Rider Info & Rules

Use the links below to print the rules and your pre-registration form.

Make Checks Payable to:
EC Enterprises
3433 5th Street
Lewiston, Idaho 83501

Supercross Entry Form and Waiver(updated 6/1/17)

2017 Demolition Derby Rules & Entry Form (updated 4/14/2017)

Inland Northwest Yamaha Cup Membership Form (Updated 9/14/2017)

Demolition Derby Photo Examples

Example of correct way to secure fuel tank:
20130808_131838

Example of padding around driver’s seat:
20130808_131909

Example of correct way to secure a battery:
20130808_131752

20130808_131805

Demolition Derby Diagram:
Demo-Derby-Diagrams