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Old 13-04-2015, 15:39   #106
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Originally Posted by Cyrus747 View Post
some good info guys. they are not a popular brand in my parts (BC Canada). so in comparison, do you find the Suzuki quicker than other 4 stroke motors in the same class you have owned? it has less CC's than the other brands. just wondering if I should go to a 20?
Mine will plane 4 people in 10' 4" rib, my old yamaha 15 would only do 3.
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Old 13-04-2015, 16:29   #107
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

I needed a new remote auxiliary and found a leftover 20A for the same price as a 9.9B, so went with the 20. I have about 60 hours on it now. Last week I ran it for about 31 hours coming up the ICW and used 10 gal. About 1/3 gph pushing a 26' 5000lb hull @ 3krpm & 6mph. So far I am happy with it.
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Old 13-04-2015, 17:05   #108
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Mark,
Where did you get a service manual?

Brown's Point Marina sells them - they are the complete official service manual that the dealerships, etc use. Very complete.

Mark
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Old 13-04-2015, 18:59   #109
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Mine will plane 4 people in 10' 4" rib, my old yamaha 15 would only do 3.
out of curiosity what does your rib weigh?
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Old 13-04-2015, 19:19   #110
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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out of curiosity what does your rib weigh?
Empty about 130. I probably have 25 lbs of permanent gear on board. The 4 people on boar probably averaged 185. I do have a foil on the anticavitation plate. My old Yamaha did too.
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Old 14-04-2015, 20:42   #111
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

think I will go with the 15 since that is what my boat is rated for...if it does not have enough... can always upgrade the components...I just cant get over the lightweight of this motor. Everything else is a tank.
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Old 15-04-2015, 03:55   #112
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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think I will go with the 15 since that is what my boat is rated for...if it does not have enough... can always upgrade the components...I just cant get over the lightweight of this motor. Everything else is a tank.

That's why I went with the 15.

Runs like a scalded cat.

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Old 15-04-2015, 04:03   #113
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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I needed a new remote auxiliary and found a leftover 20A for the same price as a 9.9B, so went with the 20. I have about 60 hours on it now. Last week I ran it for about 31 hours coming up the ICW and used 10 gal. About 1/3 gph pushing a 26' 5000lb hull @ 3krpm & 6mph. So far I am happy with it.
Good Lord, you should be, I'm not good at math, but that's like 18 MPG?
I'm a bigger boat, but my Diesel inboard will only give me at best 6.5 MPG at 6.5 kts and 2000 RPM.
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Old 15-04-2015, 04:10   #114
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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think I will go with the 15 since that is what my boat is rated for...if it does not have enough... can always upgrade the components...I just cant get over the lightweight of this motor. Everything else is a tank.
I may be wrong with this, but as the 15 is the identical motor, it's just possible the 15 might produce almost as much torque as the 20, and maybe the extra 5 HP comes in at a higher RPM, so down low the 15 might be almost as strong as the 20?
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Old 15-04-2015, 04:10   #115
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Brown's Point Marina sells them - they are the complete official service manual that the dealerships, etc use. Very complete.

Mark
Thanks
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Old 15-04-2015, 05:01   #116
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Good Lord, you should be, I'm not good at math, but that's like 18 MPG?
I'm a bigger boat, but my Diesel inboard will only give me at best 6.5 MPG at 6.5 kts and 2000 RPM.
Yeah. There was some slow going as well so the actual was closer to 15mpg. Its computer has SMIS so for an extra $100 you can connect it with NMEA to get the exact numbers and engine info on your plotter.

Quote:
I may be wrong with this, but as the 15 is the identical motor, it's just possible the 15 might produce almost as much torque as the 20, and maybe the extra 5 HP comes in at a higher RPM, so down low the 15 might be almost as strong as the 20?
There is a 20 min youtube comparing the two and it looks that way. The 20hp is published at 300rpm higher than the 15.
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Old 15-04-2015, 05:20   #117
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

15 MPG in a boat is phenomenal, that's what 3 gl or less per full day of motoring?
SMIS? Mine's just on my dinghy so I won't bother, but my last powerboat I was able to connect the engine through NMEA 2000 to my chart plotter and see all kinds of data like fuel burn, all temps and pressures etc and the plotter knowing GPS speed would give me a MPG readout, fuel consumed, range, all kinds of data.
What is SMIS and how do you use it? What data can you get?
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Old 15-04-2015, 05:38   #118
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Originally Posted by Cyrus747 View Post
think I will go with the 15 since that is what my boat is rated for...if it does not have enough... can always upgrade the components...I just cant get over the lightweight of this motor. Everything else is a tank.

The only difference between the 15 and 20 is the computer (most likely only the computer firmware at that). When buying new, there is a $150-200 difference between the two. Swapping the computer after sales cost $800-900, so if you think you will ever want the 20hp, it makes more sense to just buy it now.

If you only want a 15hp in the meantime, just limit the throttle twist to 3/4...

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Old 15-04-2015, 05:40   #119
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

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Originally Posted by a64pilot View Post
I may be wrong with this, but as the 15 is the identical motor, it's just possible the 15 might produce almost as much torque as the 20, and maybe the extra 5 HP comes in at a higher RPM, so down low the 15 might be almost as strong as the 20?

That is basically it - higher rpm with the necessary fuel control that requires. All done through different software loaded in the computer.

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Old 22-04-2015, 09:26   #120
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Re: Anyone with the new Suzuki DF15A or DF20A Outboard?

bought the 15 yesterday. It sure does not have the stature of a 15 as it looks likes a 6 horse on the back of my boat. My dealer was really clueless when it came to the motor. Any suggestions as to break in or servicing etc?
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