Yamaha - Clutch, dog - 6AW-45631-00-00Yamaha Dog Clutch Lower Unit Shift Engagement 6AW 45631 00 00 Overview This is the part that actually locks your lower unit into gear when you shiftforward, reverse, or neutral. When its working right, engagement feels clean and immediate, with no hesitation. But once it starts to wear, youll notice slipping, grinding, or that uneasy delay when going into gear. Its a hard working piece that takes a hit every time you shift, especially on bigger