09:14 PM
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Bonz Offline
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Reality is the T5 15w40 doesn’t have a JASO MA rating. However, common logic shows and says it is an HDEO that meets the same specs as other HDEO’s that are JASO rated (I.E. it will work well). I ran it without an issue and others have as well. Guys get hung up on the rating, when from actual use and UOA comparison, it will be a great oil with no downside. For those guys, not using it would be a good decision in order to sleep at night. Others can use it and have a good oil that held up as well as anything based on my UOA.

Degreaser, based on actual use of T5 15w40, you are very correct to say it will work in shared sumps with no problems.

Motorcycles aren’t their main market, but they also know most guys can and will read between the lines. Shell is happy to take a good bit of $$ in sales away from motorcycle specific oils relatively speaking.

If the T6 15w40 holds up as well viscosity-wise and shift quality-wise as Mobil 1 10w40 4T did, over an almost 5000 mile OCI, I will be all over it as long as Z and P numbers are decent (1100-1200 Z, 1000-1100 P or better). Mobil 1 is not the least expensive or the most expensive MC oil, however if I have to change the new T6 every 3,000 miles because shift quality is falling off, the potential lower pricing means little.

Time will tell, look forward to an analysis from one of the early adopters.


Last edited by Bonz; 03/17/19 09:16 PM.
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ZeeOSix] #5046473 03/18/19 06:53 AM
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Originally Posted by ZeeOSix
Originally Posted by Degreaser
actually, I would not be shocked at all to find out that this new Rotella T6 15w40 is a re-jugged T5, ok flame suit on


If it was the same exact oil as T5 which meets JASO, then T6 would also meet JASO and have it marked on the bottle. Apparently they either didn't bother to test T6, or they did test it and it didn't pass the test requirements.


Not sure what you mean by this.. the first post of this thread "Sure enough its MA2 rated for our bikes. It may just what we have been waiting for"

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: krismoriah72] #5047061 03/18/19 04:09 PM
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ZeeOSix Offline
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Originally Posted by krismoriah72
Originally Posted by ZeeOSix
Originally Posted by Degreaser
actually, I would not be shocked at all to find out that this new Rotella T6 15w40 is a re-jugged T5, ok flame suit on


If it was the same exact oil as T5 which meets JASO, then T6 would also meet JASO and have it marked on the bottle. Apparently they either didn't bother to test T6, or they did test it and it didn't pass the test requirements.


Not sure what you mean by this.. the first post of this thread "Sure enough its MA2 rated for our bikes. It may just what we have been waiting for"


I was going by what Degreaser posted sbove, but got my comment mixed up. I should have said:

"If T5 was the same exact oil as T6 which meets JASO, then T5 would also meet JASO and have it marked on the bottle. "

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5047140 03/18/19 05:26 PM
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ad244 Offline OP
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Has anybody body else been using this oil yet?

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5047575 03/19/19 04:56 AM
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alarmguy Offline
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T6 15w40 available near me now.


14 Road King (current)
08 VStar 1300 Tourer
07 Suzuki C50
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5054566 03/26/19 10:28 AM
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So I finally ran this in my old Honda which is spec'd for either 10w-40 or 20w-50 depending on the weather and the bike runs better on this oil than T4 or T5 which it has always been a little rattily using. If your bike falls into this spec, give this oil a try.

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ZeeOSix] #5054681 03/26/19 12:55 PM
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I believe the JASO rating is up to the manufacturer...? I'm looking at a year old bottle of Mobil1 Vtwin with a outline of a Harley type bike on the front and JASO is nowhere to be found..


World's second fastest vintage Triumph 650, 133 MPH
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5074128 04/13/19 09:46 PM
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I bought thr 15w40 T6 and will be putting it in my bike next month. Last year i ran a 50 50 mix of 15w40 t4 and 5w40 T6


I'd buy Callahan autoparts if I could.
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5075730 04/15/19 12:06 PM
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Had slippage with my Ducati 696 using the T6 5W-40 synthetic. It was rated JASO MA2, but during WOT shifts, I'd get an RPM spike for each shift. It was very noticeable and my datalogger caught it. I dumped it out and went with M1 20W-50 V-Twin and it went back to normal. Now I'm running Castrol 10W-50 synthetic (JASO MA/MA2) and it seems fine.

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: metroplex] #5075905 04/15/19 02:43 PM
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Bonz Offline
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That oil is the recommended oil in the 2014+ BMW R1200RT, and used it flawlessly in the VStrom 1000 and ZRX1200. Clutch slippage with T6 5w40 is not par for the course with any bike or brand.

Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: ad244] #5075947 04/15/19 03:19 PM
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do y'all think this would stand up to 3500-4000 miles intervals in an air cooled, common sump, small displacement bike like I have...yamaha v star 250


'15 Jeep Patriot Sport (2.4L 4-cyl), '13 Genuine Buddy 125 (125cc air-cooled thumper), '14 Yamaha V Star 250 (250cc air cooled v-twin)
Re: Rotella T6 15w-40 Is JASO MA2 Rated [Re: kmrcstintn] #5076088 04/15/19 06:18 PM
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Bonz Offline
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Well, it would have as good a shot in that as in any bike I would think, but still is a shear down queen of oils. That small engine probably spec’d 10w-40 when it was new as well as a 3000 mile or thereabouts OCI.

I would run a 10w40 MC specific dino oil or a 15w40 HDEO and call it good. Air cooled engines have looser tolerances by nature and the oil is dirty with contaminants and has a lot more heat induced stress at times than a liquid cooled bike. Synthetic oils don’t make sense to me on a 3000 mile OCI. My 1980 XS1100 called for 2500 mile oil changes, and shifting was going away at that point anyway. Supertech 15w40 or 20w50 was a great oil of choice for many XS1100 owners.

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