425's should have an "LR" module that works as a voltage regulator. I've seen more of these go bad before a stator will. Not a good way to test them other than smell for burn. Or put a new one in and check voltage at the battery to check for a difference. Let me know how it turns out.
The module is located behind the front bumper on the left side. Check all your wires for good connection. There is a problem with this Voltage Regulator going bad but I guess I just lucked up and found a bad wire that was pinched.
A forum community dedicated to Polaris ATV owners and enthusiasts. Come join the discussion about Rangers, Sportsmans, Scramblers, Magnums, and others. Research modifications, troubleshooting, maintenance, and more!