Helemt Use: (Effective September 4, 2003) Helmet optional for a person 21 years of age or older who either have been licensed to operate a motorcycle for not less than two full calendar years or have completed a motorcycle rider safety course approved by the departme Eye Protection: Required by law Daytime use of headlight: All motorcycles built after 1973 must have their headlights on during the day & night. Muffler: Mufflers required. Handelbar Height: No Restrictions Lane Spliting: Operating motorcycles on roadways laned for traffic (b) Overtaking and passing.--The operator of a motorcycle shall not overtake and pass in the same lane occupied by the vehicle being overtaken. (c) Operation between lanes or vehicles.--No person shall o More Motorcycle Laws