Suzuki DF200ATL Specifications
| Engine Model: Suzuki DF200ATL |
| Engine Type: 4-stroke inline 4-cylinder DOHC 16-valve gasoline outboard engine |
| Total Displacement: 175 cu.in (2.9 L) |
| Rated Engine Power: 200 Hp (147 kW) at 6000 rpm |
| Fuel System: Multi point sequential electronic fuel injection |
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The Suzuki DF200ATL is a 200 Hp, four-stroke
outboard distinguished by its in-line four-cylinder architecture. This
design achieves a significant reduction in weight and size compared to
conventional V6 200HP outboards, offering a power-to-weight ratio that
enhances boat performance and fuel efficiency. It is packed with
advanced technology drawn from Suzuki's automotive expertise, including
a self-adjusting timing chain, Variable Valve Timing (VVT), and a
multi-stage induction system.
The result is a motor that delivers strong, linear acceleration, quiet
operation, and excellent fuel economy across the entire power band, from
trolling to top speed. Its clean, efficient design also meets stringent
ultra-low emission standards.
Engine Model: Suzuki DF200ATL
Engine Type: 4-Stroke, DOHC (Double Overhead Camshaft), 16-Valve
Number of Cylinders: In-Line 4
Valve Train Drive: Chain (Self-Adjusting, Maintenance-Free)
Bore and Stroke: 97.0 x 97.0 mm (3.81 x 3.81 in)
Piston Displacement: 2867 cc (175 cu. in)
Maximum Output: 147 kW (200 Hp)
Full Throttle Operating Range: 5500-6100 rpm
Idle Speed: 600-700 rpm
Fuel Delivery System: Multi-Point Sequential Electronic Fuel Injection
Alternator: 12V 44A
Trim Method: Power Trim and Tilt
Gear Ratio: 2.50:1
Gear Shift: F-N-R (Forward-Neutral-Reverse)
Control System: Mechanical (Digital controls available on AP models)
Propeller Selection: 15" to 27.5" pitch
Starting System: Electric
Ignition System: Full-Transistorized
Engine Lubrication: Trochoid pump pressure lubrication
Engine Oil Capacity: 8.0 L (8.5/7.0 US/Imp. qt.)
Fuel Type: Alcohol-free unleaded gasoline
Minimum Fuel Octane Rating: 87 (Research method)
Recommended Oil: API class SG, SH, SJ, SL, SM; Viscosity SAE 10W-40
The foundation of the DF200ATL's power is its large-displacement,
in-line four-cylinder block. The square engine dimensions, with bore and
stroke both measuring 97.0 mm, contribute to an excellent balance of
low-end torque and high-rpm power.
The powerhead features a DOHC design with four valves per cylinder,
ensuring efficient breathing. Suzuki's Variable Valve Timing (VVT)
system, hydraulically controlled by oil pressure, automatically adjusts
valve timing to optimize performance and torque throughout the entire
engine speed range.
A maintenance-free, self-adjusting timing chain drives the camshafts,
eliminating the need for periodic replacements. To ensure smooth
operation inherent to a large four-cylinder motor, Suzuki engineers
incorporated a balancing shaft that rotates in the opposite direction to
effectively neutralize secondary vibrations.
The fuel system is centered around a Multi-Point Sequential Electronic
Fuel Injection setup. This system precisely delivers an optimized
air-fuel mixture to each cylinder individually, based on real-time data
from multiple engine sensors. This precision results in crisp throttle
response, smooth idling, and reduced exhaust emissions.
The DF200ATL benefits from a semi-direct air intake system, where the
modern cowl design channels cooler, denser air directly into the
"long-track" intake. This process enhances combustion efficiency,
leading to measurable improvements in both acceleration and top-end
speed. The system also includes a water-detecting fuel filter that
triggers an alarm if water is present in the fuel, protecting the engine
from potential damage.
Lubrication is managed by a reliable trochoid pump that delivers
pressurized oil to all critical moving parts within the engine. The
large oil pan capacity of 8.0 liters helps ensure a stable oil supply
and temperature control even during extended operation at high speeds.
Regular oil changes are part of the standard maintenance schedule.
The DF200ATL employs a tried-and-true water-cooling system. A water
pump, located in the lower unit, draws water from the lake or ocean and
circulates it through water jackets within the cylinder block and
powerhead to dissipate heat.
