i have a 1997 cr125 and am wondering about some upgrades i already have a fmf fatty gold sieries and an fmf pro silencer but am wondering about what i should get, i ride some trails some woods and some other stuff and am looking to build up a versatile bike that i could take to motocross tracks and still ride trails decently, any suggestions? also wondering about any problems or anythign like that i should mess with generally on cr125's and any tuning i should do