Yamaha 155mm Replacement Pump Liner (63M) (SKU: 003-520) jetski This high-quality aftermarket kit includes

This high-quality aftermarket kit includes the essential bearings and seals needed to restore smooth

Improves Pump Reliability

A worn or damaged pump shaft can cause vibration

and Freestyle Applications

Sea-Doo RXP

Yamaha 155mm Replacement Pump Liner (63M) (SKU: 003-520) jetski This high-quality aftermarket kit includesYamaha 155mm Replacement Pump Liner (63M) WSM 003 520 The WSM 003 520 Yamaha 155mm Replacement Pump Liner is a direct replacement wear ring liner designed for WSM aluminum jet pump housings utilizing the Yamaha 63M pump system. This replaceable liner provides an economical way to restore proper impeller clearance and jet pump performance without replacing the entire pump housing. Over time, pump liners can become worn or damaged from rocks, sand,