From a press release:

Rich Oliver’s Mystery School invites you to its first monthly Open Flat Track Day.

Rich Oliver’s Mystery School in Auberry, California invites you to its facility for a full day of open riding on Sunday, February 1, 2004.

Following a brief rider’s meeting at 9:00 a.m., the tracks will be open for practice. Following lunch, two group sessions of a maximum of eight riders will participate in a series of racing on the small oval, big oval and TT tracks.

Pre-enrollment is required and only 16 people will be accepted on a first come, first serve basis. People can enroll by completing an enrollment form found on www.richoliver.net and faxing it to (559) 855-3087 or by sending the required information via email to [email protected], attention Karin.

Only Mini Bikes with a maximum engine size of 150cc will be allowed to participate. Bikes must also have stock pipes (no exceptions).

No rear knobbie tires are allowed. Rear tire can only be dirt track class C, rain tire, or trail wing style. Front tire open traction.

Riders must have full protective gear.

Additional details:
-Tracks maintained and watered throughout the day.
-No motocross riding will be permitted.
-Riders to provide their own lunch, drink, fuel, and maintenance tools.
-Release waiver required upon entry to the facility.
-Map and directions furnished following
pre-registration.
-Rich Oliver’s Mystery School retains the right to
refuse entry or participation.