Saturday, 18 April 2015

Honda CG 125 ignition system - components ( no spark )










The ignition system on the Honda CG 125 is simplistic and all components can be tested easily so no excuses for guessing what part is faulty , test before you buy 





Honda CG 125 ignition system



The Honda CG 125 ignition consists of the following components

Ignition switch obviously this is a switch but it is important with correct operation the bike
will not operate  .

Honda CG 125 ignition system


Generator   generates the voltage need to run lights and recharge the battery for starting

Honda CG 125 ignition system


Pick up coil  on some models you will have a pick up coil  , this used for the ecu to calculate the timing of the spark for best running conditions


Honda CG 125 ignition system

 Points contact breaker ( early models )  similar to a pick up coil it is used to time the spark for best
running conditions .

Honda CG 125 ignition system


HT ignition coil   this is used to turn the 12v battery voltage to 20,25000 volts need to
make a spark jump across the spark plug gap

Honda CG 125 ignition system


CDI unit   use internal mapping to create the best running condition via the electronic ignition

Honda CG 125 ignition system


Regulator   ,  this takes the ac voltage generated buy the generator and converts it to no greater than 14 volts and DC current .

Honda CG 125 ignition system


Spark plug         NGK DPR8EA-9

Honda CG 125 ignition system

Buy all these parts from here Ebay UK

or try here on Amazon UK 






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