[Ducati] 748 suspension problem?

[m&m]

I'd start in back and crank up some preload and rebound.  The shock can be 
going south and as it goes up and down it will feel as you describe up 
front.

marko
----- Original Message ----- 
From: "John Sheerin" <jsheerin at hughes.net>
To: "Ducati Owners Group" <ducati at ducati.net>
Sent: Tuesday, August 01, 2006 7:31 PM
Subject: [Ducati] 748 suspension problem?


> Hi guys and gals,
> I have a '98 748 with around 17k miles, and it's recently started bouncing 
> a
> bit while I'm riding.  It basically bounces up and down, not a huge 
> amount,
> just enough to make it feel a little nervous, including in corners.    One
> ride it was fine, the next (and subsequent test rides), it bounced.  The
> frequency doesn't seem to vary much with speed - I'd put it around twice a
> second on the bouncing, but that's just a rough estimate.  Road condition
> doesn't seem to make a difference.  Pulling the clutch and coasting 
> doesn't
> seem to make any difference, and the brakes don't pulse when I use them, 
> so
> I'm assuming from that, it's not a drive train or brake problem, but 
> rather
> tires or suspension.  It also seems to be better when accelerating, so 
> maybe
> a front wheel / suspension problem?  I haven't hit anything that I know of
> (potholes, curbs, etc.), and I don't see any flat spots on the tires or
> rims, but I'm planning on checking more closely.  The front and rear
> suspension doesn't seem to stick when I bounce on the bike in the garage,
> but I suppose that doesn't mean anything given my level of experience with
> these things...  I looked at all the nuts and bolts - everything's tight. 
> I
> don't see any spots where wheel weights have obviously been lost, and I
> still have a decent amount of tread on both tires.
>
> Some of the guys I work with suggested checking the fork oil (I haven't
> noticed it leaking...) and making sure the swing arm is greased.  Could
> anyone recommend other things I might look at?  Where would you start?
>
> Thanks,
> John
> http://ldsg.snippets.org/HORNS/
>
>
>
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