Yamaha - Body assy,water pump - YF1-43847-34-00Yamaha Water Pump Body Assembly Cooling System Component YF1 43847 34 00 Overview When youre rebuilding a Yamaha water pump, the body is what everything depends on lining up right. Ive seen pumps struggle just because the housing was worn or scored, even with a new impeller installed. The Yamaha Water Pump Body Assembly YF1 43847 34 00 gives you that solid foundation so water moves clean and efficiently through the system. Its one of those parts that