Ok, being more specific is something I can actually do without screwing up. The motor I removed is a PH385. I checked that motor and three others, all older 365's with a my new DC power supply courtesy of Amazon. All were pretty much 2 volts and 150 mA just like you measured. One was spinning just past 1.5 volts. I also had one that was balky and it improved after a drop of Deoxit on the commutator! If I connect any of the motors to the engine motor leads they all spin along with the tach reader motor. If I install the motor so that the drive gears are engaged nothing happens until around 7 to 10 smph and by then the tach reader motor is spinning like crazy. I would say both motors read the right voltage at the leads but nothing moves non tach reader motor. It's like there is voltage without any current being delivered. Is that even possible?
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