http://www.americanmotorcyclist.com/...t.asp?state=CO
RoadSafety Helmet Requires a person under 18 years of age who is an operator of a motorcycle or motorized bicycle or who is a passenger on such vehicles, to wear a protective helmet that is designed according to certain specifications; sets the penalty and surcharge for failing to wear the helmet; sets an additional surcharge for each violation to be deposited in the state Traumatic Brain Injury Trust Fund; C.R.S. 42-4-1502
State Funded Rider Ed Available for all eligible applicants
Eye Protection Required by law
Daytime Use of Headlight Modulating headlight permitted per Code of Federal Regulations, Title 49, 571.108
Passenger Seat Required if carrying a passenger
Passenger Footrest Required if carrying a passenger
Passenger Age Restriction None
Helmet Speakers No restrictions
Periodic Safety Inspection Required by law - random
Mirror Left(L) Right(R) One required by law; C.R.S. 42-4-226
Radar Detector No Restriction
Turn Signals Not required
Muffler Required.
Maximum Sound Level Maximum allowable A-weighted sound levels based on measurements taken at a distance of 50 ft from center lane of travel, local authorities may adopt following: 1)Manufactured before 1/1/73--88dba at 35mph or less; 90dba at 35 to 55mph; 2) Manufactured after 1/1/73--86dba at 35mph or less; 90dba at 35 to 55 mph (25-12-107. Powers of Local Authorities).
State Insurance Requirements Compulsory Liability (Minimum Limits)(25/50/15)
Handlebar Height No Restrictions
Rider-Education Waiver Skill & Knowledge Test
Accept Motorcycle Endorsement From Other States Yes
Accept RiderEd Completion Card From Other States Yes
Motorcycles operating two abreast in same lane Yes; C.R.S. 42-4-1503 All motorcycles are entitled to full use of a traffic lane, and no motor vehicle shall be driven in such a manner as to deprive any motorcycle of the full use of a traffic lane. This subsection (1) shall not apply to motorcycles operated two abreast in a single lane.
Lane Splitting No; C.R.S. 42-4-1503 (2) The operator of a motorcycle shall not overtake or pass in the same lane occupied by the vehicle being overtaken. (3) No person shall operate a motorcycle between lanes of traffic or between adjacent lines or rows of vehicles.
Lemon Law Coverage No.