G25 Surf Setup

[g25xr7]

New to Nautique. Curious what everybody uses as their surf set up on the new G25’s. Any additional weight and placement info would be great.

[GMLIII]

I have a G23 but out of the box on a G25 , you might as well purchase ten 50 lbs bags of steel shot and play around with moving them them around . In my G23 , I have 750 lbs of steel shot bags which really helps in enhancing the wake . I have 200 lbs in bow , 250 lbs in port side observer seat to offset prop rotation, 150 midship portside and 150 midship starboard . Also check out “Surf Nation” on line for set ups

[g25xr7]

Was planning on ordering 500 lbs of the lead bags. Thanks!

[GMLIII]

Was planning on ordering 500 lbs of the lead bags. Thanks!

Yes start at that poundage and work up with weight enhancement of steel shot bags. 750 lbs is fine for my G23 and I have it dialed in but due to the extra 2 ft of a G25, many folks are loading steel shot bags in the stern lockers . At the end of the day you may be purchasing another 500 lbs on top of the 500 Lbs you are planning on purchasing

[Bevostein]

What I have been told for adding additional weight to 2016 and later boats is that the G23 likes to be weighted mid ship with some in the bow as GMLIII describes. The G25 however can and needs additional weight in the stern.

[JasonAK]

You need around 1000lb extra placed mid ship 600 port 400 starboard. I plan to run 800lbs of extra ballast via Wakemakers PNP under side seats with 200lb of lead under observers seat.

[greggmck]

What I have been told for adding additional weight to 2016 and later boats is that the G23 likes to be weighted mid ship with some in the bow as GMLIII describes. The G25 however can and needs additional weight in the stern.

Exactly right. But the G25 has the same ballast as the G23 however its hull is about 10% longer with greater surface area. So to get the hull to ride lower you are going to need much more weight. I was loaned a G25 while I was waiting for my G23. I needed about 1,000lb to get a great surf wave. But I train for competition and may have a different standard than you. Perhaps start with 600lbs. Put 400lbs under the port side passenger seat and 200lbs under the starboard side passenger seat.

You always want 200 to 300lbs of ballast bias to the port side to offset prop torque. With this configuration surf at about 11.2 to 11.5. To length the wave purchase another 300lbs and place 150lbs in the bow port side and 100lbs in the starboard side. If you want the wave steeper put that weight in the rear lockers instead. (150lbs port, 100lbs starboard). If you want more push add weight in 200lbs increments with 50lbs in bow and stern (port and starboard sides) always preserving the 200 to 300lbs bias to the port side. You can build a fantastic wave on the G25 but you need to add at least 900 to 1,000lbs.



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[sessions]

the other interesting factor I have found on my 2108 G25 is water depth and currents. I find going against the current helps the wave and if I get in less than 12' of water the wave dies. Thoughts?

Also does anyone make a plug and play system for the G25 so I can put bags under seats without drilling holes in boat?

[g25xr7]

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The boat needs water to displace under it, so there are depth requirements in order to displace enough water for the wave.

[Mahnal]

I have 700 lbs in a '14 G25. I put 100 on each side in the front, 200 under the port passenger seat, and the 150 under each bench seat. No one was sitting in the front, but the bow was down and the exhaust was out of the water, so exhaust was in my face riding, so we moved 100 from the bow to the stern, and that seemed to fix it. Point is, I am not sure the G23 configuration mentioned above works in the G25. So, here are my questions, thoughts.

1) As long as you have your passengers balanced the G25 doesn't need an extra 200lbs on the port side. I think 100 or 150 total bias to port is sufficient?
2) A little weight in the front may be helpful, but don't need a ton. Also, putting the weight in the front of the front storage or putting in in the read of the front storage has a slight, but noticeable effect.
3) Has anyone put more than 1000lbs of extra lead weight or ballast in a G25?
4) What is the point where either it doesn't help, or the boat just sits too low in the water?
5) How much does the extra weight impact the wakeboard configuration?

Also, in experimentation, I left the NSS and NCRS both at 5 to get a steep fairly long wave. I am fond of seeing the wave curl, so maybe I just need to get over that.

Thanks, DL

[rcraighughes]

Im just taking delivery of my G25 and we are going to plumb in two additional 750 bags. Will update in a week or two once finished

[Proedge]

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any updates? I'm purchasing a 2019 G25 and am trying to figure out what I will need to do to enhance the wave. I was really hoping the wave would be good out of the box, how bad is it really from the factory?

[greggmck]

Keep in mind surf weighting of the G series very much depends upon the year of the hull design. Pre 2016 hulls can take weight in the rear lockers while the 2016 - 2020 hull wants the weight to be more midship. The 2021+ hull wants weight in the center to rear. Here is the configuration I have found to produce a fantastic surf wave for the 2016 to 2020 G25 Hull. Each blue rectangle represents a 50lb bag. You can use weighted bags or people to achieve a great wave so adjust accordingly to your typical crew size.

[Proedge]

thanks for the post. I started looking at newer Mastercraft boats, like the Xstar and the X24, because I was concerned that a 19 G25 wave would not be comparable to those boats. I was told that a G25 would need to add a couple thousand pounds of additional ballast to make a similar wave to an Xstar or X24. Which makes sense, considering the G25 has less than 2500lb factory ballast, whereas the Mastercrafts have 4000lb+

[timmacd]

Keep in mind surf weighting of the G series very much depends upon the year of the hull design. Pre 2016 hulls can take weight in the rear lockers while the 2016 - 2020 hull wants the weight to be more midship. The 2021+ hull wants weight in the center to rear. Here is the configuration I have found to produce a fantastic surf wave for the 2016 to 2020 G25 Hull. Each blue rectangle represents a 50lb bag. You can use weighted bags or people to achieve a great wave so adjust accordingly to your typical crew size.

Gregg - do you have any thoughts on ballast for the '22 G25 with the supplemental ballast package? I'm coming off a '17 G23 and while the wave on the G25 is crazy long, it feels a bit mushy compared to my '17. I can get a lot better pop behind my neighbor's '16 G23. I have 250# under the passenger side and 100# under each tower and am riding 100% on all ballast at 12mph. Going to try backing off the speed next run to see if that makes a difference. Thanks for any thoughts you or anyone else might have!