my buddy replace the oil pump on his 1989 60hp evinrude because of a rough running & excessive smoke condition, now it wont start. we checked for spark & are only getting spark through the bottom cylinder, switched all three coils & they all seem to be ok but only on the bottom cylinder! Any one have an idea what to check next and/or what he may need to re-visit from the new oil pump replacement which he had to add a 4th wire to (purple). Thanks in advance for any help.
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