Link attached to a nice post by Leo Keller on the KTM blog.
http://blog.ktm.com/inthisyear1975-heino-buese-is-best-individual-rider-at-the-six-days-trial-at-the-isle-of-man/
Dale Fisher
Penton Owners Group - President/Memberships
Mudlark Registry
Facebook - Cheney Twinshock Racing Group - Administrator
'70 Six-Day 125 - V2017
'71 Six-Day 125 (Dave Fisher's) - V5553
'72 Mudlark - W257
'73 Jackpiner - 175 21159727
'74 Berkshire 100 - 40171056
'98 HP-14 Hi-Point
And some silly other bikes...