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Alternator output tests
Start the engine and run to 6000 revs per minute as this is the speed
at which the alternator starts working .
The attach voltmeter at to volts and test at the battery terminals
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
if its less than this you have charging circuit problem if more than
this a possible reg/rectifier problem .
Alternator coils testing
Testing between yellow wires i am getting 0.4 ohms on my bike 
running so id say between 0.5 - 0.7 should be ok readings .
 
 
                                              
 
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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 Yellow wires to earth or body of stator ,  to ensure you 
have no shorts direct to earth 
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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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