These will fit the Ten:
1996-2005 Yamaha YZ 80,
1987-1996 Yamaha YZ 125 / 250,
1987-1993 Yamaha YZ 500,
1990-1997 Yamaha WR 200,
1990-1997 Yamaha WR 250,
1987-1993 Yamaha WR 500
Read
this thread regarding the above pegs available cheap on ebay. Some of the links might be out of date, but you'll get the idea.