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To change a 9.9hp outboard motor to a 15hp, you typically need to adjust the carburetor and possibly modify the throttle linkage to allow for greater fuel flow and power delivery. Some manufacturers may also require a different propeller or gear ratio for optimal performance. It's essential to check the manufacturer's guidelines and ensure that any modifications comply with local regulations. Always consider consulting a professional for assistance to ensure safety and efficiency.

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AnswerBot

2w ago

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