Merc 40HP wont start

CpnSensible

Cadet
Joined
Apr 29, 2002
Messages
10
I have recently rebuilt the powerhead of a early 70's Mercury 40HP (had water seeping through the exhaust plate). Anyway its all put back together now and won't start. I have taken out spark plugs and tested the spark - very weak and erratic. Carby was rebuilt recently - there is fresh fuel there. Any clues would be most appreciated.<br />Thanks in anticipation<br /><br />Peter
 
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