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What size of motor for 20' pontoon?
Posted: Sat Jan 30, 2010 3:57 pm
by Mike&Renee
We are in the process of getting a pontoon boat. We are looking at a sweetwater Tuscany 2086 and was wondering if anyone would know if a Yamaha T50 would be to small for it. If you have a 50 HP on yours, do you wish you would have a gone with a bigger motor?
Thanks for any answers.
Mike & Renee future pontoon owners!
Re: What size of motor for 20' pontoon?
Posted: Sat Jan 30, 2010 4:09 pm
by HandymanHerb
Welcome!!!
Good tip is go as big as your toon or wallet will let you , I have a 50 on mine and I get around 15 mph lightly loaded, but would like a bigger engine for pulling tubes.
But we need to know how you be using to to better guild you too, but it's cheaper to go bigger now because no one has said here I wished I got a smaller engine.
Re: What size of motor for 20' pontoon?
Posted: Sat Jan 30, 2010 4:16 pm
by Ghost Rider
What are you going to be doing with your toon. Are you going to pulling a tube. Fishing, Or just putting around. You need to take all these things into consideration. I have a 40 on my 20 footer but all I use it for is cruising around, And it is perfect for that. But if I want to pull the kids I have to use my in-laws Ski boat. I am sure the guys here will all agree. See what your boat is rated for in HP and get the most you can afford..
Re: What size of motor for 20' pontoon?
Posted: Sat Jan 30, 2010 8:11 pm
by lakerunner
Min 75 perfect is a 90 for a 20. I had a 20 with a 50, fine for few passengers and slow cruising. To run from weather your soaked.
Re: What size of motor for 20' pontoon?
Posted: Sun Jan 31, 2010 4:46 am
by Bamby
We have a Honda 50 on our 24 footer and actually we've always been happy with it for our use. But then most of the places we boat at are in reality rather small by the standards of the size of some of the waterways some of the folks on here boat in.
The 50 may also suit your uses just fine also, but one thing I've learned is to exploit largest in class motor if possible in this case the T50 and T60 are exactly the same size and weight so why forfeit the extra 10 ponies when I'd be carrying them around anyway with the 50. You can see a table here to see what I mean.
http://www.yamaha-motor.com/outboard/pr ... specs.aspx
Re: What size of motor for 20' pontoon?
Posted: Sun Jan 31, 2010 10:31 am
by dahogman
I had a Yammy 90 four stroke on my 20 footer, I still wanted a little more motor. Best speed I ever got was 28 mph, under perfect conditions with just me on board.

Re: What size of motor for 20' pontoon?
Posted: Mon Feb 01, 2010 3:51 am
by ROLAND
Mike&Renee... I have a 20' bennington SFi, rigged for fishing. It has a 75 hp 4 stroke on it. Seems to move plenty fast enough for us, but then again we're not trying to race anyone. As a comparison, my son has a 22' party barge with a 115 4 stroke on it. And his boat dosn't seem to go if at all, much faster than ours. Could be the difference in weight of the 2 boats also.
Roland
Re: What size of motor for 20' pontoon?
Posted: Mon Feb 01, 2010 6:59 am
by wed
my toon is a little over 21' and is rated for 90 HP. I bought it with a 60 HP 4 stroke. The salesman told me that I really should get the 90 if I planned to carry more than two or three adults. I went back and got the 90 and I am glad I did. If you plan to cover distance, run from weather, pull tubes, etc. you need to get as much motor as you can afford within the rating of the boat. As other have already said... I have not heard anyone complain about too much motor.
Good luck with you decision.
Re: What size of motor for 20' pontoon?
Posted: Wed Feb 03, 2010 2:29 pm
by schmir
Go with the 90 if you can. I have a 20 footer with a 90 on it and and I get about 23-24mph with 2 guy and light load. When I have a full load of people, it really slows down and just pushes water.
Re: What size of motor for 20' pontoon?
Posted: Wed Feb 03, 2010 6:58 pm
by Snider4
If it's in your budget, get the 90hp. If you think you will get it in the future, get it now and you'll save a little with the package.
Our 50 does what we ask it to, but it is limited I started with a 9.9 with plans to move up some day and that day came very soon!
Oh yea, welcome to the club!
