Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) 13/18 and better overall performance

and better overall performance

this replacement liner is designed to withstand harsh marine environments and demanding riding conditions

Upgrade your Yamaha WaveRunner or Yamaha jet boat with the Solas YF-CD Concord impeller

engineered to improve hook-up

Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) 13/18 and better overall performanceYamaha 144mm Replacement Pump Liner (6R8) WSM 003 521 1 The WSM 003 521 1 Yamaha 144mm Replacement Pump Liner is a direct replacement wear ring liner designed for WSM aluminum jet pump housings utilizing the Yamaha 6R8 pump system. This replaceable liner restores proper impeller clearance and pump efficiency without the expense of replacing the entire pump housing. Over time, the pump liner can become worn or damaged from rocks, sand, debris,