Premium 71mm Bore Cylinder Kit for YAMAHA YFM250 250CC (1992-2000)

High-precision machined aluminum piston with durable chrome-plated cylinder sleeve ensures superior heat dissipation and extended engine life.

Complete gasket set included, made from multi-layer steel and high-temp fiber for perfect sealing under extreme riding conditions.

Direct OEM replacement (4BD-11310-01-00) with micron-level tolerances for seamless compatibility with Yamaha ATV engines.

Ideal for trail riding, farm work, or off-road racing applications where reliability matters.

Manufactured using aircraft-grade alloys and CNC machining technology for consistent performance in dusty/wet environments.

Globally sourced components with batch-tested quality, offering wholesale pricing unmatched by retail channels.

Compact packaging optimized for international shipping - arrives ready for professional installation or DIY garage projects.