I'm planning on getting a 2004 rmz250 within the next 2 weeks and i'm worried about all the problems i'm hearing about them and was hopeing you guys could help me out and give me some info so here is my questions. 1.How bad are the tranny problems? 2.How often do the trannies go out? 3.How bad are the valve problems? 4.How often should I check the valves? 5.How often do they blow up? 6.How bad are the overheating problems? 7.Are there any more problems that I don't know about or anything else I should know about? 8.How often do you do valve checks, top end rebuilds, change oil/filter? 9. And last how is the power and handling?