Have a look here :
http://biker.net/70-73_650_parts/xs1%20parts%20main.html
http://www.biker.net/650_models2_index.html
Is exactly what foy says , but i guess this might be useful.
And another look here :
http://www.650motorcycles.com/XS650yearID.html
http://www.motorradlack.de/
La verdad , ¡¡ impresionante , Jamax !! (Awesome !! )
Si podés sacale una foto desde atrás , y otra de frente. ( take a photograph of the front , and another one of the back)
Terrible máquina. (terrible machine)
On July 15th , Yamaha has patented an inline-four intercooled and turbocharged diesel engine, and a V2 also.
Take a look here :
http://hellforleathermagazine.com/2009/07/...diesel-mot.html
Clic on the document , is really fantastic.