Re: 12k service

[Colin Peterson <norton850@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Erik

My experience with dohc setups is limited to a Z650 and a GS550 way back
when, but: I used to do all my own maintenance on those bikes (you could
easily, in those days!), at the specified intervals, and I used to wonder
why I bothered with the valves. Every time I'd go through the performance of
taking the cam cover off, cleaning up, fitting new gasket and seals etc.,
and only about one time in ten would anything have changed: even then it was
usually only just measurable. God, I even used to keep notes on the
clearances! I imagine the difference between dohc setups, where the cams act
directly on buckets over the valves (IS that the Triumph scheme?), and other
setups, is that most of the wear and tear is kept away from the valves, in
the drive: with pushrods, for example, the cams are miles away from the
valves.

Colin Peterson
Brighton, UK

> From: Erik Miner <Axeis@xxxxxxxxxxxxxx>
> Reply-To: ST@xxxxxxxxxxxxxx
> Date: Wed, 24 Jan 2001 08:03:01 -0500
> To: ST@xxxxxxxxxxxxxx
> Subject: 12k service
> 
> Had my 12k service done, even through the bike only has 11K on it. I
> figured since it was in for the leaking fuel line fitting and I'm not
> doing much riding that I'd just get all of the servicing done before
> the weather gets good again, and I have to wait weeks for an
> appointment.
> 
> Anyway yesterday I stopped by the shop to see how they where coming (
> had been waiting for parts) when I spoke with the service manager and
> the tech they told me that the valves needed NO adjustment.. that
> they where all in spec ( was also told and shown, bike was up on the
> lift with the motor still open, NO wear at all on the cams and a
> super clean motor.. guess the Motul oil IS good stuff) I would have
> thought that in 11,000 miles of pretty hard riding they'd need
> adjustment. Has anyone else Not needed valves adjusted at the 12K
> service??  I can't imagine that if I'd waited for another 1,000 miles
> it would make any difference.
> 
> 
> Erik
> 
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