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821 Posts
So i bought the 400, it needs rings and a swingarm bolt. Out of the pile of parts I got that are the things I know I need. Well I wanna ask you guys who have them some questions. I have a white bros full exhaust and the rest of the big 3. My question is what would you do to the motor to have a nice reliable trail rig that will give a z400 fits. What should I replace or modify while it is in pieces. I have 2 other atvs so it doesn't matter when it gets done.