Could be the phase sensor, ours used to 'stutter' and not rev or boost past around 3500rpm (ok if you changed up before then) phase sensor was knackered - wires all broken up - IIRC you need to gap them too (0.2 - 0.2mm) you could've disturbed it?
Z
Last edited by cabrio zo; May 9, 2009 at 07:54 PM.