Sports: RE: [DucatiST] Clutch Groan on Startup in 1st Gear

J-

Thanks for the feedback. I've had my ST2 since it was new in '99. Other than if the bike has set unused for weeks or months at a time, that is the only time it groans. And then it is present only the first couple of starts in 1st and then the groan goes away. Lately, its been a little more frequent. When I changed clutch fluid over the past winter it is possible I got some air in the system. I will bleed it and try it again.

Wayne

'99ST2

From: st2_owners@yahoogroups.com [mailto:st2_owners@yahoogroups.com] On Behalf Of Tropist
Sent: Monday, July 25, 2011 2:37 PM
To: st2_owners@yahoogroups.com
Subject: Re: [DucatiST] Clutch Groan on Startup in 1st Gear

Wayne, you're not a newbie so you probably already know how to diagnose this, so I apologize for the pop off response. Still, Duc dry clutches generally groan for two reasons: unnecessary feathering and air in the lines. Japanese bike riders tend to burn out Duc clutches until they realize that they can just load the clutch and then dump it and go, as high rev inline bikes require a lot more feathering to prevent wheelies and stalls. Your Duc clutch is more like and on/off switch unless you pony up for a racer friendly "feather clutch." Air trapped in the clutch lines will limit the clutch movement and cause a variety of issues, including groaning. Were it me, I'd bleed my clutch lines and then practice using my clutch either on or off, not in between.

J-

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