trigger issues??please help

woodworker7738

Recruit
Joined
May 6, 2011
Messages
3
Hey everyone,,got a headache..Replaced the trigger on my Classic fifty,45 horse Mercury.Got my spark back.Spin it and she back fires like crazy! Checked it with a timing light,,its 180 out,,on the marks..When i tdc and check with the light it shows exactly 180 out....PLEASE HELP!!
 
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