Nice to know that its official.
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-----Original Message-----
From: Jason <[email protected]>
Sender: [email protected]
Date: Mon, 16 Apr 2012 15:05:57 
To: <[email protected]>
Reply-To: [email protected]
Subject: Re: [Nighthawk Lovers] Re: Oil

>From Dr. Wikipedia -
Motorcycle usage

Though marketed as an engine oil for diesel trucks, Rotella oil has found
popularity with motorcyclists
<http://en.wikipedia.org/wiki/Motorcycling>as well. The lack of
"friction modifiers" in Rotella means they do not
interfere with wet clutch operations. (This is called a "shared sump"
design, which is unlike automobiles which maintain separate oil reservoirs
- one for the engine and one for the transmission). Used oil analysis (UOA)
reports on BobIsTheOilGuy.com have shown wear metals levels comparable to
oils marketed as motorcycle-specific.
JASO-MA

JASO<http://en.wikipedia.org/wiki/Japanese_Automotive_Standards_Organization>is
an acronym that stands for "The Japanese Automotive Standards
Organization." Among other things, they set standards for oil to be used in
motorcycles.

Shell Rotella T 15W-40 *conventional* oil now lists on its packaging JASO
MA as one of the specifications it meets, as does the Rotella website
product page:

Note that the 10W-30 conventional oil does *not* list JASO-MA.

The newer fully synthetic T6 5W-40 oil also lists JASO-MA compliance on its
packaging and on the Rotella website.

Jason



On Mon, Apr 16, 2012 at 5:10 AM, Allen Thomas <[email protected]> wrote:

> Good article, except for the fact that they forgot the most important
> reason to not use car oil. That is additives that will reduce friction in
> your clutch. I personally ruined a perfectly good clutch by running Mobil 1
> high mileage. I had previously used Mobil 1 with no ill affect, so I think
> that is safe, bottom line is that when they are formulating car oils they
> don't need to worry about wet clutches. So if you choose to use car oil you
> need to know it is safe for your clutch, and the formula used in any
> specific car oil could change with out notice. I personally don't have any
> issues with running diesel oil, which doesn't have restrictions on
> phosphate levels, since diesels don't have catalytic converters.
>
> On Mon, Apr 16, 2012 at 12:57 AM, Mt.-n-Man Chia Bar 
> <[email protected]>wrote:
>
>> Here is a great artcal on oils
>> http://www.nightrider.com/biketech/oiltest1.htm
>> But as always the decision is yoursd and yours alone on what oil you
>> use
>>
>> On Apr 14, 11:31 am, Fred <[email protected]> wrote:
>> >   Hi, I bought a 1986 Honda Nighthawk 450.    I am going to change the
>> oil.
>> > Should I use Motorcycle oil, Standard car oil, or Synthetic motorcycle
>> oil,
>> > or synthetic car oil,?    The bike has 15000 miles on it and it runs
>> well.
>> > Thank you for your help.             Fred
>>
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