Hey all. So I'm having travel issues with my KX 61-2 s series mini ex. I have done lots of pre testing etc. Narrowed it down to the counterbalance / brake valve assembly, replaced the one I thought was faulty. Now the opposite track is acting up. So I decided to purchase anothe counterbalance /brake valve assembly. I have plenty of track power now. The only issue is its drifting to one side? Any advice would be greatly appreciated. Thx in advance