wr250f

I have a 2001 yamaha wr250 and my bottom end is shot I need to know the years makes and models that are compatible with mine. I think a yz250f will fit mine as long as it's between 01 and 03 is this true? I am desperate to get my baby back in working order she been down for way to long PLEASE HELP!

can someone please tell me what kind of wire these are that hook into my light . I'm missing the yellow high beam and need to splice it into the wire . There is two in there the ground and low beam . The yellow wire for high beam is not hooked up and I need to put it into that hole that splices...