Walksler's Period Modified 1929 or Older

Period Modified Requirements

Riders must be 18 years or older and have participated in at least 3 vintage circuit races prior to this event registration.  Please provide the name, location and date of the last 3 races you participated in.

All Racers Must Wear:

o   All vintage racers must wear period correct riding gear including:

§  Helmet

§  Jersey – preferably black (no bright colors)

§  Boots

§  Gloves

§  Pants

§  Eye Protection

o   Submit a picture of yourself in your riding gear to be considered for the race.

Period Modified Motorcycle Requirements


  • 1929 or older American made Motorcycles.


  • Period Carburetors. Linkert, Schebler or other factory or period (1929 and older)    carb. Absolutely NO LATE MODEL CARBURETORS… No Mikuni, S&S, etc.


  • Harley-Davidson– OEM Rigid. Indian– OEM Rigid Other American brands– OEM frames


  • Period Forks. Harley Springer, Indian Girder or Leaf Spring


  • No Lights


  • Period timers, distributors and magnetos.


  • Period transmission. No blatantly late model or aftermarket transmissions. No direct drive.


  • Period Hand Shift, Foot Clutch – no “Jockey” style ratchet lids, no aftermarket chopper style clutch pedals, no “Cheater” hand clutch
  • Harley-Davidson – Tank shift
  • Indian or other American Motorcycle – Tank shift or Factory off the transmission


  • Period Mechanical Drum– No disk brakes, or modern hydraulic drum brakes
  • No front brake


  • Period wheel and hubs – No late model hubs, No Aluminum Wheels


  • Period Tires with Period Tread – Aggressive OK (i.e. Grasshopper, Firestone ANS, etc.) Absolutely NO MOTOCROSS KNOBBIES, paddle style, or modern tread tires permitted


  • Period style paint that emulates the time period. No late model tank graphics, emblems, etc. Bikes can be shiny or crusty as long as they are Period Correct. No blatant “Rat Rod” style paint jobs please.

Number Plats or Painted Numbers:

  • Period Number Plates with racing number clearly visible on both sides of the bike and front fork (if possible). Period style number plates, No yellow plastic Motocross plates with zip ties.  Paint or shoe polish on both sides of the gas tank is OK if you can’t do plates.