1971 Winter Motorcycle Sport Quarterly Special Racing Issue Book
1971 Winter Petersen's Motorcycle Sport Quarterly edited by Bob Greene. Special Racing Issue! Contents: Editorial; The Glory Trail; A Frame for Trackmasters; The Thumpers are Coming!; Suzuki's New Dirt Digger; Triumph Hotline for '71; BSA Comes Alive!; Off The Beaten Road; Baja Bullet; Race for the Record; Manning's Milwaukee Missile; Moto-Cross Madness; Superfork!; Mini's Race Too; The Commando - Roadster & Racer; Speaking of Speedway; Three of a Kind;...continued below...