I just had the 1000 mile service done on my 2004 Night Train last week. I
talked to the service manager about using synthetic oil but decided to stick
with mineral oil instead since I change the oil in my bikes at 2000 mile
intervals, anyway. I did have synthetic oil put in the primary case and
transmission, though. They don't actually recommend synthetic oil in the
owner's manual, but they do push it pretty hard when you have the service
work done.
Jim K
----- Original Message -----
From: "Bob Howard" <mgbob@juno.com>
To: <mvheim@studiolimage.com>
Cc: <mgs@autox.team.net>
Sent: Friday, July 30, 2004 2:54 PM
Subject: Re: Oil for Overdrive Transmission
> The Tecumseh is a four-stroke cycle engine, air cooled. Mobil says
> that the oil is stable at 465 degrees or so, though I don't know what
> that really means since I don't know the temp at which the air-cooled
> engine operates. Harley Davidson is said to be recommending it for some
> engines, though. Perhaps someone has some HD information to share.
> Bob
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