1991 mercruiser 5.7, no spark

mg63

Recruit
Joined
Jun 9, 2012
Messages
1
The boat ran about 30 minutes, would die and did not restart for an hour. Tuned up, same problem. Last time I ran it it died all of a sudden and will not restart. Turns over fine, coil tests fine, 12+volts to coil, no spark at plugs. Disconnected tach, no help. What else? Thanks
 
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