Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) 13/18 this replacement liner is designed

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

Tell us your engine modifications

Compatible with 2UP & 3UP Models

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

and performance-oriented setups

Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) 13/18 this replacement liner is designedYamaha 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,