Helemt Use: Required for operators under 18; required for all passengers, regardless of age. Eye Protection: Required by law - unless equipped with windscreen which is 15" or higher above handlebars Daytime use of headlight: Required by law-modulating headlight permitted Muffler: No acoustical criteria. Handelbar Height: Maximum of 15" above seat Lane Spliting: Driving motorcycles and motor-driven cycles on roadways laned for traffic (b) No driver of a motorcycle or motor-driven cycle may overtake and pass another vehicle in the same lane occupied by the vehicle being overtaken. A driver of a motorcycle or motor More Motorcycle Laws