Yamaha 63W-13610-01-00 Reed Valve AsyGenuine OEM Yamaha part.Supersedes Yamaha 63W-13610-00-00Special Order Yamaha Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional 23 business days to ship.; Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.; Verify Fitment Before Ordering: Please confirm compatibility with your engine model.;