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Post by amirny on May 9, 2009 19:22:56 GMT -5
it seems magneto is not re-charging my battery. headlight works and turn signals cant and when they do is only when I RECHARGE battery, but after I do it never recovers. keeps loosing electricity after recharge. I think is magneto?? what do you think?? how do I test magneto?? thanks
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Post by rapidjim on May 9, 2009 20:50:07 GMT -5
I would think it is the regulator before I would blame the stator (magneto).
Here is generic troubleshooting:
First off, don't troubleshoot your charging system without making sure that the battery is fully charged. This could result in false readings and a waste of time and money!
Place the bike on the center stand. Connect a voltmeter to the battery, Red Lead of the meter to the positive battery post and Black Lead of the meter to the negative battery post. Set the meter to read DC voltage ( at least a 20 volt scale). Start the bike and note the meter reading, it should be around 12 volts. Increase the RPM of the motor and the meter reading should increase to between 13 and 15 volts. If it reads correctly you are good to go.
If the voltage is above 15 volts you are over charging the battery and most likely burning out headlight bulbs. The most common fault for this reading is the regulator. There is not a real check for checking the regulator, just replace it and recheck the voltage to the battery while running.
If the voltage is below 13 volts at a high RPM then it is time to check the stator. Before you check the stator make sure all connection are made and are tight. DISCONNECT the battery before attempting to go any further. Then disconnect the wires from the chassis connector for the stator, these are usually yellow, but can vary. Set your meter to ohms x 1 scale, connect the black lead of your meter to chassis ground and measure each of these wires separately. Then measure each wire to each wire one pair at a time until you have 3 readings of each pair. The readings should be approximately .1 to 1 ohm, the actual value may differ from machine to machine, the important thing is that all 3 readings will be the same. If any of the readings are zero ( a short) or has continuity ( infinite resistance) then the stator is bad and must be replaced.
Good Luck
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Post by amirny on May 10, 2009 23:28:20 GMT -5
thank you!!
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