Question Under Oregon law: Answers Your motorcycle's headlight must be only between the hours of 7 p.m. and 7 a.m. Your motorcycle's headlight must be yellow in color. Your motorcycle's headlight must be on at all times when the motorcycle is being operated. Your motorcycle may have four lights on the front. Explanation Oregon law requires a motorcycle's headlight to be on at all times when the motorcycle is being operated. Using your headlight is the best way to ensure that other drivers will see your motorcycle. This questions appears in the following tests: Oregon Motorcycle Practice Test 4