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  1. Maintenance
    Hello everyone! I recently purchased a 2008 yfz450 that I noticed is leaking coolant from the weep hole at a decent rate. I found the leak and noticed it pretty early. Was curious what all is recommended to change when I plan to have the water pump opened up to rebuild? I was planning to...
    coolant leak yfz450
  2. Maintenance
    I just bought a 2020 YFZ450R and noticed that the coolant level is at the MIN line. I went to Yamaha and bought yamalube coolant. My question is, should I drain the factory coolant before adding this new coolant? Thanks in advance for any advice.
    coolant factory
  3. 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
    coolant
  4. 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...
    coolant leak
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