Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) GTi RFI LE

Yamaha 144mm Replacement Pump Liner (6R8) (SKU:003-521-1) GTi RFI LEYamaha 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,

Its precision scoop design improves water intake efficiency while maintaining strong top-speed performance and smoother cornering

Constructed from high-strength steel for maximum durability

Available in 148/75 & 148/83 Configurations

and improved freestyle performance

Common Symptoms of a Worn Jet Pump

Improves acceleration and pump efficiency

this wear ring restores proper impeller clearance and helps maintain peak jet pump performance at a fraction of the cost of OEM components

Sea-Doo Spark DT 900 (2014)

Custom Yamaha Pump Conversions

and riding conditions

Compatible with a wide range of Sea-Doo GTI

The Solas Concord blade design is known for delivering excellent low-end power