1978 American Motocross - Jim Gianatsis
Jim Gianatsis testing Bob Hannah's 250cc National and Supercrosso Championship winning Yamaha OW26.

Jim Gianatsis testing Bob Hannah's 250cc National and Supercrosso Championship winning Yamaha OW26.

Yamaha OW26-78 Bob Hannah's AMA 250cc National and Supercross Championship winning bike tested by Jim Gianatsis for Cycle News. With Jim Gianatsis, Keith McCarty, Bob Hannah at the home of friends J&R Flooring.

Jim GianatsisKeith McCartyBob HannahYamahaOW26250cc1978AMA SupervrososAMA outdoor National