Mercury v10 400s on 34 Freeman (how fast, MPG, and review)
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- Опубліковано 8 лют 2025
- Since many of people have asked what the numbers on the v10 400s, I decided to do a video on them! I started at 3000 rpm up to WOT! The mercuries are very fuel efficient on the freeman and I'm more than happy I went with them!
3000rpm - 21mph 1.3mpg
3500rpm - 29mph 1.48mpg
4000rpm - 38mph 1.46mpg
4500rpm - 48mph 1.35mpg
5000rpm - 51mph 1.10mpg-against tide/wind
5500rpm - 57mph 1.04mpg-against tide/wind
6000rpm - 67mph 1.04mpg
RPM Limiter (WOT) - 69mph 0.96mpg
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Tight lines!
Those numbers are insane, I love Yammy but went with the 300 mercs on my new boat. Pushing 300 hours and they haven’t missed a beat. Mercury is about 10 years ahead of the competition
good to hear!
I’ve got merc 300 v8’s with 1,400 hours, still running strong with 100 hour services!
@rickyanthony no need to unmount for service
Excellent, thank you for sharing! I’m having a new SeaHunter Built with 400 v10’s white like yours based out of Naples. I don’t going into the mold till this fall. I pan to book an outing with you this summer with my brother in law and my nephew !
Sweet hopefully we can make it happen
Good luck with the new motors!
Beautiful motors. Man that startup was cool AF. Thanks for posting
Awesome Video! thanks for doing this.
Enjoy that life. GOOD LUCK ,BE THANKFUL.TAKE CARE.
So awesome!
That wildly outperforms what I was expecting to see for speed!
i believe she has 70mph in her with the right conditions
Glad to hear you like these. I’m trying to decide single Verado 300 or single v10 400. I’ve heard of issues with the V8 at times.
@@kirkwilliams2127 go with the v10s you won’t regret it
Wow that was amazing and if you had a pair of 400R would be even crazier
Not in the same league at all but my 2012 Mercury 60HP has never had a single problem. And now the stories of the Rich and Famous. lol
Great video. Thx for putting the numbers together and actual running. Agree reliability of the 300 yamahas is great but looking at two different Everglades. One has twin V10 and one has twin 425 Yamahas. I have real concern on long run with sound of the Yamahas. Was this video good representation of the sound of the twin V10s? They were impressively low dB.
I have Yami’s and when it comes to sound, Merc’s blow them away. That’s literally my biggest complaint as well with Yami’s. I do the the autotrim that comes with Merc’s tho, that’s an awesome feature!
🔥🔥🔥👍🏾
At idle, they sound fantastically raw, but when accelerating, they don't sound like a V10, but more like some electric industrial machine. With the 2 stroke you could hear the acceleration sound clearly and distinctly but not with the 4 stroke, however it must be said that at idle the 2 stroke didn't sound much either.😊

Thanks for the video and numbers. What does that boat weigh? I’m running quad 300 Suzuki’s currently - last forever at the rate I’m going… who do you use for insurance? 42 Prowler here….
9000 dry
Charterlakes insurance
Cool thanks
Awesome video man! What length engines do you have 25" or 30", also what props are you running? Can you run on 1 engine pretty well? Reason I ask, I'm building a 31 ameracat and I've got to pick motors fast so I have them in time. Thanks in advance, and congratulations on a perfect boat brother!
The 400s only have 1 prop option. Just pick a pitch
@Reese_Asher what pitch props do you have?
They sound cool. Do they last?
These boats have very impressive fuel economy. The larger Freemans with the quad 300s will still get 1.1 miles to the gallon.
What pitch and props are you running ?
Is this a repower? what motors originally and what top speed? I wonder how these motors would do on a 32 SeaVeeZ for repower, interested to see how these motors are holding up in another year as they're still so new. How many hours do you have now and any problems?
Appreciate the video. V10 400s on jackplates are my top choice for my next 30’ Wildcat. Even though we’re smaller our dry weight is about 1,000# lighter. I’m interested in what your real world economy is. I’ve had Zuke 300s and now Zuke 350s (both are very close in efficiency) and need to figure out how long it’ll take to break even on the V10$ versus trying their V8 300s.
Incredible performance but I'd be worried about how fast you gotta go to plane that hull if shit really ever hit the fan.
What? Hull planning speed is the same with ANY engine. Thats the hull, not the engine. Of course RPM will change depending on engine but planning speed is fixed.
What of batteries do you have in this boat? We just got a 2019 34 with the 400 v10 verados and we are gonna replace the ones it had just would like to know you opinion since you’ve ran the boat 1000 hours with no problems… thank you this is pretty urgent if you could respond asap please…
X2 AGM, I think they are standard unless you want to upgrade to lithium
@ thank you!!!
How are the motors this far ?
WOT On that motor should be 6350. Prop accordingly
at first I didnt realize the fuel burn was only showing a single engine..almost fell off my chair haha
What pitch props are you running?
25s
Will she plane off on one motor?
i dont think so, but i have never tried
Nice, but you were going out with the tide that changes things.
Those props don’t like low RPMs. Might look at backing the pitch off 2” and putting some cup in it to get your mpg up at 3500rpm cruise.
I think these engines are around $70k each to replace when they are shot.
42k msrp most dealers sell them for ~$39.5k
@@theonlybug393 Oh I thought they were the V12's for some reason. What does a dealer charge for labor to install a new outboard?
doesnt matter how fast it goes on flat water lets see it out in the ocean
You’re saying 1.5 but gauge shows much better.
2 engines. Might have to divide those numbers by 2.
That is what I was going to ask. The gauge is showing double the number he is saying. I can only guess that gauge is for one engine so both engines would be half? Still doesn't make sense though because the gauge should be for both engines.
@@leftycosta1899look at the number in the lower right that is the combined fuel flow the mpg on the display is wrong (only using single outboard fuel flow)
Are you rich
Less fuel you will do 70...
Say um a whole bunch more...
33 thousand 😂😂😂😂
That is pretty damn slow for a 34' boat with 800hp!!!
How fast is your 34?
@rdfish I don't have a piece of shit Freeman, but several V-Hull 34' boats run this fast with the same power. Yellowfin is just as fast with the same power, and will accept more power than yours.
A Fountain 34 will run within a couple MPH of your boat with 800hp, and it weighs more than yours! It will ALSO accept more power and is a better boat.
You want more examples of better boats? Cats are SUPPOSED to be faster than V-Hulls, but your POS is built like shit and slow as fuck.
Those are nice boats your name dropping....but they don't hold a candle to the ass of a freeman! Not only is the freeman wider, has more square footage, looks better, and rides so much better than your examples...I'd have to see numbers on a monohull that is supposed to be so much faster than a cat.
Often wonder about how these trust fund babies going to do when the *S* hits the fan
@@Off-The-X I’m not sure, I have to ask them myself.