hello and welcome- your txt pro is very simular to 2002 to 2008 so there is a good parts availability at dealers. phone gasgas uk up and they will sort you with what you need. with the gasgas pros in particular be very careful starting it them, they are very easy to damage the expensive gears if you have the wrong technique.try to take up the slack first and drive down with your body. dont hack at it! other than this you have a very good bike:) good luck and enjoy the sport!