[Author Index]
[Date Index]
[Thread Index]
[Date Prev][Date Next][Thread Prev][Thread Next]
RE: [ST] Mobil 1 15W-50 SuperSyn Oil
- Subject: RE: [ST] Mobil 1 15W-50 SuperSyn Oil
- From: "Big Riff" <big_riff@xxxxxxxxxxx>
- Date: Mon, 09 Aug 2004 09:41:41 -0400
Not sure if this helps you, but I've been using Motul 5100 for the last
three seasons. It is JASO MA rated, and I think API SG rated as well - no
clutch slippage at all.
John in NJ
'01 BRG ST
>At the outset I'd like to state that I'd prefer that this does not evolve
>into another full-blown oil thread. Specifically I'd rather not receive
>everyone's opinion as to which is the best oil to use. I do, however, wish
>to poll the listers for some specific oil information.
>
>My goal is to determine, if possible, whether the Mobil 1 15W-50 SuperSyn
>full-synthetic oil ('red cap') that is available from WalMart, will cause
>any clutch problems on our bikes or not.
>
>I already know that this oil is NOT labelled as 'EC' or
>'energy-conserving', which normally is a good thing, and means that it
>doesn't contain friction modifiers that can cause wet clutch slippage.
>However, in addition to the API SH rating (which is also a good thing),
>this oil is also rated API SJ.
>
>From an online document that I read recently:
>
>"All of us motorcycle specific oil manufacturers have always stated not to
>use automotive oil in motorcycles. As of late everyone is now saying that
>too including: magazine editors, automotive oil manufacturers and OEMs. It
>all started with the introduction of API SJ rated motor oils. The Energy
>Conserving specs do not allow the use of certain anti-wear materials like
>zinc for instance. So to make up for those missing anti-wear ingredients
>they add Friction Modifiers and these are known to make wet clutches slip.
>API SJ is fairly new and already JASO has stepped in with their MA and MB
>certifications because of the large problems that the API SJ ratings have
>caused in regards to wet clutch slippage."
>
>There's no 'EC' on the jug of non-Triumph Mobil 1 that I have, yet it is
>API SJ-rated ...... hmmmmm.
>
>Enter the JASO MA spec, which apparently only relates to the clutch
>slippage issue. If you check the latest documentation from Triumph, only
>oils that meet the API SG or SH AND the JASO MA designation are
>recommended. The Mobil 1 15W-50, SuperSyn, full-synthetic oil ('red cap'
>from WalMart) does NOT carry the JASO MA designation. So thus far it
>appears that this oil could become a problem.
>
>It almost seems to me that the inclusion of JASO MA in the motorcycle
>recommendation could be just an attempt to further qualify an API SJ-rated
>oil. In other words, if the oil in question happens to be SJ-rated (in
>addition to SG or SH) AND it is JASO MA compliant, then it will be ok to
>use in a motorcycle with a wet clutch. Still it seems that Triumph has
>been careful not to mention the SJ rating at all. BTW, has anyone actually
>looked at a jug of the Triumph-branded stuff to see if it is actually
>stamped 'MA'? Someone recently suggested to me that it isn't, which
>struck me as a bit ironic.
>
>Now this could mean that Mobil hasn't (for whatever reason) submitted this
>oil to determine if it will meet the JASO MA spec (it is, after all, a
>Japanese spec), but it could also mean that it DOESN'T meet the spec. It
>could also be that Mobil doesn't want to interfere with the sale of the
>motorcycle-specific, and hideously-expensive, Mobil 1 that is only
>available through dealerships.
>
>It is my understanding that a number of Sprint listers are already using
>this WalMart-variety oil without any apparent clutch-slippage problems. So
>I would like to get some idea of how many people actually use this cheaper
>Mobil 1 oil, and of the time period that they have been using it.
>
>Thank you for having the patience to wade through all this.
>
>Neil
>
>
>
> * * * * * * * * * * * * * * * * * *
> * The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
> http://www.TriumphNet.com/st/lilley for more info
>http://www.TriumphNet.com/st for ST, RS and Mailing List info
>
_________________________________________________________________
FREE pop-up blocking with the new MSN Toolbar ? get it now!
http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/
* * * * * * * * * * * * * * * * * * *
The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
http://www.TriumphNet.com/st/lilley for more info
http://www.TriumphNet.com/st for ST, RS and Mailing List info
=-=-=-= Next Message =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=