if you can turn the ignition off while the service display is up
you hold the set button while turning on the ignition to clear the service reminder on some japanese motorcycles.
Try this.----
Turn the ignition on and hold the pass light button in when it says either endr or ntrd depending on whether your bike is an enduro (off road) or the motard.-----------Also click this link blow for more help:---http://technoanswers.blogspot.com/2011/06/endr-then-ntrd-displays-on-yamaha-xt.html
-----------
This should help.Thanks.Helpmech.