P-120sx Manual
#2
My Feedback: (41)
I believe that the SX engines came with the same manual as the others but my 160SX had a single page addition for the SX version. I would think your 120 is the same. Not sure where you'd find that but here's a link to the manual.
http://www.jetcat.de/downloads/manualp60p200eng.pdf
http://www.jetcat.de/downloads/manualp60p200eng.pdf