I emailed the Delaware DMV this morning about the required equipment. This was just sent to me:
Thank you for your questions, I’ll try to answer as much as possible as we do not list every detail for motorcycles or any other vehicle for that matter. The state of Delaware follows title 21 of criminal and traffic law and also title 49 of the Federal code. There is also of course an inspection manual for our employees to use as a guide.
Fenders- both front & rear
Headlight – High & Low beams not mounted above 54” nor lower than 24”
Tail lamp – emit red light to 500 feet, not mounted above 72” nor lower than 20”
Stop lamp – visible from 100 ft in normal sunlight, must be activated by front and rear brakes if manufactured after Jan. 1, 1969 and must have 8 sq inches of lighted lense.
Plate light – white light covered to not show to the rear
Reflectors – prior 1976 one red to the rear, 1977 and newer are required to have 5, two amber on front sides, two red on rear sides and one red to the rear, must be a minimum of 4 sq inches of reflective area
Turn signals – required on all since 1974 with a minimum of 3.5 sq inches of luminous lense
Horn – audible to 200 feet under normal conditions, button on handle bars as close to handgrip as practical
Mirror – at least one, so placed to ascertain the presence of vehicles approaching
Muffler – baffled (currently sound testing is under a moratorium)
Tires – must have a minimum of 2/32” of tread
Footrest or pegs – two
Chain or belt – must be tight and covered
Speedometer
Plate - not mounted below 12” from the ground and horizontal, must not be in front of rear axle
Christopher K. Cox
Vehicle Services Manager
Division of Motor Vehicles
Office - 302-744-2525
Fax - 302-739-2042
chris.cox @ state.de.us
So I would really check the actually law makers, not a website. Websites don't pay the ticket you get.