Description
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. 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 GP1200 (97-99) & XL1200 (98) (1131cc 84mm)? This sleeve is engineered for riders and builders who want reliable performance without sacrificing serviceability on powerful triple cylinder Yamaha engines.
- High quality chrome moly / cast-iron alloy construction for excellent wear resistance and heat stability in high horsepower builds.
- Precision centerless ground outside diameter to simplify machine work and ensure proper interference fit in OEM cylinders.
- Accurately machined port windows to maintain correct timing and easy port match up during assembly or race porting.
- Boreable sleeve so future rebuilds are simple, cost effective, and do not require re-plating after hard racing use.
- Manufactured in the USA by LA Sleeve, a family owned company with decades of cylinder sleeve experience.
- Ideal replacement when detonation, lean conditions, or heavy use have damaged factory cylinder bores.
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-5349.
LA Sleeve cylinder sleeves are trusted by engine builders around the world for consistent wall thickness, clean machining, and predictable installation results in performance Yamaha PWC engines.
