4hp Mercury 4-stroke NO SPARK

[chatenever]

Approx 10 year old Mecury 4HP 4stroke engine has no spark. I've swapped electronic ignition module and magneto and spark plug with identical parts from a running motor. Still no spark. What else can I check?

 

[haventaclue]

I don't know anything about 4 stroke,but this sounds like a grounding kill wire.Look for bare wire earthing.