This Wiseco crankshaft is a perfect fit for your KX250F motorcycle from 2009. It comes with a 1-year manufacturer warranty and is packaged in its original box. The crankshaft has not been opened or damaged in any way. It is a great addition to your motorcycle parts collection and will ensure optimal performance. The brand is well-known in the industry, and this product is made to high-quality standards. Buy with confidence and enjoy the benefits of this Wiseco crankshaft.