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Last Updated: July 28, 2012

Shogun FL125 Generator Test

Shogun FL125 charging system is actually the same as shogun FD125XRM. This article will show you how to test your electrical preferably the CHARGING and lighting system.













CHARGING and LIGHTING wiring diagram



Here i'll be giving you where and what to check if you are having problems with battery charging and lighting problems. You'll be needing a multi meter a digital with a diode test to perform troubleshooting your own bike.

LOCATION of SHOGUN FL125 Regulator 


The regulator is located in front when you take off front cover, shown in number 2 with part number SH672, remove the connector shown in number 1, set your multimeter to diode test and follow the next picture for the right data.

You dont need to turn your ignition, this is to test the leakage on your Regulator.







The reading of all the test must be close to what is written above, if there is a short or almost 0 on the digital read out then the Regulator is defective.

If all test of the regulator is OK!! we then proceed with the generator system and lighting coils resistance and voltage.

GENERATOR Resistance and Voltage check

Set the digital multimeter in resistance range.


Disconnect the  black connector as shown to perform resistance and voltage check, this is the connector of the generator, other is for the pick-up coil and ground.














for lighting coil resistance, connect the multimeter probe to Y/W (yellow with white strip wire) and to ground..

The reading must be
0.4 - 1.0 ohms

and for the charging coil, connect probe to W/R (white wire with red strip) and ground.

The value must be
0.6 - 1.2 ohms


VOLTAGE CHECK

NOTE: 
This check must be taken with safety because we are talking about AC voltages here. No wires from the generator must not touch any metal on the chassis. Youll be needing to crank the engine and rev to 5000 rpm to test the generator output.



Multimeter is set to AC voltage range. connect probes as shown, AC do not have polarity so either way..

W/R and ground rev at 5000 rpm must read
50 volts AC or more but no more than 100 volts

Y/W and ground rev at 5000 rpm should read
40 volts AC or more but not more than 80 volts

readings not close or lower than the specified value means there are problems with the generator windings, either there are short due to exposed wires inside and or the skin coating of the enamel wires of the windings are already exposed to the oil.

GOODLUCK with the test.

UPDATED

Full schematic wiring diagram of this bike can be found here

SHOGUN COMPLETE WIRING DIAGRAM

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