im sure the rev counter used feking bend all the way arround nearlly its still fecking rapid im sure it had more not driven it prop for 18 months martin said check pump volt at full chat be good idea check pump pressure at fuel rail if i rememb rit there is atake of for this could try to put a dial tyre pressure gauge on it but by that im only fecking guesing ive allways kept serviced prop apart from plug gaps it might be a case of all these small fecking puppy dogs make one fecking big one