Aprilia scooter sr50

[464jim]

Help. if i try to rev the scooter with the back brake on it will not rev or if i sit on her it will not pull away , i know it has good compresion and there is no rattles , if i rev it on the stand its fine, wat am i missing

Regards jim

[mad4motion]

I have the exact same problem,have changed clutch,belt,carb,variator,sparkplug and nothing has changed. im baffled and garages has not been able to assist without me handing the bike and a wad of cash there way,which i dont want to do as i feel its only something simple.can you let me know if you have any success please many thanx.