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  1. YFZ450 & YFZ450R General Talk
    If my coolant reservoir is low can I just add coolant to get back to full or do I have to change the old and put it new? 2015 Yfz450r
  2. YFZ450 & YFZ450R General Talk
    My 04 will not stop leaking coolant. It leaks from the pipe that the radiator hose is connected to. There is an o ring in there I replaced that I thought would fix it but didn’t. I changed every seal and bearing even a new impeller shaft. It’s not leaking from the weep hole but actually where...