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trx420fa

  1. 2009 420 Rancher AT (TRX420FA)

    Repair & Maintenance
    The 420 goes into gear and engages. But when you give it throttle it starts to move but only makes the bike rock forward. I’ve checked the shift valve and all possible electrical issues. I haven’t tried changing the oil as it appeared to be new. My next move it to obviously change the oil. I...
  2. 2011 rancher 420 shifting issues

    Repair & Maintenance
    2011 rancher trx420fa. Started having shifting problems last time out. Would not shift past 3rd gear, and when in auto it would not shift. found a stick broke rear speed sensor. Replaced speed sensor and shift angle sensor. Seems to shift r,1,2,3 ok. Still will not shift past 3. Checked shifter...
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