Judder on clutch release

[Havoc]

Morning gurus. On the way in to work this morning I noticed the old girl has developed a bit of a 'judder' as you let the clutch out to set off in first. Now I remember something similar on my old GS thou 30 odd years ago but I can't for the life remember how I cured it. Suggestions. It's been stood 20 odd years so there are going to be niggles. The chain is ancient, but I checked there were no tight links and the sprockets aren't 'hooked' soI think it's in the motor. Ideas?

Ta

[wraith]

Oil/replace cable or maybe carbs.

[vizman]

DT’s ?

[vizman]

Even a bit of carb balancing might sort that Tom.

[mark35gun]

warped clutch plates?

[Havoc]

Thanks folks. Cable's good, new oil and filter. Carbs could do with a sync and balance, and a bit of DYNO time with the new pipe I guess.  I'm erring toward warped/stuck clutch plates after such a long lay up. Thanks

[BigT]

Don't forget to check for a loose clutch hub nut

[Askamaskinservice]

19 hours ago, Havoc said:

Thanks folks. Cable's good, new oil and filter. Carbs could do with a sync and balance, and a bit of DYNO time with the new pipe I guess.  I'm erring toward warped/stuck clutch plates after such a long lay up. Thanks

What oil you got?

[Arttu]

Also when checking the clutch it might be a good idea to check straightness of the hub and pressure lid. Some years ago I had persistent clutch judder problem that didn't go away by replacing the discs. Finally I found out that both the lid and the hub bottom had some warpage. Straightening them on a lathe fixed the problem.

[johnr]

Check the clutch nut is tight!