The Matchless G9 is a 500cc twin engine motorcycle. Supposed to be a very comfortable ride. Possibly the sweetest sounding Matchless G series twin will ever hear, this bike starts and runs so well it just wants to be ridden. It is a 1957 model with a certificated of ownership and some documented history. The last owner spent lots of time rebuilding this bike, which retains some of the original parts and many new parts including speedometer and ammeter. More specs and user manual of Matchless G9 you can see in next overview.