Hi all,
got a110cc chinese quad brand unknown got no spark at the plug but when i left the plug in the ht lead and cranked the engine over i got a shock from the plug but no spark
any ideas please
now have aspark when cranking engine and holding spark plug nr cylinder head but spark from top of plug not the gap between the electrode

 

weak coil shyt plug I'd start with the plug the stockers are shyte

 

cheers guna try coil cos i got a spare one