mercury blackmax 200 hp 1987

by Roger
(Franksville, Wi USA)

Motor has had many issues, misses under small load but will almost run at wot. had bad plug wires and fuel lines, so those have been replaced , carbs gone thru by a merc mechanic. The idle stabilzer wires are not good, has an erratic idle. That is coming off today. Also shakes the whole boat really bad until you have cleared 2000 rpm. It has been a real pain trying to get some help with this motor as not too many places are keen to the problems with them. Have already removed the oil injection. If i keep taking off parts that dont work pretty soon there won't be enough left to make it run.

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