cannot get engine to fire
 

changed spark plugs but doesn't seem to fire anyone run into this problem

Did you go through the electrical box and chech all connections? I recently had the same problem and found a loose connection.

What type of engine? buggy/kart?

i need help diag. no spark on gy6 150 dont know if its the cdi or ign coil

What type buggy? was it running or is this buggy new to you? have you checked all the connections? How do you know it's not getting spark?

timbvr
 

it's new to me, just repairing it for a friend. its a twister brand,was running when i got it .replaced the start relay and starter. engine turns over but wont start. havent had a chance to check all connections yet.i used a spark tester on it.leaning toward a bad connection.is there a way to check the cdi and ign. coil