Recent content by SummitPower

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    Instructions For Changing Power Trim/Tilt Oil

    Can someone give me the instructions or a web site on how to change the power trim/tilt oil in a 1996 Johnson 90 outboard. Also what kind of oil to use?<br /><br />TIA
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    Prop Diameter

    What effect does prop diameter have on the performance of a boat on both hole shot and top end?
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    Johnson 90 to 115

    I have a 1996 Johnson 90 and was wondering if it can easily be upgraded to a 115? What does it involve? Does it affect the reliability of the motor?<br /><br />TIA
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    Operating RPM Range for 1996 Johnson 90

    I was wondering what is the operating RPM range for a 1996 Johnson 90 and where the peak HP should be? Presently I have a 21" pitch prop and I get about 4500 RPMs when trimmed up with the boat minimum loaded, I think this is about 500 rpm too low. Any comments?<br /><br />TIA
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