[InsanityIsBorn]

Originally Posted by InsanityIsBorn

So DOT approved tyres, a horn, muffler(meh) that is noise compliant, and headlight/taillight and turn signals..

Here is a full list sweet!!:

Originally Posted by Colorado-DMV

EQUIPMENT REQUIRED FOR HIGHWAY USE
FOR A TWO-WHEELED MOTORCYCLE

Head Lamps
At least one and not more than two head lamps. Every head lamp shall be located at a height measured from the center of the head lamp of
not more than 54 inches or less than 24 inches.

Tail and Stop Lamps and Reflectors
At least one tail lamp, one stop lamp and one reflex reflector. Such lamps and reflectors may be incorporated in a single unit and shall be at a height measured from the center of the lamp of not more than 72 inches or less than 15 inches.

Note: Head lamps, tail and stop lamps must be equivalent to lamps used as original equipment on motorcycles manufactured for highway
use.


Brakes
At least one brake which may be operated by hand or foot.


Horn
Horn must be in good working order and capable of emitting sound audible under normal conditions for a distance of not less than 200 feet.


Muffler
An adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise.


Mirror
A mirror so located and so constructed to reflect to the rider a free and unobstructed view of the highway for a distance of at least 200 feet to
the rear of such motorcycle.


Tires
Equipped with tires designed for highway use.


Motive Power (Must have at least 50 c.c. Less is motorized bicycle and cannot be titled.)
Shall have motive power adequate to propel the vehicle at speeds which will not interfere with the normal flow of traffic.