OAR 736-004-0115: Rider Fit

(1) A Class I ATV operator under 16 years of age must meet all the following minimum physical size requirements in relationship to the vehicle: (a) Brake Reach: With hands placed in the normal operating position and fingers straight out, the first joint (from the tip) of the middle finger will extend beyond the brake lever and clutch; (b) Leg Length: While sitting and with their feet on the pegs, the knee must be bent at least 45 degrees; (c) Grip Reach: While sitting upright on the ATV with hands on the handlebars and not leaning forward, there must be a distinct angle between the upper arm and the forearm; and (d) The rider must be able to turn the handlebars from lock to lock while maintaining grip on the handlebars and maintaining the throttle and brake control. (2) A Class IV ATV operator under 16 years of age must meet all the following minimal physical size requirements in relationship to the vehicle: (a) Leg Length: While sitting in the normal operating position and the safety restraints securely fastened around the operator, the operator’s feet must be able to fully operate all foot controls. (b) Arm Length: While sitting in the normal operating position and the safety restraints securely fastened around the operator, the operator’s hands must be able to fully operate all hand controls. (3) Disabled riders are allowed to use prosthetic devices or modified or adaptive equipment to achieve rider fit.