Description
Get a big boost in performance just from bolting this pump on! substantial gains in Hook Up on bottom end, and overall efficiency in rough conditions. It replaces the stock Yamaha 144mm cast aluminum stator section. Comes with tail-cone/bearing cover. utilizes the stock driveshaft, and a big hub prop. perfect for your conversion ski, freestyle rocket, or your freeride freak! dont forget the bearings and seals!