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It may be a DC motor. Check the brushes to see if they are worn away and not making contact with the commutator. should be a small cover on top of the motor to access the brushes. Testing the DC voltage output from the Rectifier may also tell you if you are losing voltage after 15-30 seconds. Floor buffers use a similar system, I have seen them fail due to the winding in the armature breaking and losing connection. an armature for one of those motors is sometimes more expensive than it is worth.
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Bill Swartzwelder
2002 R1100S Prep/ 2024 Tenere 700
Last edited by wswartzwel; 12-13-2018 at 07:03 PM..
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