Get rid of the stock CDI use the 04 or 05 cdi

Want to really wake up the motor and feel some awsome power ? Get rid of the stock pipe and silencer V-Force reeds up one tooth on the rear sprocket . And toss the CDI Box replace it with an 04 or 05 CDI box then you'll have pleanty of over rev with out the motor poping or going flat up top the FMF Rev pipe with the short silencer is the way to go keep an eye on your jetting till you get it right use race gas Torco 2 gall race gas to 3 gall pump gas Ultra if you have the money have the carb riffled boared and head redone then look out all 250f's the kx 125 will kick ****..............