A key feature for maintenance is the Fresh Water Flushing System, which
includes dedicated flushing ports that allow owners to easily connect a
garden hose to rinse out salt, sand, and debris from the cooling
passages after use, greatly extending the engine's life.
| Mid Section and Lower Unit |
The mid-section and lower unit feature an offset driveshaft design. By
positioning the crankshaft in front of the vertical driveshaft, Suzuki
moved the engine's center of gravity forward. This forward weight
transfer makes the outboard more compact, improves weight distribution
on the boat's transom, and reduces vibration.
The lower unit houses a robust gearcase with a large 2.50:1 gear
reduction ratio, one of the highest in its class. This high ratio allows
the engine to swing larger-diameter propellers, translating its power
into powerful, efficient thrust for quick planing and strong
acceleration. Exhaust is channeled through the propeller hub for quieter
operation and reduced back-pressure.
The Power Trim and Tilt (PTT) system provides hydraulic control over the
outboard's angle. It allows the operator to adjust the trim for optimal
boat attitude and performance while underway.
A Tilt Limit System is integrated, featuring a user-adjustable switch
that prevents the outboard from tilting beyond a set point, protecting
both the motor and the boat from contact damage. The system also has a
maximum tilt angle of approximately 74 degrees for beaching, mooring, or
trailering.
The DF200ATL is designed to work with a wide range of stainless steel
propellers to match different boat loads and performance needs. The
recommended propeller pitch selection ranges from 15 inches to 27.5
inches.
The correct propeller choice is crucial for allowing the engine to
operate within its full-throttle range of 5500-6100 rpm. For a typical
fiberglass bass boat setup, a propeller in the 24 to 25-inch pitch range
is often used to achieve top speeds while maintaining good hole-shot.
Transom Height (Long Shaft): 508 mm (20 in)
Dry Weight (Long Shaft): 226-236 kg (518-520 lbs)
The 2024 model year lists the weight at 518 lb (235 kg).
Mounting: Shear mount engine mounting system
Engine Oil Capacity: 8.0 L (8.5 US qt).
Gearcase Oil Capacity: 1100 ml (37 US oz) of SAE 90 hypoid gear oil API
GL-5.
Spark Plug: NGK LKR6E.
Spark Plug Gap: Standard: 0.8-0.9 mm (0.031-0.035 in).
Valve Clearance (Intake): 0.23-0.27 mm (0.009-0.011 in).
Valve Clearance (Exhaust): 0.30-0.34 mm (0.012-0.013 in).
Cylinder Head Bolts: Tighten in stages to a final torque of 39-41 Nm
(29-30 lb-ft).
Connecting Rod Nuts: 23-25 Nm (17-18 lb-ft).
Crankshaft Bearing Cap Bolt: 58-62 Nm (43-46 lb-ft).
Flywheel Nut: 140-150 Nm (103-111 lb-ft).
Spark Plugs: 20-25 Nm (15-18 lb-ft).
Oil Drain Plug (Engine): 23-27 Nm (17-20 lb-ft).
Gearcase Oil Drain/Fill Screws: 7-10 Nm (5-7 lb-ft).
Propeller Nut: 35-55 Nm (26-41 lb-ft).
Power Trim and Tilt Motor Assembly Bolts: 23-27 Nm (17-20 lb-ft).
The Suzuki DF200ATL is an ideal power solution for a wide range of
planing hull boats due to its favorable weight and power
characteristics. Its light weight, approximately 30 kg less than a
comparable V6, makes it particularly well-suited for lighter,
performance-oriented hulls where every kilogram counts. Bass Boats: Its
power and quick acceleration are a perfect match for the
high-performance nature of bass boats, with owners frequently reporting
top speeds in excess of 90 km/h (56 mph) on rigs weighing up to 1750 kg.
Center Console Boats: Ideal for bay and offshore center consoles in the
18 to 22-foot range, providing ample power for family cruising and
fishing. Dual Console and Bowrider Boats: A strong and quiet option for
powering sport boats used for water sports and day cruising. Saltwater
Fishing Skiffs: The lightweight design and Suzuki's comprehensive
anti-corrosion treatment make it durable and reliable for shallow water
and inshore saltwater fishing. The available counter-rotation model
(DF200AZX) is also perfectly suited for twin-engine setups on larger
boats.
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