2016 Mojo Surf Setup with Upgraded Rear Ballast

I've seen a few threads about a lack of push from the 2016 Mojo and I have some questions from those who have tried similar setups.

We upgraded to 1100's in the back lockers completely full with completely full front/IBS. Wake plate up and 2 adult males on surf side. Typical water depth between 15-37 feet. 10.5 miles/hr

I've found that with this setup, I can get pretty good wave size and push on the port surf side, but the starboard side only gives sufficient push when you're surfing super close to the boat. If you get anymore than 6 feet behind the boat, it loses all push and you fall out the back.

We've tried adjusting the surf plate, wake plate, and ballast in the rear non surf side but still can't get the wave to lengthen with any push. We've even messed with the front ballast as well. With a total of water ballast weight of 3200 lbs, I feel like we should be getting a better wave.

Has anyone tried converting the 650 lb bags they took out after upgrading and adding them to surf side with any luck?

Attachment 24764
Attached is a pic of my starboard wave. 10.8mph, plate 100% up, tab @ 100% for starboard, 65% for port. You can piggy back the stock 650s under the seats and just accept that they won't fit well and can't fill all the way. I added 400s under the seats in addition to 1100s in the rear lockers. Makes a big difference when ridding with a small crew. Only two people in the boat when the pic was taken.

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Originally Posted by PuraVida

Attachment 24764
Attached is a pic of my starboard wave. 10.8mph, plate 100% up, tab @ 100% for starboard, 65% for port. You can piggy back the stock 650s under the seats and just accept that they won't fit well and can't fill all the way. I added 400s under the seats in addition to 1100s in the rear lockers. Makes a big difference when ridding with a small crew. Only two people in the boat when the pic was taken.

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Still looking for a wave. 😉


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I also run 1100 in the rear. Rear, IBS and center full. For the goofy wake i have the following setup: Wakeplate all the way up, tab 100% for starboard surfing and 60-70% for portside surfing. I place 2 people on surfside i get great push and pretty good length. The only trouble i have is that the wave washes out from time to time. Don't know yet how to fix that. Starboardwave is easy to dial in. Everything full wakeplate at 50%. About 10 mph for both sides.

2016 surf edition moomba- bought it this summer as I assumed the surf issues I was reading about was "rider error"- we had it out each weekend- stock 2500 lbs- spent endless hours trying to dial in, but by end of summer it was the kids/ladies surf boat while the guys used my neighbors wakesetter (also stock). Even with added lead and 1000lb fat sack on the back bench, we called it a 4" wave (need a board 4" longer than we normally ride). My kids are young, my wife thin, so the mojo will work for a few years- but I regret the purchase- I'm 210lbs and am used to a 4'9" board, I need a 5'+ to ride the mojo mid wave! Tricks are out of the question, and endless pumping isn't why I surf!

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Originally Posted by Dmoomba

2016 surf edition moomba- bought it this summer as I assumed the surf issues I was reading about was "rider error"- we had it out each weekend- stock 2500 lbs- spent endless hours trying to dial in, but by end of summer it was the kids/ladies surf boat while the guys used my neighbors wakesetter (also stock). Even with added lead and 1000lb fat sack on the back bench, we called it a 4" wave (need a board 4" longer than we normally ride). My kids are young, my wife thin, so the mojo will work for a few years- but I regret the purchase- I'm 210lbs and am used to a 4'9" board, I need a 5'+ to ride the mojo mid wave! Tricks are out of the question, and endless pumping isn't why I surf!

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So all your bags are still factory? What settings have provided the best wave? I have 200 pound rookies surfing mine. Maybe we can help so you can enjoy the nice boat you bought. Also, have you checked speed against gps? Mine was off 2mph.


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Originally Posted by Dmoomba

2016 surf edition moomba- bought it this summer as I assumed the surf issues I was reading about was "rider error"- we had it out each weekend- stock 2500 lbs- spent endless hours trying to dial in, but by end of summer it was the kids/ladies surf boat while the guys used my neighbors wakesetter (also stock). Even with added lead and 1000lb fat sack on the back bench, we called it a 4" wave (need a board 4" longer than we normally ride). My kids are young, my wife thin, so the mojo will work for a few years- but I regret the purchase- I'm 210lbs and am used to a 4'9" board, I need a 5'+ to ride the mojo mid wave! Tricks are out of the question, and endless pumping isn't why I surf!

