Cylinder Sleeve for YZ125 1987 (manufacturer part number: YA5014) by LOS ANGELES SLEEVE. Designed for motocross enthusiasts who are refurbishing their 2-stroke engine, this sleeve is intended for 2GH type cylinders and is compatible with the YAMAHA YZ 125 model year 1987. An essential replacement part during a top-end rebuild, it provides a clean seating surface for the piston and rings.

• Reference: YA5014
• Brand: LOS ANGELES SLEEVE
• Category: Sleeve
• Compatibility: For 2GH type cylinder — suitable for YAMAHA YZ 125 (1987, 125 cc).
• Usage: Replacement during 2-stroke engine repair or rebuilding.

Before installation, check the bore dimensions, the condition of the piston and rings, as well as the axial play. Adhere to manufacturer tolerances and break-in procedures to ensure proper temperature rise and limit premature wear. Professional installation is recommended if you are not equipped for reboring or metrological checks.

Part intended for off-road applications and amateur competition: ideal for bringing a 1987 YZ125 back into service and starting with a solid mechanical foundation.