Facts, Fables and Opinions

Differences between the years and models

 1929 
SERIAL NUMBERS
  • KJ or KL 28000 and up - Ballak #1
  • KL? The "Special" was announced in May 1930 - there were no 1929 KL's - Dave Hennessey
EXHAUST
GENERATOR
INTAKE VALVE
GREASE CUPS
  • Grease cups were added under the intake valve springs starting in August 1929. Dealers were urged to retrofit machines - Service 08-05-1929
  • Later announced as standard for 1930 models - Dealer #30-1
HORN
 1930 
SERIAL NUMBERS
GENERATOR
  • 1929-1930 KJ used the DU-7 - Steve Blancard and Steve Blancard
  • "The Splitdorf DU-5" - The 1930 Rider's Manual; However, general agreement is that this is a holdover from the De Luxe, as they shared the same Rider's Manual - Blancard, Ruiter, Hennessey.
WHEELS
CAMSHAFT
  • "A new camshaft gives quieter valve action and more efficient timing" - Dealer #30-1
  • Intake lift was reduced... - Hendry - Cycle 1954
CYLINDERS
 1931 
SERIAL NUMBERS
GENERATOR
  • "The new Hendersons are fitted with larger generators, ..." - Dealer #31-1
  • In 1931 the Auto-Lite generator replaced the Splitdorf until the end of Henderson production - Steve Blancard
  • Auto-Lites were phased in during 1931. Early had DU-7, late had Auto-Lite - Jay Zanetti
HEADLIGHT
  • "New headlamps" - Dealer #31-1 - colloquially known as "John Brown".
FRONT BRAKE
HORN