hello very1 need bit of help. how is very1 tday!? when i throttle my scoota is judders real bad my joints hurt. when i go 0 - 30 mph it juddas think it be ok for couple of months? i think its the belt i washed unda my scoota with a jet hose and started doin this i think this is bad idea. i ave a piaggio fly 125 dne 30000km.