how can i fix my piaggio nrg mc3 dt 53 plate?
when i ride my piaggio nrg i can only open the revs quater the way and it only does 15mph tops and if i open the revs any further it starts killing the engine.spark plug is fine iv cleaned the carb and changed airfilter, petrol and oil and i have tried the air screw and idle screw but nothing helps. wot can i do?
coley, November 2008