On most engines there are 2 wires coming from the alternator into the regulator that will be the same color. Then there will be another color wire (usually red) going from the regulator to the tractor harness. You may have to trace the wires to tell which is which.With the engine running at full throttle, the wires from the alternator should read 28-35VAC across them. If that voltage is not there, the alternator and/or flywheel (magnets under it) are bad. If the voltage is there, then check for DC voltage between the red wire at the regulator and ground. It should be in the 13-14VDC range at full throttle. If that voltage is not there but the AC "in" is there, then the regulator is bad.
Voltage regulator or charge circuit is faulty
have it checked by the mower repair shop
SOURCE: I have a dead battery
You need to use a 12volt dc charger no more than 15amps.
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SOURCE: kohler courage 23hp twin cylinder
Hmmm... first off, check the oil and make sure it's at the proper level - low oil can cause overheating. Second, if you haven't cleaned the engine and it's full of yard dirt and dust then you need to blow it out with about 100psi of air. Blow down through the cooling fan on top of the engine and make sure all the fins around the cylinders are clean of debris. Sound like the engine is cooking..
SOURCE: carburater blowing gas out instead of sucking in on 23hp kohler engine
it sounds like one of the valves is not seating do a compression test and see what cylinder it is a valve not seating will cause the compression to blow back threw or the exhaust valve is not opening
If you are using the lighter plug for charging it may have a fuse inside the plug itself the plugs into the lighter socket,,,,,look for a fuse there or if have a volt meter check for voltage reaching the unit when plugged that way If voltage is good to the unit from the car source the battery may be bad, either not getting a voltage for charging or battery not holding a charge.
SOURCE: how do I test alternator on 23hp Briggs & Stratton vanguard mod. 386447
Please make sure you turn off light switch after cuttings or start up
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