Miss firering

[GEORGEZ]

hey all i took my bike out today and noticed it was miss firering like crazy back fires every second , i put a new spark plug in and it still does it , has anyone got any ideas on what it could be ? cheers George

 

[The_GDFP]

What bike? What has changed since it didn't do it?

 

[MiniFighter]

Usual response..Have you checked your valves?

How long has it been since it was last ridden?

 

[!bmth!]

sounds like mine now i got a broke carby check your valves and clean your carby is what i think and then do your mixture srew should run good then

 

[GEORGEZ]

not sure what it is as when i got it it just had a after market sticker kit on it , its 140cc to thats all i know,

 

[!bmth!]

is it a yx becaus im having these troubles lol and i have a yx

 

[MiniFighter]

not sure what it is as when i got it it just had a after market sticker kit on it , its 140cc to thats all i know,

Post up a pic mate if ya can.

 

[sean01]

bad cdi unit (bad earth) or crap in the carby...

if it has an inner rotor kit fitted then you can bet its the cdi lol