Thankyou for your response to my problem and in the morning I have a guy coming down to start looking at her so I will ask him to start there....
runs fine for half an hour then only on full throttle starts missing as if only firing on four or five cylinders pull back to half power and runs...
I have a jeanneau 650 leader with the cobra 4.3 V6 engine, the boat is a 93 model so I assume the age of the engine is about the same. When I run...