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For people with larger outboards

Posted on 7/4/13 at 1:40 pm
Posted by OhFace55
Baton Rouge
Member since Sep 2007
7040 posts
Posted on 7/4/13 at 1:40 pm
Say 150 and up... How many RPM's do you usually run your engines at when you go out.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 7/4/13 at 1:44 pm to
All engines have a recommended cruise RPM. Usually something like 70% of max rated RPM. For most 2 stroke engines its in the low 4000's. I'm not familiar with what the four strokes are rated at.

You should be able to find your engine's recommended cruise RPM somewhere.
Posted by AboveGroundPool
the basin
Member since Aug 2010
3769 posts
Posted on 7/4/13 at 1:46 pm to
I cruise at 5000 rpms, wot is 5900 rpms, mercury 225 proxs
Posted by TrueTiger
Chicken's most valuable
Member since Sep 2004
67635 posts
Posted on 7/4/13 at 1:53 pm to
I cruise my old school carbureted 150 at around 4,200 rpm.

It's a Mercury V-6 2 stroke.
Posted by subMOA
Komatipoort
Member since Jan 2010
1706 posts
Posted on 7/4/13 at 1:58 pm to
200 HPDI- make a 20 mile run out to the Biloxi Marsh as my normal haul.

Around 3700 rpm.

When it's glassy calm and I'm late- 5500 rpm about 54 mph.

I fish with a guy in the Keys who has over 4000 hours on a pair of 250 4 strokes- he claims to have neve run them over 4000 rpm.
Posted by Who Me
Ascension
Member since Aug 2011
7090 posts
Posted on 7/4/13 at 2:02 pm to
Yamaha 150 4 stroke

I usually cruise around 4000-4500 rpm. Which would be 35 mph up to 39 mph.
Posted by Me4Heisman
Landmass
Member since Aug 2004
5509 posts
Posted on 7/4/13 at 2:11 pm to
Is 5200 too high on a suzuki 150 4 stroke?

Edit: just saw the suzuki website has a range of 5500-6100 . Seems high to me.
This post was edited on 7/4/13 at 2:14 pm
Posted by finfeathersport
Member since Jan 2013
234 posts
Posted on 7/4/13 at 2:20 pm to
It depends on how rough it is, but in the bayous and protected bays, 4500-5000... Very rarely run wide open unless running from weather or late...200 verado
Posted by JAB528
The Mexican Ocean
Member since Jun 2012
16870 posts
Posted on 7/4/13 at 2:21 pm to
Yamaha 150 4 stroke 4-4500 cruising.
Posted by SmackoverHawg
Member since Oct 2011
27318 posts
Posted on 7/4/13 at 2:26 pm to
Bout 5000 rpms on mine.
Posted by PapaPogey
Baton Rouge
Member since Apr 2008
39421 posts
Posted on 7/4/13 at 2:32 pm to
300 Yamaha V6 @ about 4800 cruising
Posted by tight lines
Baton Rouge
Member since Jun 2012
348 posts
Posted on 7/4/13 at 2:34 pm to
I've heard zukes have a different lower unit gear ratio than others--might have something to do with it.
Posted by lsu mike
Gonzales
Member since Sep 2006
8580 posts
Posted on 7/4/13 at 2:40 pm to
250 pro xs : usually somewhere around the range of 4600-5000. WOT is about 5900-6000.
Posted by Da Hammer
Folsom
Member since May 2008
5754 posts
Posted on 7/4/13 at 2:49 pm to
225 Optimax, normal for me is about 4200 RPM's about 35 mph. WOT is 5500 rpm and about 49 mph
Posted by Tilco Baller
[posi] nega barner
Member since Jun 2012
1563 posts
Posted on 7/4/13 at 3:34 pm to
08 150 opti, cruise at 3500-4000 (26-31 mph), wot around 5500 I think (43mph)
Posted by Bullredbf
thibodaux
Member since Feb 2013
901 posts
Posted on 7/4/13 at 3:58 pm to
4 strokes are meant to run at higher RPMs. At least thats what my mechanic says. Having said that, twin yam 150 4 strokes. I cruise at 4-4200 rpm about 33 mph. Dad runs his optimaxs 3800-4000 but he is conservative.
Posted by OhFace55
Baton Rouge
Member since Sep 2007
7040 posts
Posted on 7/4/13 at 4:12 pm to
Always interesting to see. Twin etec 200s for me. I cruise at 4100 which is around 36 for me depending on how much gas I am holding.

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