Suzuki 25 HP DF25ATS5 Outboard Motor

Description

The Suzuki DF25ATS5 for sale on this page is a new 25 HP Suzuki for boats that have a steering console but only a 15 inch transom. It comes in the factory crate with a short shaft, power trim and tilt, electric start and remote steering, in standard Suzuki grey.

Price is on this page. We ship worldwide and send you a full delivery quote first, so you know the total before paying. Questions about fit come before the sale, not after. That is how we prefer to work.

A short shaft remote: who needs the Suzuki DF25ATS5 for sale

Short shaft remote motors are a smaller slice of the market than long shaft ones, and people sometimes order the wrong one because of it. So let’s be clear about who this motor is for.

You need the Suzuki DF25ATS5 for sale when the boat has a transom around 15 inches high and you steer from a wheel. That covers:

• Small aluminium jon boats and mod V boats fitted with a side console.
• Rigid inflatables with a centre console, many of which have short transoms.
• Small flats boats and skiffs built light and low.
• Older fibreglass tri hulls and small runabouts that were built for 15 inch motors.
• Duck boats and marsh boats with a console up front.

If you have a tiller boat, look at the DF25ATHS5. If you measure 20 inches, look at the DF25ATL5. The short shaft remote is right only when both things are true: short transom, wheel steering.

Why not just fit a long shaft?

A long shaft on a 15 inch transom puts the gearcase five inches too deep. That adds a lot of drag, slows the boat, throws spray, and in shallow water you hit bottom sooner. It also changes steering feel. Fitting the right shaft is free speed.

What the Suzuki DF25ATS5 for sale code means

• DF: Suzuki four stroke.
• 25: 25 HP.
• A: the DF25A generation, three cylinder EFI.
• T: power trim and tilt.
• No H: remote steering, no tiller.
• S: short shaft, 15 inch transom.
• No W: standard grey colour.
• 5: the listing suffix. The motor itself is the regular DF25A.

The white twin of this motor is the DF25ATSW5. Same everything, different paint. If grey suits your boat, the Suzuki DF25ATS5 for sale is the cheaper of the two.

Suzuki DF25ATS5 for sale: specifications

Taken from Suzuki’s published DF25A data and dealer spec sheets. The weight is approximate.

Need a figure that is not listed, such as trim range or gearcase oil volume? We can read it from the manual that ships with the Suzuki DF25ATS5 for sale.

The parts of the design that matter on the water

Three cylinder smoothness

Suzuki gave the DF25A three cylinders where most rivals use two. Smaller, more frequent power strokes mean less shake. On a light aluminium boat with a console, vibration travels up into the console and the wheel. With this motor, it mostly doesn’t. Idle is calm. Trolling is calm.

People switching from older 25s often say the Suzuki DF25ATS5 for sale is the first outboard they have owned that doesn’t rattle the rod holders at idle.

Battery-less fuel injection

The injection system makes its own power from the flywheel once the engine turns. On a remote motor, you crank with the key, so you need a battery. But if the battery is weak, the motor will still run cleanly once started. And the emergency recoil rope under the cowl will start it with a dead battery. That is a real fallback, not a gimmick.

Lean burn control

At cruise, the ECU leans out the mixture. In practice, fuel use at mid throttle is low for a 25. We won’t give a single number because your hull, load and prop decide that. But we rarely get a buyer of the Suzuki DF25ATS5 for sale complaining about fuel bills.

Power trim on the control handle

You trim with your thumb, while steering. Light boats with short transoms tend to be sensitive to trim, so this is useful. A small amount of trim out lifts the bow and adds speed. Too much and the prop starts to slip. You learn the feel within a couple of trips.

Shallow running

With power trim you can raise the motor partway and idle across shallow flats. Keep the water intake submerged and keep speed low. A short shaft already sits higher than a long shaft, which helps in skinny water.

Suzuki keeps the whole portable lineup on its outboards page if you want to compare.

Rigging the Suzuki DF25ATS5 for sale on a small console boat

Small boats are tight to rig. Cables have less room to bend and consoles are small. Plan the layout on paper first.

What you need besides the motor

• Remote control box: side mount with key, trim switch and lanyard. Included in some market packages, confirmed in the quote.
• Throttle and shift cables: two, measured for your boat.
• Steering: mechanical helm, wheel, cable and link arm.
• Battery: 12V marine starting battery, box, switch and fuse.
• Fuel: tank, line with primer bulb, water separating filter.
• Optional gauges: a tachometer is the most useful one.

Cable length

Measure from the centre of the control box, along the path the cable will run, to the motor centre line at the transom. Add about three feet for the loop. Round up. On small boats people tend to buy cables too short because the boat looks small. The loop still needs room for the motor to turn and tilt.

Steering on a light boat

Some small aluminium boats twist the transom under steering load. A 25 HP on a light transom can pull hard to one side at speed. Adjust the trim tab first. If the transom flexes visibly, add a transom plate or brace. It is cheaper than fixing a cracked transom later.

