[Roy]

I had a similar situation with a TK12. For some reason the clutch was out of adjustment and the gap had opened up sufficiently for the spring to escape. It seemed like a disaster at the time, but I was able to recover it by cutting out the mangled section and refitting the remaining undamaged length, which was of course very much shorter than it should have been. I cannot recall the exact details because it was a long time ago, but although the spring had very few turns left, it worked fine. The gap needs to be adjusted very carefully (almost completely closed) so the spring cannot possibly escape again.

Do you think you have enough undamaged spring left to give that a try?

Best of luck with it.

Roy