I have a 1999 aprilia rs125 which seems to have developed a engine noise/rattle when it is idling however it seems to go when you pull the clutch in.
I ave recently had a problem were as i put the wrong oil in and it was smoking like a chimney but drained that out and put the right oil in and now ts stopped smoking.
The only other thing i have done recently is adjust the air/fuel mixture screws as the feul was in full and the air pretty much all the way out and someone told me that was wrong so i turned the air back in and release the fuel screw a bit and now it idles nice at about 1k revs. Since doing this i have also lost a lot of hurrible judering at around about 5/6k revs it rids so much better but now i have this noise.
I beleive the bike has the power valve activated and the rav box fitted. all in all its riding lovely just a bit concerned about the rattle. any ideas??