F.B Posted February 16, 2019 Share Posted February 16, 2019 Hello everyone, after a complete disassembly and reassembly, my Ninebot makes "grinding" noises.You can hear them in the video below, they appear when I apply front or rear pressure to the pedals.Do you have an idea to solve this problem?Thank you Quote Link to comment Share on other sites More sharing options...
Fremalea Posted February 17, 2019 Share Posted February 17, 2019 to check the clamps of the pedals and axis engine? Quote Link to comment Share on other sites More sharing options...
evil696 Posted February 26, 2019 Share Posted February 26, 2019 Check the valve or ball bearing on engine. Quote Link to comment Share on other sites More sharing options...
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