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I agree to check the speed and you absolutely need to put 1100s in the rears as the stock don't even cut it for the craz. Every foot backwards of those rear seats is going to dramatically add to the ramp and push to your wave. And even try and dump some of the front bag. I wouldn't quit on it just yet but I will say you def need more weight better distributed.

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Originally Posted by icemanftr

Still looking for a wave. ��
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Me too . . .

Why does the mojo surf wave seem so illusive? It seems some guys have it dialed and some guys are totally fed up with trying. The thing is built for surfing, it shouldn't be this difficult. I mean, it should at least be surfable from factory. Makes me think there could be some kind of issue with the way the tabs are mounted on a certain batch of boats. Maybe I'm grasping at straws here, but I feel like someone from moomba should step in with some assistance. Sure seems like there are quite a few unhappy mojo customers.

OP let's see a wave pic!

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I wonder how many moomba owners that don't even visit this forum think that their stock wave is the best it's going to get lol.

Bag that shit already & stop complaining. 1100 rears and 375 under port seat. GPS your speed and get the surf tabs around 60-65%. Boom Boom [emoji631]


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Originally Posted by russellsmojo

So all your bags are still factory? What settings have provided the best wave? I have 200 pound rookies surfing mine. Maybe we can help so you can enjoy the nice boat you bought. Also, have you checked speed against gps? Mine was off 2mph.


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For the kids, we fill up the whole ballast, tabs full and plate 75%. I haven't checked the speedo, but will for sure. We are +/- 10 mph a half. For the kids/wife it's fine. When I ride with the family I use the trusty 5'2" O'Brien Haze, I only put 50% in the front and 80% starboard ballasts, but 100% on the plate to get consistent push- leaving me unfortunately dang close to the boat if I just want to relax vs thrash/pump.

I will upgrade the back bags to 1100s (are there bigger options that fit?) and check the speedo. I saw that the stock bags don't fit under the seats cleanly, but I could manipulate the fill % to make them work.

Sadly, for a $70k "surf" boat to need aftermarket, rigged under seat ballast and 4000lbs to be reliably usable is an epic fail. My friend has a 2004 Nautique that he surfs with less weight and drama. Regrets? I have a $70k one.

I'm another one that doesn't understand the Mojo struggles. I found it to be pretty straight forward.

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Originally Posted by Dmoomba

For the kids, we fill up the whole ballast, tabs full and plate 75%. I haven't checked the speedo, but will for sure. We are +/- 10 mph a half. For the kids/wife it's fine. When I ride with the family I use the trusty 5'2" O'Brien Haze, I only put 50% in the front and 80% starboard ballasts, but 100% on the plate to get consistent push- leaving me unfortunately dang close to the boat if I just want to relax vs thrash/pump.

I will upgrade the back bags to 1100s (are there bigger options that fit?) and check the speedo. I saw that the stock bags don't fit under the seats cleanly, but I could manipulate the fill % to make them work.

Sadly, for a $70k "surf" boat to need aftermarket, rigged under seat ballast and 4000lbs to be reliably usable is an epic fail. My friend has a 2004 Nautique that he surfs with less weight and drama. Regrets? I have a $70k one.

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What do you mean by tabs full? Are you surfing regular or goofy? I don't have rigged under seat ballast or 4k lbs and I can surf without any issue. Same with everyone that has been on the boat. Bigger than 1100s isn't going to fit and it's not necessary.

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Originally Posted by Dmoomba

For the kids, we fill up the whole ballast, tabs full and plate 75%. I haven't checked the speedo, but will for sure. We are +/- 10 mph a half. For the kids/wife it's fine. When I ride with the family I use the trusty 5'2" O'Brien Haze, I only put 50% in the front and 80% starboard ballasts, but 100% on the plate to get consistent push- leaving me unfortunately dang close to the boat if I just want to relax vs thrash/pump.

I will upgrade the back bags to 1100s (are there bigger options that fit?) and check the speedo. I saw that the stock bags don't fit under the seats cleanly, but I could manipulate the fill % to make them work.

Sadly, for a $70k "surf" boat to need aftermarket, rigged under seat ballast and 4000lbs to be reliably usable is an epic fail. My friend has a 2004 Nautique that he surfs with less weight and drama. Regrets? I have a $70k one.

