Wed May 21 11:13:14 1997 - Message No. 865
From: Michael Dipper

Subject: Re: Yet another question about motor oils


Hi,

On Wed, 21 May 1997 muehlberger@grz.co.at wrote:

> But I didn't find one specially for bikes! So I bought the newest (and most
> expensive) one, Mobil 1 full synthetic 0W-40.
> 
> Is this okay, or should I investigate further for a correct one??

I would recommend 20W-40. With the 5W-40 I used last year I had the
problem, that the engine "rattled" while idling (suppose at the
camshafts, aeh die Kipphebel). A dealer explained me,
that the origin would be, that the oil gets really hot in city traffic and
that the 5W-40 gets too fluid to get transported by the oil pump.
With the 20W-40 I use now, the problem disappeared completely. He also
said that 5W-40 is good for high RPM race bikes but not for the AT.
If you don"t like this explanation: Don"t flame me :-))))))
At least it helped and so I am happy !

Mixing of synthetic oils in general shouldn"t be any problem.

--- Micha ---

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 Michael Dipper   Mozartstrasse 25    Email: dipper@isd.uni-stuttgart.de
                  71640 Ludwigsburg     Web: http://home.pages.de/~micha/ 
                                      phone: +49-171-5324829
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dipper@normans.isd.uni-stuttgart.de