I hav a r15 v2 and iam done 36k .. 4 months agi my engine bored..and n

I hav a r15 v2 and iam done 36k .. 4 months agi my engine bored..and now adays my bike has missing while riding. And when i stop try to start again self start didt work .. I hav to push start it..new sparkplug and adaptor. And new ecu.. The problem still there what should i do now ?? Help me pls..

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