MXracn746
PR Addict
I'm going to get a big bore kit for my 07 RMZ. I've thought about it and I'm going against the KX500 as I don't think I've got the strength to hold to it anymore, but want the more torque. I like the RMZ, but realize I'll have it for only a season or two more before I get a newer one. So, what big bore kit do you recommend. I was thinking about the athena 475cc kit. I just want a bolt on kit and really don't want any machining. I'll be doing new cam chain and guide and probably valves and mabey a Hotcams cam this winter.