what are the laws regarding unertails and rear light for motorcycles in ca?

Answer 1

24253. (b) All motorcycles manufactured and first registered after January 1, 1971, shall be equipped so all taillamps, when turned on, will remain lighted automatically for a period of at least one-quarter hour if the engine stops.
(z) Should the taillamps remain lit on a motorcycle with a stopped engine, it is recommended that the rider move away from the motorcycle before it is plowed into by a drunk driver or by someone searching for a cassette tape on the floor of his or her car.
24400. During darkness, every motor vehicle other than a motorcycle shall be equipped with at least two lighted headlamps.
(z) Possession of one burned out headlamp is acceptable as long as the driver feels remorse over its nonfunctionality.
24603. Every motor vehicle shall at all times be equipped with stoplamps mounted on the rear as follows:
(b) Every such vehicle, other than a motorcycle, shall be equipped with two stoplamps.
24606. (a) Every motor vehicle, other than a motorcycle, shall be equipped with one or more backup lamps either separately or in combination with another lamp.
(z) Motorcyclists moving in reverse fast enough for a backup light to matter will be cited for unbridled stupidity.
24607. (b) Every vehicle, other than a motorcycle, shall be equipped with at least two reflectors meeting the visibility requirements.
(z) As motorcycles are never seen in the first place, reflectors are moot.
24951. (4) Motorcycles manufactured and first registered on or after January 1, 1973 shall be equipped with a lamp-type turn signal system.
(z) As with motorists, use of these lamps may be entirely ignored at the rider's discretion.
25251.2. Any motorcycle may be equipped with a means of modulating the upper beam of the headlamp between a high and a lower brightness at a rate of 200 to 280 flashes per minute. Such headlamps shall not be so modulated during darkness.
(z) The exception is if the rider has been drinking; in such cases, the flickering light will act as a warning to others that the rider is about to deposit a wide swath of DNA on the road surface.
25451. Any motorcycle equipped with one lighted acetylene headlamp complies with the provisions of this code concerning lighted headlamps on motorcycles when the acetylene headlamp is fitted with a clear plane glass front and a bright six-inch spherical mirror and a standard acetylene one-half or five-eighths foot burner, projecting sufficient light ahead to reveal any vehicle, person, or substantial object upon the roadway within a distance of 115 feet.
(z) Riders of such motorcycles may also use a rotary-dial phone while riding.
25650. Every motorcycle during darkness shall be equipped with at least one and not more than two lighted headlamps.
(z) Riders with a third functional eye will be allowed a third lighted headlamp, so long as the condition is validated by a practicing optometrist.
25650.5. Every motorcycle manufactured and first registered on and after January 1, 1978, shall be equipped with at least one and not more than two headlamps which automatically turn on when the engine of the motorcycle is started and which remain lighted as long as the engine is running.
(z) Those who disconnect this feature will be cited or will broadside a car that turns directly in front of them, whichever comes first.