For sale my 1975 Stamm Rotax 500 GP. build in Switserland by Rene Stamm. It is an 2 stroke 2 cilinder with automatic transmision. I sell because i stop racing. Comes with the trailer that i always used . Also alot spareparts are in the deal. Also 2 engines 1x 500 and 1x 600 cc and a spare fairing. Price 10.000 euro ONO. Sidecar is in the Netherlands. For more info and pictures just send a email.