he set my piper cam up an rr it, then said i needed new rocker cover/ cap an petrol cap, said he cud smell a slight smell of petrol from engine bay but cudnt work out were it was comin from, he didnt mention anythin bout my bottom end but my mate had few goes in it an said it needed 1 soon, cuz wen i pull off in 1st slowly an keep revs@2000-3000 rpm an in secound gear also it makes a clonkin/knockin/diesel-ish noise (completely diff noise 2 wat i was onabout in earlier post) its not loud an doesnt affect performance