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wallace fournier
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" I have a '88 Mercury 90h
" I have a '88 Mercury 90hp, 3cyl, oil injected 2 stroke motor that keeps fouling one cylinder plug. Any advice or direction would be appreciated. Motor got a new ingnition control unit last year. "
" I have a '88 Mercury 90hp, 3cyl, oil injected 2 stroke motor that keeps fouling one cylinder plug. Any advice or direction would be appreciated. Motor got a new ingnition control unit last year. "