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Very few boats come from the factory with an epic wave. Even the 160K boats need tweaking and additional weight. Mojo has a fantastic surf wave. Take a deep breath, listen to what the others on this forum are telling you and go enjoy your boat. I can assure you once it's dialed in your friend with the antique Nautique will surfing your boat not his.


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Quote:

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Originally Posted by Dmoomba

For the kids, we fill up the whole ballast, tabs full and plate 75%. I haven't checked the speedo, but will for sure. We are +/- 10 mph a half. For the kids/wife it's fine. When I ride with the family I use the trusty 5'2" O'Brien Haze, I only put 50% in the front and 80% starboard ballasts, but 100% on the plate to get consistent push- leaving me unfortunately dang close to the boat if I just want to relax vs thrash/pump.

I will upgrade the back bags to 1100s (are there bigger options that fit?) and check the speedo. I saw that the stock bags don't fit under the seats cleanly, but I could manipulate the fill % to make them work.

Sadly, for a $70k "surf" boat to need aftermarket, rigged under seat ballast and 4000lbs to be reliably usable is an epic fail. My friend has a 2004 Nautique that he surfs with less weight and drama. Regrets? I have a $70k one.

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Go look at overall boat weight for the manufacturers you mentioned and you will see that mojo simply needs more weight. Mojo is about 2k pounds light compared to g23 and factory ballast is 2,900 compared to mojo 2,500. That's a huge difference (2,400 pounds). I have friends with malibu's they all need more bow weight which makes seats not useable so there goes family boat.
It's already been said but you can add a lot of ballast and be less than 130k for g23. This is just a silly comparison.

This also sounds like a dealer fail to me. Did you get a test drive? Did you ride it? Did they have settings known to work? Moomba does need to know their dealers could help this situation out a bunch at point of sale.




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Quote:

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Originally Posted by Dmoomba

Sadly, for a $70k "surf" boat to need aftermarket, rigged under seat ballast and 4000lbs to be reliably usable is an epic fail. My friend has a 2004 Nautique that he surfs with less weight and drama. Regrets? I have a $70k one.

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We attend a few surf competitions throughout the year and often compete behind boats that cost quite a bit more than your Mojo and they all require additional weight beyond what comes out of the factory.

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Originally Posted by Dmoomba

For the kids, we fill up the whole ballast, tabs full and plate 75%. I haven't checked the speedo, but will for sure. We are +/- 10 mph a half. For the kids/wife it's fine. When I ride with the family I use the trusty 5'2" O'Brien Haze, I only put 50% in the front and 80% starboard ballasts, but 100% on the plate to get consistent push- leaving me unfortunately dang close to the boat if I just want to relax vs thrash/pump.
.

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Get a different board too., should be able to speed up to 11.2 and flatten plate a bit to get more space. If you get the he 1100s you'll need bow weight of 650 , if not 750s should do the trick to get you surfing at a fair distance.

http://uploads.tapatalk-cdn.com/2016...60d472e2f7.jpg
Regular wave, 2 people in the boat. Can't get bent out of shape for needing more ballast, the new centurion boats come stock with 5100lbs.! Think about your boat's total weight with ballast, gas, gear, people,etc. The mojo needs at least 8,000lbs. min to have a good wave and more is always better. Most days with crew we ride in the 9-10k range. Compare that to the stock centurion at 10k+ from the factory and you can see why so much weight is required.


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Thanks all for the intel- spoke with the dealer and they are installing the 1100s- they felt stock bow/mid was adequate with the 1100s. I also got the dealer to commit to getting a rep out to my lake once all is installed- will update once it's all completed- in the spring!

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Originally Posted by Dmoomba

Thanks all for the intel- spoke with the dealer and they are installing the 1100s- they felt stock bow/mid was adequate with the 1100s. I also got the dealer to commit to getting a rep out to my lake once all is installed- will update once it's all completed- in the spring!

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You are going to have a better 2017 experience!!


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That's awesome to hear. That thing should surf like a champ!

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Originally Posted by russellsmojo

You are going to have a better 2017 experience!!


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I agree.

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Originally Posted by PuraVida

http://uploads.tapatalk-cdn.com/2016...60d472e2f7.jpg
Regular wave, 2 people in the boat. Can't get bent out of shape for needing more ballast, the new centurion boats come stock with 5100lbs.! Think about your boat's total weight with ballast, gas, gear, people,etc. The mojo needs at least 8,000lbs. min to have a good wave and more is always better. Most days with crew we ride in the 9-10k range. Compare that to the stock centurion at 10k+ from the factory and you can see why so much weight is required.


