Well the battery was duff, had a couple of dead cells aparently. Took it out and although it did drop a couple of times it was about as much as i would expect as i turned everything on
It does seem a lot smoother now when the revs come down.
Just gotta find the audio instructions now
One other problem i have which i forgot to mention. If i change gear quickly i get a screech from what sounds like a pulley. It's as soon as the clutch bites i think, but it doesn't actually seem to slip and hasn't got any worse?