Yamaha Motor Co., Ltd. 3HH-25388-00-00 Chain Puller

The Yamaha 3HH-25388-00-00 Chain Puller is a bolt-on rear-axle adjustment component used to position and tension the motorcycle drive chain for proper alignment and operation on Yamaha motorcycles. Made from hardened steel with a coated/treated surface for corrosion resistance, it resides in the drive chain / rear wheel system and provides manual threaded adjustment to achieve precise chain tensioning and alignment during maintenance, repair, or drivetrain servicing projects requiring OEM-compatible adjustment components. It fits Yamaha motorcycles with model-specific fitment and installs in the rear axle adjustment mechanism; common replacements include Yamaha 2A6-25388-00-00, 3Y1-25388-00-00, and 1T3-25388-00-00 Chain Pullers.