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An outboard motor is designed to develop its rated power within a specified engine speed range. The maximum rated power delivered by the motor can be found in your Service Manual.

Select a propeller to meet the required specifications provided in your manual. If you are not using a factory specified propeller and it fails to meet the requirements than use another pitch propeller to hold the engine speed within the range specified in your manual, refer to the propeller selection chart in that book.

Common Questions: Can I use a steel propeller on my four stroke, what is the difference between steel vs. aluminum prop, which is a better propeller, steel or aluminum? Do they sell a 4 blade prop? 24" pitch stainless propeller, Polished replacement prop, performance prop, increase speed by switching props.


Suzuki Models / Horsepower / Model Years

DF4 DF4 DF6 DF9.9 DF15 DF25 DF30 DF40 DF50 DF50 DF40QH DF50QH DF40T DF50T DF40Y DF50Y DF70 DF80 DF90 DF100 DF115 DF175 QH T Y 4HP 5HP 6HP 9.9HP 15HP 25HP 30HP 40HP 50HP 60HP 70HP 90HP 115HP 140HP 150HP 175HP 4 5 6 9.9 15 25 30 40 50 60 70 90 100 115 140 150 175 HP 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 99 00 01 02 03 04 05 06 07 08 09 10 11 Service Manual Repair Owner's Guide Diy Boat Engine Four Stroke 4-Stroke How To Fix.