Busted Piston Two Days Trial
Potosi, MO  April 7-8, 1973

Overall winner
Jack Penton


0-125cc Gold
Les Grable
Jim Hollander
Billy Uhl
Jeff Penton
Gary Edmond
Paul Danik

126-250cc Gold
Ron Bohn
Malcolm Smith
Don Cutler
Tom Clark
Frank Piasecki, Jr
Carl Berggren
Bob Fielding
Gerry Pacholke
Gordon Razee
Don Stover
Jerry Yoder
William Russell
Lane Leavitt
Shelby Funderburk

251-Open Gold
Ed Schmidt
Dick Mann
Bob Derrick
Jim Simmons
David Charleville
Frank Diaz
John Greenrose

0-125cc Silver
Rod Bush
Joe Barker
Jim Welch
Richard DeGraw
John Herrel
Mike Rosso
Terry Belk
Ron Jeckel
Ed A. Schmidt
Alan Rowe
Jimmy Jones

126-250cc Silver
Virgil Davis
Charlie Vincent
Michael Shinners
Ron Lamastus
John Burch
Tom Canning
Robert Caplinger
Jeff Anderson
Berry Chodak
Dave Latham
Edward Ortone
Harmon Carroll
Ralph Griffin
Bernard Slack

251-Open Silver
Gary Surdyke
Dave Mungenast
Dave Eames
Jim Sparkes
Alan Mathwig
Jim Crawford
Gary Reynaud
Jeff Hammond
Stan Rubottom
Robert Brooks
Ken Harvey
Michael Casper
Richard D. Smith
Joe Slezak
Steve Hall
Jerry Dugan
Gerry Green
Frank Piasecki
James Nash

0-125cc Bronze
Mike Hecktman
Marty Johnson
Jack W. Straub
James McBride
Walter Kirtland
Karol DeGraw

126-250cc Bronze
Larry Jones
Robert Atherton
Bobby Thomas
Robert Fay, Jr.
Ed Avery
William Saltzman
Robert House
Clarence Bonifacius
Robert Power
Charles Donaldson
James Morabeto

251-Open Bronze
Rich Slezak
Stanley Lowe
Harvey Abel
Arlie Abbott
Gary Blair