Fuel Injector Insulator Seal for Kawasaki STX 1500 2009-2010

Fuel Injector Insulator Seal for Kawasaki

The Fuel Injector Insulator Seal for Kawasaki STX 1500 watercraft seals the injector at its seat in the engine, helping prevent vacuum leaks on 2009 through 2010 models.

Overview

This fuel injector insulator seal for Kawasaki is a sealing component that fits between the fuel injector and its mount on the engine. It helps keep the joint airtight so fuel delivery stays accurate and unmetered air cannot enter the intake. Designed for STX 1500 riders and mechanics handling routine fuel system service on 2009 and 2010 models, this insulator seal helps maintain smooth, consistent performance.

Built For Performance

• Made from fuel-resistant material built for constant fuel contact
• Shaped to match the injector seat for a precise fit
• Helps prevent vacuum leaks that cause rough idle or lean running
• Cushions the injector against engine vibration
• Sold as a single insulator seal for direct replacement

Fits These Machines

• for Kawasaki STX 1500, 2009
• for Kawasaki STX 1500, 2010

On-The-Job Use

• Replacing hardened or leaking injector seals during fuel system service
• Resealing the fuel rail after injector removal or cleaning
• Correcting lean conditions traced to leaking injector seals
• Supporting routine maintenance on personal watercraft

Specs At A Glance

Good To Know

Q: Do I need to replace the insulator seal every time I remove an injector? A: It is good practice, since old seals can harden and lose their sealing ability once disturbed. Fresh insulator seals help prevent leaks after reassembly. Q: What symptoms point to a bad insulator seal? A: Rough idling, hesitation, and lean running are common signs that air is leaking past the injector seal. Inspecting and replacing the seal is a simple first step.

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