Tuesday, 19 April 2016

Cagiva Mito 125 Charging , generator , alternator , stator and pick up coil testing

Alternator output tests 

Start the engine and run to 6000 revs per mintue as this is the speed at which the alternator starts working .

The attach voltmeter at to volts and test at the battery terminals reading should be 13,5-15v

if its less than this you have charging circuit problem if more than this a possible reg/rectifier problem .

Need a Multimeter try here mines a kewtech and it has 

been excellent .

Alternator coils testing 

Set multimeter to ohms , test measurements between 2 yellow wires and then  yellow wires to earth .

                                  Testing between yellow wires im getting 0.4 ohms my bike is running 
                                            so id say between 0.5 - 0.7 should be ok readings .

Test between Yellow wires to earth or body of stator ,  to ensure you 
have no shorts direct to earth 


Need a new Alternator Stator ?  try here

Pick up coil testing 

Pick up coil is important as a rank position sensor  spark pv timing .

here is how i test mine and mine was fully working so measurements should be ok

test between red/black wires now 

im getting readings of around 100 omhs on a working pick up coil 

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