CYCLE GUIDE June 1981 Yamaha 759 Seca Honda CB750F Kawasaki KZ750 Suzuki GS750EX

Cycle Magazine February 1981 Yamaha Seca 550 Honda Motorcycling Engineering

Cycle World Magazine April 1981 Yamaha 550 Seca EX w/ML 022817nonjhe

FEBRUARY 1981 CYCLE MAGAZINE,YAMAHA 550 SECA,honda cr450r,suzuki gn400xx,AMA

1981 Cycle Magazine: Yamaha Seca 750 & 750 Virago Vee-Twin/Daytona Spectacular

1981 Suzuki RM125 Cycle Guide June 81 Honda XR250 CB750F KZ750 GS750EX 750 Seca

Rider - May 1981 - Motorcycling At It's Best - Vol 7 No. 8 - Yamaha Seca 550

Rider Magazine May 1981- Kawasaki KZ550A, Yamaha Seca 550, The Leanable Sidecar