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I took a little longer look at this photo. Holy smokes that's a wave. I get that the angle helps but wow. I think they superimposed north shore Hawaii behind a boat.


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Anyone tried dropping in by jumping off the swim deck while in motion? I've tried it behind my craz a few times. Being so low in the wave truly makes you appreciate the size of these waves and the amount of water our boats displace. The wave is literally chest height from down there. Sorry to get off topic, but that mojo wave brings back good summertime memories.

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Originally Posted by mattsask

Anyone tried dropping in by jumping off the swim deck while in motion? I've tried it behind my craz a few times. Being so low in the wave truly makes you appreciate the size of these waves and the amount of water our boats displace. The wave is literally chest height from down there. Sorry to get off topic, but that mojo wave brings back good summertime memories.

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I've played with doing this but the closest I have been has been from jumping off the upper deck. I can't get high enough from the swim deck to position the board. I've gotten the board under but my dumb ass can't figure out what to do after that [emoji12]

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Originally Posted by russellsmojo

I took a little longer look at this photo. Holy smokes that's a wave. I get that the angle helps but wow. I think they superimposed north shore Hawaii behind a boat.


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I have to confess that in order to make the best "looking" wave, we turned the boat away from the surf side. The slight away turn makes it steeper and curl harder but I typically don't ride it like that.


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Quote:

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Originally Posted by mattsask

Anyone tried dropping in by jumping off the swim deck while in motion? I've tried it behind my craz a few times. Being so low in the wave truly makes you appreciate the size of these waves and the amount of water our boats displace. The wave is literally chest height from down there. Sorry to get off topic, but that mojo wave brings back good summertime memories.

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I have tried it a few times with zero success. It's so awkward jumping back into a wave coming at you. It sounds simple until you stand on the swim platform and try it. Maybe it would work if I weighed less but I think I use that excuse too much when surfing.


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Quote:

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Originally Posted by mattsask

Anyone tried dropping in by jumping off the swim deck while in motion? I've tried it behind my craz a few times. Being so low in the wave truly makes you appreciate the size of these waves and the amount of water our boats displace. The wave is literally chest height from down there. Sorry to get off topic, but that mojo wave brings back good summertime memories.

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it's called an acid drop. my daughter does it all the time, especially in early Spring & Fall when she doesn't want to be in the cooler water too much. I probably have a few vids of her doing it. Key is to elevate enough to have time to get the board under your feet and you have to immediately lean forward & pump into the wave or you will just fall out the back. The cold water was motivation for her to learn quickly.

Ill second all of these issues. Upgraded to 1100's for 2017 and going to gps my speedo. 310lbs at 8.7 mph riding my dart 5'6 was all I could get with 750 rears. Wife and kids were fine, slim and trim. We shall see.

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Not that u don't have to be careful but our best curl on 2015 mondo was upgrade to 2015 autoflow 2.0 plates. Custom 3600lbs 8 meat head muscle freaks and 3 fitness gals most likely comming up on 2k of bodies. Proper correctly and on glass a killer curl. Never do this on the new helix due to bow design...all the talk about 50 percent weight here...70 percent port or starboard is false. Displacement ...displacement...displacement. ...all plates at 55 to 60 percent.

If your not fully filling is and adjusting the trim tabs you are cheating yourself.

Freeboard is your friend!

Think what that m235 malibu can take! Freeboard dwarfs most everything out there

I have a 2015 Mojo and I have found the following to produce the best surf wave for us. We have the surf edition with the bow bag and I've upgrade to 1100lb sacks in the rear lockers. I also upgraded the surf plates to the larger version 2.0. I fill rear locker bags and everything upfront completely full. I took the stock rear locker bags and placed them under the rear seats. Last year I used the Tsunami pump to manually fill the bags under the rear seats. I found that filling the surf side and leaving the non surf side bag empty produced the best wave. We mostly surf on the port side and set surf tab at 65%.
We found the paddlewheel was about 2 MPH off at surf speeds, based on GPS readings.
I am about to pull the trigger on getting the bags under the seats plumbed in.

