5 Year Warranty on Yamaha DTX Kits Posted on 2nd November 2015 by Admin0 Comments Yamaha DTX 400 Series now have an extended 5 year warranty, follow these simple steps to register your kit. Please go to: http://warrantyextension.yamaha-europe.com. Enter your details as prompted, including the serial number of your DTX400K, DTX430K or DTX450K kit. Enter the purchase date (purchase must have been made after November 1st 2015 to claim the extended warranty). Please be sure to retain proof of purchase. After registering you will receive your Extended Warranty Certificate via email within a couple of minutes. Please keep a copy in case you need to make a claim. If you do not receive the email, please check your spam folder. Should you have a warranty issue within your 5-year warranty period, please visit the Yamaha website to locate your Yamaha Authorised Service Centre (YASC).