Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 120Get this manual

Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 120

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Timing Belt inspection Replace timing belt if any of the following conditions are found Cracks in the back of the belt or in the base of the belt teethExcessive wear at the roots of the cogsRubber por