Namura Top End Gasket Kit for Yamaha 1987-93 500 Wave Runner 1987-90 Wave Jammer

Top End Gasket Kit for Namura

This top end gasket kit provides all necessary gaskets and seals to rebuild the top end of compatible Yamaha Wave Runner and Wave Jammer watercraft, serving as a direct replacement for OEM components. The kit includes head gasket, base gasket, and other seals to restore compression and prevent leaks. Designed for Yamaha 500cc engines from 1987-1993 models.

Overview

This top end gasket kit from Namura is a complete set of gaskets and seals for rebuilding the upper cylinder assembly on Yamaha Wave Runner 500 and Wave Jammer models. It ensures a proper seal between the cylinder head and cylinder, as well as the cylinder and crankcase, to maintain peak engine performance. This top end gasket kit is ideal for restorations or preventive maintenance on Yamaha 500cc watercraft.

Built For Performance

• Includes cylinder head gasket, base gasket, and all necessary seals
• Constructed from high-quality materials for durability and heat resistance
• Precision-cut to match OEM specifications for a perfect fit
• Allows for restored compression and improved engine efficiency
• Designed to withstand the high temperatures and pressures of two-stroke engines

Fits These Machines

• for Yamaha Wave Runner 500 (1987-1993)
• for Yamaha Wave Jammer (1987-1990)

On-The-Job Use

• Rebuilding the top end of two-stroke personal watercraft engines
• Replacing worn or damaged gaskets during engine overhaul
• Maintaining peak performance in recreational watercraft
• Restoring older Yamaha Wave Runner and Wave Jammer models

Good To Know

Q: Does this kit include the cylinder base gasket? A: Yes, the kit contains both the cylinder head gasket and the base gasket, along with all necessary seals for a complete top end rebuild.

Q: Is this compatible with other Yamaha 500cc models? A: This kit is specifically designed for the 500cc two-stroke engines in Wave Runner and Wave Jammer models from the years listed; always verify engine code for fitment.

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