Abstract: A motorcycle helmet securement system (20) and methods for affixment (100) and use (200) of the helmet securement system (20) are provided. The helmet securement system (20) includes a motorcycle seat (30), first and second securement devices (40,60), and a motorcycle helmet (24). Each of the two securement devices (40,60) is made up of a first securement end (43,63) with a first component (51,71) of a buckle (50,70) attached thereto, a second securement end (47,67) with a second component (52,72) of the buckle (50,70) attached thereto, and first and second affixment ends (44,48,64,68) affixed to the motorcycle seat (30). The motorcycle helmet (24) has a chin guard (26). The first securement ends (43,47,63,67) of the securement devices (40,60) pass through an inside (28) of the helmet (24), over the chin guard (26), and engage the second securement ends (44,48,64,68) of the securement devices (40,60).