1981 Yamaha 550 Seca - Daytona Spirit, 750 Muscle

Road Tests: Yamaha XJ550 Seca, Yamaha YZ465H, Suzuki GS1100E, BMW R80 G/S; Features: Yamaha YZ465G Long Range Test; Byron Hines idea of a street machine has nothing to do with cruising; New Maicos for '81; Can-Am long-term report; Husqvarna for 1981; History: The Sunbeam Model 8 "TT" 350; Technical: Kawasaki KX420 Hop-Up; The shimmed valve adjust; Endurance Testing; more

XJ-550 YZ465-H YZ-465 GS1100-E GS-1100 R-80 R80GS R80-GS KX-420

1981 April Cycle World Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com

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