I am looking for a new bike I ride trails and would like to race harescrambles.My riding level is a beginner.I am 165lbs without gear.I curently ride 89 yz250 I would like a newer bike but can not afford a band new one. I was thinking about buying a newer mx bike and do some modifications or a kdx with modifications.I have a budget of $2500-$3000.Any suggestions would be helpful thank you.