Have 2007 mercury 5o hp

[Randy 321]

Have mercury 50 hp 2 stroke will idle but when in gear starts knocking at engine a nd miss firing

 

[mechanicman]

Are the plug wires in the correct places?

 

[Randy 321]

Are the plug wires in the correct places?

Yes it will miss fire when you give it fuel but not engine knock until you put it in gear