What is the procedure for turning a 9.9 into a 15? I was told there was a "restrictor plate" behind the carb that had to be removed, and then a timing change? All info is appreciated. Thanks! (:
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Topic - Modifying a Merc 9.9 to a 15 HP - CaptnJac 08:58:00 06/23/04 (2)
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