Small Pontoons/Tri-toons

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Small Pontoons/Tri-toons

#1 Post by Pontooner359 » Fri Aug 31, 2018 8:46 am

Hi, does anyone know a manufacturer that makes a 19-20 ft Pontoon/tri-toon that allows for more than a 90hp engine (ideally 150hp) ? The largest boat I can fit in my slip is 20ft. I've been searching but no one seems to make. Thanks!

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Marc K
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Re: Small Pontoons/Tri-toons

#2 Post by Marc K » Fri Aug 31, 2018 11:25 am

Lowe makes a nice 19' but it is limited to 115 HP.
I typically see 150's on boats 21'-22' or larger.
25' Crest II DL
Yamaha F115 4 Stroke

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Re: Small Pontoons/Tri-toons

#3 Post by rbtnt » Sat Sep 01, 2018 4:18 am

Check with this company as they make custom toons.

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Re: Small Pontoons/Tri-toons

#4 Post by willy13 » Sat Sep 01, 2018 5:55 am

That would be a fun tritoon. I thought about going that size since I am on a small lake but the family is too big.

I went with Fire and Marine, they did the toons, I did the rest. There transom design is for 20" (L) Outboards which is what you would want for a small tritoon in my opinion. If you are fine with 2-strokes, Evinrude's G1 150hp would be a nice light 150 at about 410 lbs. The next would be Mercury's 150 fourstroke at 455 lbs.

If anyone gives you grief about that much HP on a 18' tritoon, go tell them to check out the bass boats. :lol3 Besides your setup would fall under the hull hp formula that someone came up with to steer manufactures in the right direction. (length x width) x 2 - 90 = Max HP

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Re: Small Pontoons/Tri-toons

#5 Post by captain28570 » Tue Sep 04, 2018 8:55 pm

I have a 150 on my 22 footer. It runs 43 and believe me that's moving. Its rated for 200. It would do 47 or 48 with the G2 HO 200.

I couldn't imagine a 150 on a much lighter tritoon.
2017 22 Manitou Aurora LE SHP Tritoon Evinrude G2 HO 150

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Re: Small Pontoons/Tri-toons

#6 Post by SouthernKomfort » Wed Sep 05, 2018 11:11 am

I have a 2016 Qwest tritoon LS820. It has a Yamaha 115 on it. I believe it's rated for a 150 but the 115 is fine. It is plenty big for the usual crew I carry, 4 adults 3 children. With a full boat I hit 28-30 mph. Just me and a friend I hit 35-38mph.


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Re: Small Pontoons/Tri-toons

#7 Post by ron nh » Wed Sep 05, 2018 12:45 pm

I also have an 18' Qwest tri-toon with a 115 that hits 40 MPH GPS. The 20 footers are rated for a 150 HP. I've had mine for 4 summers now and have never had an issue that I didn't create. The LS lines are beautiful, Now they have a series above that. Also Avalon does (or did) make them, And since Qwest has gotten popular other companies have built them as well, But I don't remember who.
2015 Qwest LS 818XRE Tri-toon w/mercury 115.

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