C.R.S. § 42-2-103: Motorcycles - autocycles - low-power scooters - driver's license required.

(1) (a) The department shall establish a motorcycle endorsement program for driver's licenses, minor driver's licenses, and instruction permits issued pursuant to this article.

(b) The department shall require an applicant for a general motorcycle endorsement to demonstrate the applicant's ability to exercise ordinary and reasonable care and control in the operation of a motorcycle. The department shall also require an applicant for a limited three-wheel motorcycle endorsement to demonstrate the applicant's ability to exercise ordinary and reasonable care and control in the operation of a three-wheel motorcycle.

(c) Except as provided in paragraph (e) of this subsection (1), a person shall not drive a two-wheel motorcycle on a roadway without a general motorcycle endorsement, but a person who possesses a general motorcycle endorsement may drive any motorcycle on the roadway.

(d) Except as provided in subsection (1)(e) of this section, a person with only a limited three-wheel motorcycle endorsement may drive a three-wheel motorcycle but shall not drive a two-wheel motorcycle on a roadway.

(e) A driver of an autocycle shall possess a valid driver's license or minor driver's license. The driver of an autocycle need not obtain a two- or three-wheel motorcycle endorsement.

(2) (a) An operator of a low-power scooter shall possess a valid driver's license or minor driver's license.

(b) No low-power scooter shall be operated on any interstate system as described in section 43-2-101 (2), C.R.S., except where a bicycle may be operated on such interstate system, on any limited-access road of the state highway system as described in section 43-2-101 (1), C.R.S., or on any sidewalk, unless such operation is specifically designated. Low-power scooters may be operated upon roadways, except as provided in this section, and in bicycle lanes included within such roadways.

(2.5) Repealed.

(3) A person who operates a motorcycle in violation of subsection (1) of this section commits the offense of driving a motor vehicle without the correct class of license in violation of section 42-2-101 (4) and shall be punished as provided in section 42-2-101 (10).