1981 johnson 9.9 PROPS

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brianlt21

Well-known member
Joined
Jun 28, 2008
Messages
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Location
natrona heights pa
I was looking for a new motor or carb but someone said try a prop first.. Well what are you guys running on your 9.9s with a new deck in your boat? I currently have a 9 1/2 x 10 and someone said to drop to a 9 1/4 x 7 but don't know what my rpms are or speed and don't want to blow my motor up.
 
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