11009-3744 Muffler Gasket for Kawasaki JS 300 1986-1988

Muffler Gasket for Kawasaki

This muffler gasket seals the joint between the exhaust and muffler on Kawasaki JS 300 watercraft, replacing OEM part 11009-3744.

Overview

This muffler gasket for Kawasaki is a direct-fit sealing component that prevents exhaust leaks at the muffler connection on JS 300 models. The gasket for Kawasaki JS 300 watercraft keeps hot exhaust gases contained at the joint for consistent performance. It suits riders performing routine exhaust maintenance or a full rebuild.

Built For Performance

• Direct replacement for OEM part 11009-3744
• Seals the muffler-to-exhaust joint against leaks
• Withstands high exhaust temperatures
• Compresses evenly for a tight seal
• Simple bolt-on installation

Fits These Machines

• for Kawasaki JS 300 1986
• for Kawasaki JS 300 1987
• for Kawasaki JS 300 1988

On-The-Job Use

• Exhaust repairs on JS 300 watercraft
• Muffler replacement jobs
• Top-end and engine rebuilds
• Routine exhaust maintenance

Specs At A Glance

Good To Know

Q: Does this gasket fit other Kawasaki models? A: It is listed for the JS 300 1986-1988, so confirm your model and serial number before ordering.

Q: Should I replace the gasket whenever the muffler is removed? A: Yes, exhaust gaskets are typically single-use, so fitting a new one helps prevent leaks after reassembly.

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