Height and prop

With the motor mounted, the anti ventilation plate should be about level with the hull bottom or just above it. Then test. You want the Suzuki DF25ATS5 for sale to reach 5,000 to 6,000 rpm at full throttle with your normal load. Adjust prop pitch if it does not. Genuine props are available through Suzuki genuine parts and accessories.

A typical Suzuki DF25ATS5 for sale setup

To make this concrete, here is the kind of boat we rig this motor on most often, and how it ends up set up.

A 14 foot welded aluminium jon boat, about 1.5 metres wide at the bottom, with a 15 inch transom and a small side console on the starboard side. The owner fishes rivers and lakes with one friend and wanted to sit forward at a wheel instead of at the back with a tiller.

• Motor: Suzuki DF25ATS5 for sale, mounted on the centre line with the anti ventilation plate about half an inch above the hull bottom.
• Control: side mount box on the console, cables run along the starboard gunwale inside a channel.
• Steering: rotary helm with a 13 inch wheel, steering cable through the tilt tube.
• Battery: one starting battery in a box under the console, isolator switch within reach.
• Fuel: portable tank under the rear bench, water separating filter on the transom.
• Extras: tachometer and a small fish finder.

With two people and fishing gear, that boat planes quickly and cruises comfortably at mid throttle. The owner later dropped one inch of prop pitch because the boat carried more gear than planned. That is a very normal adjustment.

What owners tell us after a season

The feedback on the Suzuki DF25ATS5 for sale is fairly consistent. It starts first time, it is quiet, and it uses less fuel than whatever it replaced. The main complaint is about the rigging, not the motor: cables bought too short, or a battery mounted in an awkward spot. Plan those well and the rest is easy. A few owners also mention they wish they had fitted a tachometer from day one, since it makes the prop decision simple.

Weight and balance on small boats

On a light hull, where you put weight matters as much as horsepower. A tiller motor puts the driver, motor, battery and fuel all at the very back. The bow rides high, the boat porpoises and it takes longer to plane. Moving to a remote motor shifts the driver forward and fixes much of that.

You can help more. Put the battery under or near the console, not on the transom. Keep the fuel tank forward of the rear bench if there is space. With the Suzuki DF25ATS5 for sale at around 70 kg on the transom, every kilo you move forward makes a difference on a 14 foot boat. Then use the trim to fine tune.

Measuring a short transom

Put a straight edge across the bottom of the hull at the transom. On the centre line, measure from the top of the transom straight down to the straight edge. Not along the slope of the transom.

• About 15 inches: short shaft. The Suzuki DF25ATS5 for sale fits.
• About 20 inches: long shaft. Pick the DF25ATL5.
• 16 to 18 inches: call us. Sometimes a riser block or jack plate on a short shaft works. Sometimes not.

RIBs can be tricky because the tubes hide the hull bottom. Measure at the keel line. Send us a photo with the tape. A short message now beats a crate going back across an ocean.

Break-in

About ten hours, as the owner’s manual lays out. Simple version:

1. First two hours: under half throttle, change speed often.
2. Third hour: up to three quarters, short full throttle runs allowed.
3. To hour ten: full range, avoid long periods at wide open.
4. Every start: check the tell tale water stream.

Then do the first service on the Suzuki DF25ATS5 for sale: engine oil, oil filter and gear oil.

Maintenance plan

Use Suzuki 10W-40 marine oil or a matching marine four stroke oil. Gear oil goes in from the bottom hole until it comes out the top. On the Suzuki DF25ATS5 for sale, the steering cable deserves extra grease, because short transom boats sit lower and get more spray on the steering gear.

Fuel tips

Regular unleaded at 87 AKI or 91 RON minimum is all the motor needs. Keep fuel fresh, especially ethanol blends. Use a stabiliser if the boat sits for more than a few weeks. A water separating filter costs little and keeps water out of the injectors.

Keep the tank vent open when running. A closed vent starves the Suzuki DF25ATS5 for sale after ten minutes or so, and it looks exactly like a fuel pump fault.

Trailering and storage

Light boats get trailered a lot. For short trips on smooth roads, tilt the motor up enough for ground clearance and use the tilt support lever. For longer or rougher roads, a transom saver bracket takes the load off the trim unit and the transom. The trim rams were not made to hold a bouncing motor for hundreds of kilometres.

Before winter or any long lay up, add stabiliser and run the motor so treated fuel reaches the injectors. Flush, change the engine oil and gear oil, grease all fittings and disconnect the battery. Store the Suzuki DF25ATS5 for sale with the powerhead higher than the gearcase so water can’t run back into the engine. A breathable cover keeps dust and animals out.

Electrics and gauges

The remote control carries the warning buzzer for overheating and low oil pressure, so the motor is safe to run without gauges. That said, a tachometer helps a lot on a small boat. It tells you whether the prop is right, and you can repeat the same cruise setting each trip.

The 12V 14A charging output keeps a starting battery healthy and runs a fish finder and navigation lights. If you add a lot of electronics, fit a second battery with a switch so you always keep one charged for starting. Ask us which Suzuki gauges plug into the Suzuki DF25ATS5 for sale wiring loom before buying others.

Salt water routine

Short shaft boats sit low and the motor gets wet more often. A few habits keep corrosion away.

