Missouri

Know the Law so they can’t use it against you.

Accept Motorcycle Endorsement From Other States
Yes

Daytime Use of Headlight
Modulating headlight permitted per
Code of Federal Regulations, Title 49, 571.108

Eye Protection
Not Required

Handlebar Height
Maximum of 15″ above seat;
MO State Highway Patrol: Motor Vehicle Inspection Manual, p. 66 (C), (2)

Helmet Speakers
No Restrictions

Lane Splitting
Not authorized

Lemon Law Coverage
No; 
Missouri (MO) Lemon Law – M.R.S. 407.560 – 407.579

Maximum Sound Level
No acoustical criteria

Mirror Left(L) Right(R)
None Required

Motorcycles operating two abreast in same lane
Not referenced in Administrative Code or Statutes

Muffler
Required;
MO State Highway Patrol: Motor Vehicle Inspection Manual, p. 67 (F)

Passenger Age Restriction
None

Passenger Footrest
Not Required

Passenger Seat
Not Required

Periodic Safety Inspection
Required by law;
Missouri Department of Revenue

Radar Detector
No Restriction

Rider-Education Waiver
Skill Test

Safety Helmet
Required by law;
M.R.S. Section 302.020, 2

State Funded Rider Ed
Available for all eligible applicants;
Missouri Motorcycle Safety Program

State Insurance Requirements
Compulsory Liability (Minimum Limits)(25/50/10)

Traffic Actuated Signals
Affirmative Defense;
M.R.S. Section 304.285

Turn Signals
Not Required

If you have any updates to this list please feel free to leave it in the comments. I will try to keep this current each week and add other states as I go. If I have not added your state yet let me know in the comments and I will do my best to add it quickly.