THE NUMBERS ARE IN! | Mercury V8 300 Performance MPG | EP 30

In this episode, we look at the efficiency (MPG) out of our Mercury 300 V8 on our 25' Center Console Fishing Boat. Join us as we take a cruise in Miami, FL and watch the range of numbers. We had about 130 gallons of fuel (about 800 pounds) in the boat for this test. Be sure to subscribe if you want to see more test like this one with less and more weight to give you real world numbers.

Prop Tested: Mercury Enertia Eco 16 x 20P

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[ReelReports]

Ordered a 19 pitch eco prop for our next test. Stay Tuned.

[johnross]

At each speed increment. FREEZE the throttle movement for at least 30 seconds. That will let the lean burn program kick in for that position. Saving 20-24%. You ever let that happen at any of the speed measurements. Trimming a fixed throttle setting? Then freeze that once proper trim. So motor recalibrates.

[megamattoutdoors]

Excellent information. Glad to see you mentioned the various factors in the beginning to weed out a lot of questions. This might make a good series on the different conditions on the water as to how well the boat performs. Keep it up

[randy_powell]

That v8 is so much better than the verados! Your numbers are really close to what my suzuki 300 does. I spin more rps though.

[SBoag]

To convert m/gal to km/litre divide by 2.35. So 3.2m/gal = 1.4km/litre. (From Australia).

[rayo]

Greatt vid ... glad i stayed to end as i been out of boating for a couple of years ..wasnt aware of the kill lanyard requirement here in Miami ... nice hull .. Whitewater?

[tdee]

Incredible! Merc's have come a long way. Rething my Yamaha loyalty. Have twin 2019 150HP Yam's w/ three blade props on 244 Center Console Key West. In comparison: 31 MPH at 3900 RPM's burning just under 2GPH with a WOT 5100 RPM 41mph. Understand, not fair. Saw performance of twin 2020 200 HP Merc's on a 27 Contender getting what your 300 HP got. Keep us posted on long term performance and reliability. Thanks for posting.

[stepabove]

Love the boat nice clean look with single engine looks like you gonna get plenty of sun without a t top you can always add one you don't have to worry about rod obstruction lol.

[webe_fishing]

Oh yea forgot to say “get it girl” LMAO. That was funny

[Captchriscamacho]

Those are great numbers. Over 2.4 mpg... time to ride to the Bahamas!

[robertcarr]

Thanks for posting this. Looking to repower my 22' Dolphin and the Mercury V8 300 is on my radar screen. If only I could find one for sale! Any thoughts on how this motor stacks up against the Suzuki 300?

[mikesf]

love to hear about trim techniques bow and engine.

[douanfernandez]

Buenísimo eso es ser económico lol bueno good job capitán 👨‍✈️

[johnross]

Op does not let the computer tune the motor at each fixed speed to test mpg. The 300 will settle in maximizing timing, leaning, and other factors once the speed is set and fixed over time. Way increasing mpg. He never lets enough time for this feature to dial in fully.

[crowman]

You have the kill switch attached to you if you get thrown overboard but no lifejacket on.

[alohapittsy]

I want to do this why my boat comes. This is nice. 50 at over 2mpg is awesome!

[oswaldcobblepot]

Is this a 25 SeaVee? Clean looking rig.

[fullsendmarinedarwin]

How do you get the HUD to display on the video like that with engine RPM etc?? bloody awesome

[kalsaumesatungiamata]

Sweet. Can you do a review on the new Yamaha 250 and 300 HP and its DES

[philOKC]

Very interesting for me. I am looking for a no frills CC fishing boat that is competent and safe to take off shore 75-100 miles. I am trying to decide if I need two engines for redundancy and safety’s sake. As a former Naval Aviator we always had at least two engines on our helicopters, and I have experienced shutting down one engine during an emergency hundreds of miles off shore in the Mediterranean while we made our way back to the boat. Would like to hear some opinions on the one vs two engine safety factor in a boat. I am assuming each engine has its own sepetate fuel tank.