Saturday, 11 April 2015

Aprilia RS 125 HT ignition coil testing

Another easy test to do , to test if you coil is within manufacturers specs .

all you need is a multimeter ,

Need a Multimeter try here mines a kewtech and it has been excellent .

Buy New and used coils here or look here for High performance coils 

                                           Set meter to read ohms ( auto range )

and then perform both tests below            

aprilia rs125 coil


Primary side (12v) test between earth and icu connector 

by the way mine is faulty both side in fact as was not working 

Secondary test between icu connector and HT lead end 

Results should be 

Primary side test 

122 engine     0.11~0.21 ohms 
123 engine   0.5 ohms 

Secondary side test 

122 engine 4.3~8.1 K-ohms 
123 engine 1.9~2.4 K-ohms 

see more Aprilia RS 125 posts here 

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