AWO SPORT / SIMSON 425SA complete restoration has been made to the motorcycle's original state. including the engine. Only original parts has been used during the restoration. The motorcycle has been only driven for 30 000 km before the restoration and is being stored in garage with perfect conditions since then. The motorcycle has been driven only by my grandfather who was caring for it as for his own child. then I took over to restore it. Please do not hesitate to contact me if you have any questions at all.