• Flush with fresh water after every salt trip.
• Tilt up when moored.
• Rinse the clamp bracket, trim rams and steering link.
• Look at the anodes each month. Replace at half size. Don’t paint them.
• Spray corrosion inhibitor under the cowl.
• Fix paint chips on the lower unit quickly.

A Suzuki DF25ATS5 for sale treated like this in salt water lasts many years.

Common issues, simple fixes

No crank

If the Suzuki DF25ATS5 for sale won’t crank, the control lever is not in neutral, the lanyard clip is missing, or a flat battery. Check all three first.

Rough idle

A rough idle on the Suzuki DF25ATS5 for sale usually means old fuel, water in the fuel filter or a blocked tank vent. Fresh fuel and a new filter sort most cases.

Prop ventilation in turns

On light boats with the Suzuki DF25ATS5 for sale, ventilation in sharp turns usually means the motor is trimmed out too far or mounted a hole too high. Trim in before turning. Lower the motor one hole if it keeps happening.

Weak tell tale

Clear the tell tale hole on the Suzuki DF25ATS5 for sale with thin wire. If still weak, check the water intake for weed and plan an impeller replacement.

Trim won’t move

If the trim on the Suzuki DF25ATS5 for sale stops, check battery, fuse and relay. The manual release valve lets you tilt by hand in the meantime.

How the Suzuki DF25ATS5 for sale stacks up

Here are the models people compare with this one, and why they might pick one over the other.

• Suzuki DF25ATSW5: identical, but white.
• Suzuki DF25ATL5: the long shaft remote version for 20 inch transoms.
• Suzuki DF25ATHS5: short shaft with power trim, tiller steering.
• Suzuki DF25AES5: short shaft tiller with electric start but manual tilt, for tighter budgets.
• Suzuki DF20ATS5: the 20 HP short shaft remote with power trim.
• Suzuki DF30ATL5: the 30 HP on the same block, long shaft remote.

All the 25s are in our 25 HP Suzuki category. For every size, see Suzuki outboards.

25 or 20 for a small console boat?

The 20 is lighter on the wallet. The 25 gets a loaded boat on plane more easily and holds speed into wind. If your boat is rated for 25, most buyers are happier with the Suzuki DF25ATS5 for sale. Underpowered boats are the most common regret we hear about.

Buying the Suzuki DF25ATS5 for sale through us

We sell new outboards and ship them worldwide. Each order follows the same steps:

1. Send the model and your delivery location.
2. Receive our written quote with motor, crate and freight.
3. Confirm and pay.
4. We ship the Suzuki DF25ATS5 for sale and send tracking.

Please read our terms and conditions and refund and return policy. Get a quote through the contact page. Find out more about us or read customer reviews.

Warranty

The motor is covered by Suzuki’s factory limited warranty. The term depends on the region of registration and on recreational or commercial use. Some markets offer up to five years for recreational buyers. We will tell you what applies where you live when we quote. Regional Suzuki distributors are listed on the Suzuki global marine site.

Shipping

The Suzuki DF25ATS5 for sale ships by sea freight for cost or air freight for speed. We will quote the sensible option for your destination.

In the crate

• Suzuki DF25ATS5 outboard
• Aluminium propeller
• Fuel tank and line, as packed for this model
• Remote control and wiring loom where part of the market package (confirmed in writing)
• Battery cables
• Tool kit
• Owner’s manual and warranty documents

Not included: battery, steering system, control cables. We can quote them alongside the Suzuki DF25ATS5 for sale so they arrive together.

Pre-order checklist

• Transom measured at about 15 inches.
• Boat rated for 25 HP and the motor weight.
• Room on the console for a side mount control.
• Steering system in place or ordered.
• Cable lengths measured with the loop allowance.
• Battery, box and isolator ready.
• Grey is fine. If you want white, choose the DF25ATSW5.

Suzuki DF25ATS5 for sale: FAQ

Is it new?

Yes. The Suzuki DF25ATS5 for sale is new, unused and shipped in the original crate.

Can I use it on a RIB?

The Suzuki DF25ATS5 for sale suits a RIB if it has a 15 inch transom, a console and is rated for 25 HP. Many small RIBs are.

Does it need a battery?

The Suzuki DF25ATS5 for sale needs a battery for starting and trim. The EFI runs without the battery once the motor is going, and the emergency rope starts it if the battery dies.

What top speed should I expect?

Depends on boat, load and prop. A light 14 foot boat often runs in the mid 20s mph with a 25. Heavier hulls less. We would rather not guess for a boat we haven’t seen.

Do you ship to my country?

We ship worldwide. Send your location and we quote delivery of the Suzuki DF25ATS5 for sale before you pay.

Can I convert it to a tiller later?

It’s possible with parts, but it costs more than buying the right model. If you think you will want a tiller, pick the DF25ATHS5.

Where can I find more help?

Our blog has rigging and maintenance guides.

Order today

The Suzuki DF25ATS5 for sale is the right 25 for a small console boat with a short transom. Quiet, fuel injected, power trim, electric start. Price is on the page. Ask for a delivery quote through our contact page or see the rest of the shop.