On Fri, 11 Feb 2005 13:45:14 +0000, Mark wrote:

Is there any additive that would make an improvement or have I got to live with it?

You could try oil. Have you actually _checked_ the levels on the
gearbox oil ? Apologies if you already have, but you'd be a rarity
if you did so.

Molyslip wouldn't hurt and is easy enough to do. It'll help with tooth
wear, but does nothing if the ballraces have started to crumble.