42034-3707 Coupler for Kawasaki SX-R 800 2003-2011 Jet Ski

Coupler for Kawasaki SX-R 800

This coupler replaces OEM part 42034-3707 for the Kawasaki SX-R 800, joining the driveshaft to the pump so engine torque reaches the impeller cleanly.

Overview

The coupler for Kawasaki SX-R 800 is a replacement driveshaft coupling made to keep the jet pump driven under load. This coupler for Kawasaki SX-R 800 matches OEM part 42034-3707 for straightforward installation. It suits riders replacing a worn or damaged original coupler.

Built For Performance

• Built to OEM cross-reference 42034-3707 specifications
• Sturdy design withstands continuous torque load
• Precise splines for secure driveshaft engagement
• Corrosion-resistant for wet marine use
• Drop-in replacement, no machining needed

Fits These Machines

• for Kawasaki SX-R 800 (2003-2011)

On-The-Job Use

• Driveline service on stand-up personal watercraft
• Keeping power transfer steady between engine and pump
• Continuing use where high torque loads are routine
• Rebuilds after coupler or driveshaft wear

Specs At A Glance

Good To Know

Q: Does this bolt straight onto my SX-R 800? A: It replaces OEM 42034-3707 on the 2003-2011 SX-R 800 without modification. A: Confirm your serial number before ordering.

Q: What signals a coupler needs replacing? A: Vibration, excess play, or stripped splines at the driveshaft joint point to a worn coupler. A: Check the mating splines whenever the pump is pulled.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.