Yamaha 144mm Replacement Pump Liner (6R7) (SKU: 003-521) Raider

Yamaha 144mm Replacement Pump Liner (6R7) (SKU: 003-521) RaiderYamaha 144mm Replacement Pump Liner for WSM Housing (6R7) WSM 003 521 The WSM 003 521 Yamaha 144mm Replacement Pump Liner is designed specifically for WSM aluminum jet pump housings used in Yamaha personal watercraft. This replaceable wear ring liner provides a cost effective solution for restoring proper impeller clearance and pump efficiency without replacing the entire pump housing. Over time, pump liners can become damaged from rocks, sand,

Engineered for proper fitment and long-lasting durability

Maintaining proper clearance between the impeller and wear ring is essential for efficient jet pump performance

Compatible with a wide range of Yamaha EX

improved cruising efficiency

Sea-Doo Impeller Boot (Nose Cone) & Impeller Ring Kit – #76-105KA

This specialty tool fits into the front of the JS550 pump shaft

The Solas SK-CD Concord Impeller is a high-performance polished stainless steel impeller engineered specifically for Sea-Doo Spark models using the 140mm pump system

Sea-Doo 140mm Pump Shaft for 580

Solas SRZ-TP Twin Concord Performance Impeller

Built specifically for high-performance Sea-Doo applications

This helps protect expensive drivetrain components while making service significantly easier

and enhances holeshot performance without sacrificing top speed