The lightest engine for its power yet constructed for a motor bicycle. The carburetter fitted is a Claudel

The 20 h.p. flve-cylindered Esnault-Pelterie engine fltted to a pacing machine. The total weight is 330.1bs.

Image made available thanks to Boston City Library. Published in The Motor Cycle, June 3rd, 1908. Page 433

Esnault