Upon completing his very first custom build, a Yamaha XS650 street tracker, he immediately wanted ... deleting the stock parts in favor of modern upside-down alternatives from a Yamaha YZ250F.

1975 Yamaha XS650 Street Tracker = $1800 worth of parts By Maxx Biker Published Jun 8, 2010 Follow Followed Like Link copied to ...

They're not cheap-Yamaha street-trackers like this one start at ... Starting with a '77 Yamaha XS650 engine, Pollock added a JE 750cc big-bore kit along with a Shell cam and R/D valve springs.