1975 Yamaha MX400B Monoshock motocross test

Road Tests: Yamaha MX400B Monoshock, Honda TL-250 Trials, Kawasaki 903 Z-1B - King Kong of Superbikes; Technical: Snakebite for the Yamaha RD350 -the 12 second Denco Cobra; Replacing Honda CB750 Fork Seals; Competition: Astrodome '75; Feature: The Painfulness of the Long-Distance Sprinter - Duck-ing across the planet; more

MX400-B MX-400 TL250 Z1B Z1 Z-1 RD-350 CB-750

1975 May Cycle Guide Motorcycle Magazine Back-Issue - Yamaha available at www.DadsVintageAds.com