Mercury WOT RPM Range Chart*

Mercury* WOT RPM Range Chart
HP/Model	Year	Wide Open Throttle RPM Range*	Gear Ratio
4	1973-1975	4500-5500		2
6	1994-2003	4000-5000		2
8	1994-2005	4500-5500		2
8 4-Stroke	1995-2004	4500-5500		2
8 4-Stroke	2005~	5000-6000		2.08
9.9	1993-2005	5000-6000		2
9.9 4-Stroke	1995-2004	4500-5500		2.01
9.9 4-Stroke	2005~	5000-6000		2.08
9.9 Bigfoot	2006~	5000-6000		2.42
15	1994-2005	5000-6000		2
15 4-Stroke	1989-2006	4500-5500		2
15 4-Stroke	2007~	5000-6000		2.15
20	1986-2005	4500-5500		2.25
20 4-Stroke	2009-2013	5250-6250		2.15
20 4-Stroke	2014~	5400-6100		2.15
25	1985-2005	5000-6000		2.25
25 4-Stroke	2004-2005	5500-6000		2.42
25 4-Stroke	2006~	5000-6000		1.92
25 Bigfoot	1999-2001	5500-6000		2.4
25 Bigfoot	2002-2003	5250-5750		2.4
30	1994-2002	4500-5500		2.25
30 4-Stroke	1999-2005	5500-6000		2
30 4-Stroke	2006~	5250-6250		1.92
40	2001-2002	4500-5500		2
40	2004-2005	5000-5500		1.83
40 4-Stroke	1997~	5500-6000		2
40 EFI Bigfoot	2004~	5500-6000		2.33
40 EFI CT	2014~	5500-6000		2.33
50	1991~	5000-5500		1.83
50 4-Stroke	1998~	5500-6000		1.83
50 Bigfoot	All	5500-6000		2.33
50 EFI CT	2014~	5500-6000		2.33
60	1991-2005	5000-5500		1.64
60 4-Stroke	2001~	5500-6000		1.83
60 Bigfoot	2001~	5500-6000		2.33
60 EFI CT	2014~	5500-6000		2.33
75	1990-2005	4750-5250		2.3
75 4-Stroke	2004-2006	4500-5500		2.33
75 4-Stroke	2007-2014	5000-6000		2.33
75 4-Stroke	2015~	4500-5500		2.07
90	1989-2004	5000-5500		2.3
90	2005~	5000-5500		2.33
90 4-Stroke	2004~	5000-6000		2.33
90 EFI CT	2014~	5000-6000		2.38
100	1989~	4750-5250		2.3
115	1989-2005	4750-5250		2.07
115 4-Stroke	2001-2006	5000-6000		2.07
115 4-Stroke	2007-2014	5800-6400		2.07
115 4-Stroke	2015~	5000-6000		2.07
115 EFI CT	2014~	5000-6000		2.38
125	1994-2005	4750-5250		2.07
135	1990-1996	5000-5600		2
150 EFI	2004	5000-6000		1.87
150 EFI	2005	5000-5600		1.87
175	1990-1999	5000-5600		1.87
175 EFI	2000-2002	5000-5600		1.87
200	1991-2005	5000-5600		1.87
200 EFI	1994-2002	5000-5800		1.87
225	1996-1998	5000-5500		1.64
225 EFI	1996-2004	5000-5800		1.75

Mercury Verado* WOT RPM Range Chart
HP/Model	Year	Wide Open Throttle RPM Range*	Gear Ratio
135	2007-2010	5200-6400		2.08
150	2006~	5800-6400		2.08
175	2006~	5800-6400		2.08
200	2005~	5800-6400		2.08
200 PRO	2015~	5800-6400		1.85
225	2005~	5800-6400		1.85
250	2005~	5800-6400		1.85
250 PRO	2011~	5800-6400		1.85
275	2005-2010	5800-6400		1.85
300	2008~	5800-6400		1.75 / 1.8
300 PRO	2011~	5800-6400		1.75

Mercury Optimax* WOT RPM Range Chart
HP/Model	Year	Wide Open Throttle RPM Range*	Gear Ratio
75	2004~	5000-5750		2.33
90	2005~	5000-5750		2.33
115	2007~	5000-5700		2.07
115 PRO XS	2015~	5000-5750		2.07
125	2011~	5000-5750		2.07
135	1996-2007	5000-5600		2
135	2008~	5250-5750		2
150	2004~	5250-5750		1.87
150 PRO XS	2011~	5250-5750		1.87
175	2000-2010	5250-5750		1.87
175 PRO XS	2008~	5250-5750		1.87
200	1998~	5000-5750		1.75
200 PRO XS	2011-2012	5500-6000		1.75
200 PRO XS	2013~	5000-5750		1.75
225	1998-2012	5000-5750		1.75
225 PRO XS	2006~	5500-6000		1.75
250	2007~	5500-6000		1.75
250 PRO XS	2007~	5500-6000		1.75

Look Up Propellers
for Mercury Outboards

*ALWAYS CHECK YOUR OWNERS MANUAL FOR ACCURATE ENGINE RPM RANGES.

* Trademarks
Mercury is a registered trademark of the Brunswick Corporation
Verado is a registered trademark of the Brunswick Corporation
Optimax is a registered trademark of the Brunswick Corporation
All trademarks remain the property of their respective owners.