The Timing Drive Belt is a crucial component for your Yamaha YW125, BWS 125, and YW 125 (BWS125) motorcycles from 2009 to 2015. This high-quality belt ensures precise timing on the camshaft and crankshaft, reducing wear and increasing engine efficiency. With the 5S9-E7641-00 model, you can trust in superior durability and longevity, matching your motorcycle's performance and longevity. Regularly changing and maintaining your Timing Drive Belt is essential for your motorcycle's optimal performance and reliability.