29-05-13, 06:19 PM
+1 for the plugs, I had a similar problem, rough below 3k and normal above that, changed the plugs and made sure the caps were in good nick and DRY and pushed very fully home and then no probs normal serve was resumed 
Tommo
Tried the new GS liquid cooled and its great!

Tommo
Tried the new GS liquid cooled and its great!