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Originally Posted by PuraVida

http://uploads.tapatalk-cdn.com/2016...60d472e2f7.jpg
Regular wave, 2 people in the boat. Can't get bent out of shape for needing more ballast, the new centurion boats come stock with 5100lbs.! Think about your boat's total weight with ballast, gas, gear, people,etc. The mojo needs at least 8,000lbs. min to have a good wave and more is always better. Most days with crew we ride in the 9-10k range. Compare that to the stock centurion at 10k+ from the factory and you can see why so much weight is required.


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I really like this comparison, my questions is: I have a 16 craz with the factory 2500 ballast and I am planning on adding more ballast (fly high Enzo 1450#) my concern is when is "too much" weight for safety? The factory recommendations with the factory ballasts is somewhere around 2600# between people and gear. If I add an additional 900# I still feel we will be safe for our usual group but again, when is too much weight? https://uploads.tapatalk-cdn.com/201...cc0634b8de.jpg


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I have never been floating in a craz but I have had my mojo with 4200lbs of ballast and a crew of 14. Never felt unsafe but never was able to get on plane without dropping ballast, even with an upgraded prop. With an evenly weighted boat, you can handle much more than twice the weight of the old listed setups. We used to list my buddies old Supra till we sunk the rub rail. That setup felt unsafe because it we so tippy when on plane plus the drop nose of the old Supra design was venerable to spearing waves for the inexperienced driver.


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Originally Posted by Stimbert

I really like this comparison, my questions is: I have a 16 craz with the factory 2500 ballast and I am planning on adding more ballast (fly high Enzo 1450#) my concern is when is "too much" weight for safety? The factory recommendations with the factory ballasts is somewhere around 2600# between people and gear. If I add an additional 900# I still feel we will be safe for our usual group but again, when is too much weight? https://uploads.tapatalk-cdn.com/201...cc0634b8de.jpg


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I regularly run 4200 lbs of ballast in my craz. I would say it's not even remotely close to the point of making me uncomfortable. It was my girlfriends first year driving a boat, let alone a slammed wake boat, and she never felt like it was unsafe.That boat has a ton of freeboard. My setup would be very similar to the equivalent of enzo sacs. Have you measured the lockers to see how well those bags will fit? I have talked to another guy running the 1450 enzo's in a craz and he said they are a big improvement over 1100's

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Originally Posted by mattsask

I regularly run 4200 lbs of ballast in my craz. I would say it's not even remotely close to the point of making me uncomfortable. It was my girlfriends first year driving a boat, let alone a slammed wake boat, and she never felt like it was unsafe.That boat has a ton of freeboard. My setup would be very similar to the equivalent of enzo sacs. Have you measured the lockers to see how well those bags will fit? I have talked to another guy running the 1450 enzo's in a craz and he said they are a big improvement over 1100's

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Yep, they seem like they will fit perfectly. My plan was to get the 1450s and use the 2 factory ballasts to move around the boat to fine tune so that would be 4400# total. Do you have a picture of your wave with your setup?


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Originally Posted by Stimbert

Yep, they seem like they will fit perfectly. My plan was to get the 1450s and use the 2 factory ballasts to move around the boat to fine tune so that would be 4400# total. Do you have a picture of your wave with your setup?


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I do have a few good pics, but not having the greatest time finding them. The one pic is the goofy wave in about 12' of water. Not riding the back of the wave by any means, but you can see I'm part way up the wave and it's roughly waist high. The other is a pic of the boat at rest with 3700 ish lbs of ballast and a couple passengers. As you can see the boat can handle big weight.

https://uploads.tapatalk-cdn.com/201...24cb55c2e3.jpg

https://uploads.tapatalk-cdn.com/201...032a2156c7.jpg

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Did the pics work? For some reason they're showing up as a broken link, but when I click on them they show up.

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https://uploads.tapatalk-cdn.com/201...1b238a476b.jpg

As the caption says. That's the wave you'll get from enzo sacs in a craz. Just stumbled on that pic on instagram yesterday. The guy looks to be quite tall. That wave is no joke.

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Yes they did. You've definitely got my
wheels turning. 1450s it is! Thanks!


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Originally Posted by Stimbert

Yes they did. You've definitely got my
wheels turning. 1450s it is! Thanks!


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If you wouldn't mind, let us know exactly how well they fit. I'm sure I'm not the only craz owner on the forum that is on the fence about adding Enzo sacs.

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