Description
Yamaha 500 ’87-92 cylinder sleeve made from chrome-moly alloy. Outside diameter precision centerless ground. Ports cut to precision dimensions and shapes for ease of installation and port match-up. Inside diameter must be bored and honed to size piston after installation. As an optional service you may send your cylinder to Atlantic Jet Sports for re-sleeving and piston set up additional fee applies and new piston needs to be on hand at time of service. Manufactures Note: Original block has a replacement sleeve. Heat the cylinder to remove the sleeve. Reheat the cylinder to install the new cylinder sleeve. NOTE: Generic image and may not depict your actual kit.
Why choose LA Sleeve, LA Sleeve Cylinder Sleeve for Yamaha 500 WaveJammer/WaveRunner (496cc 72mm)? This sleeve is engineered for riders and builders who want reliable performance without sacrificing serviceability. Its construction makes it ideal for performance recreation, closed-course racing, or dependable weekend riding.
- High quality chrome moly / cast-iron alloy construction for excellent wear resistance and heat stability.
- Precision centerless ground outside diameter to simplify machine work and ensure proper interference fit.
- Accurately machined port windows to maintain correct timing and easy port match up during assembly.
- Boreable sleeve so future rebuilds are simple, cost effective, and do not require re-plating.
- Manufactured in the USA by LA Sleeve, a family owned company with decades of cylinder sleeve experience.
- Ideal replacement when a cylinder is scored, seized, or when upgrading an older cast in liner design.
Fitment and notes: Always verify clearances and piston size before final assembly. Professional installation and proper boring and honing are recommended for best ring seal and durability on part number YA-5025.
LA Sleeve cylinder sleeves are trusted by engine builders around the world for consistent wall thickness, clean machining, and predictable installation results in powersports and marine applications.





