WMR 1929 Models
Type TA8 200cc
Typ SA22 500cc (appears to be an OHC twinport or possibly fourvalve single.
Type TA10 300cc
Type TA16 500cc (appears to be a 500cc OHC single, single exhaust port)
Sat Feb 20 2010
zipperlen at web.de
Another german make
WMR 1929 WMR SA22 Supersport 500cm³
here are some more infos about the WMR.
The engine is a "K-Motor" 3-valve OHC doubleport with vertical timing shaft, designed and distributed by Richard Küchen and produced by Maschinenbau-Gesellschaft Heilbronn.
KMV Engines are featured in the engines gallery