Recent content by yugom70

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    Prop Help! for Heavy 10ft Jonboat with 9.9 hp 2 stroke Merc

    Re: Prop Help! for Heavy 10ft Jonboat with 9.9 hp 2 stroke Merc I got this motor dialed in last night, and new prop arrived and installed. After closer examination on older prop the shaft sleeve of the prop seemed a out of balance possibly causing the cavitation that I was seeing, looks...
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    Prop Help! for Heavy 10ft Jonboat with 9.9 hp 2 stroke Merc

    Hi guys and gals, been searching all day on this site trying to figure out what I need. First off boat: Wooden Jonboat 9.9 feet long, 48 inches wide. Heavy, 400 lbs or so, lots of freeboard 24". I have a 2002 mercury 9.9 mariner 2 stroke with factory prop 9x9p. With another 400(motor and gear...
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