Description
Four-stroke cylinder sleeve made from chrome-moly alloy. Outside diameter precision centerless ground to exact size for ease of installation. Inside diameter must be bored and honed to size piston after installation. Note: Product images may only represent the class of product and not the specific model.
Why choose LA Sleeve, LA Sleeve Cylinder Sleeve for Yamaha FX140 4-Stroke (998cc 74mm)? This sleeve is engineered for riders and builders who want reliable performance without sacrificing serviceability on Yamaha four stroke personal watercraft.
- High quality chrome moly / cast-iron alloy construction for excellent wear resistance and heat stability in long running four stroke applications.
- Precision centerless ground outside diameter to simplify machine work and ensure proper interference fit.
- Accurately finished to accept final bore and hone for tight piston to wall clearances and strong ring seal.
- Boreable sleeve so future rebuilds are simple, cost effective, and do not require re-plating or cylinder replacement.
- Manufactured in the USA by LA Sleeve, a family owned company with decades of cylinder sleeve experience.
- Ideal solution when OEM cylinders are damaged from overheat, detonation, or debris.
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-5501.
LA Sleeve four stroke cylinder sleeves are trusted by engine builders around the world for consistent wall thickness, clean machining, and predictable installation results.
