well, i got a top end in my bike( finally) and its( 00' kx125) running strong. i went to TNT on Good Friday and it was really sandy. if you hit the rear brake ( especially on a sport quad), a cloud of dust and dirt would cover the whole track! oh yeah, it was 95 degrees at 5:30p.m.! we have to get a new water pump seal because the water from the radiator kept getting into my oil! were going to run 40:1 instead of 32:1 next time. i say a 06' dual-piper crf250r and an 06' kx250f. once my bike stops fouling plugs, i wont have to bring a wrench and an extra plug. whoops, im on my friends screen name! im kawicam125