Mercury 200 L4 Verado Specifications
| Engine Model: Mercury Verado 200 L4 |
| Engine Type: 4-stroke inline 4-cylinder supercharged gasoline outboard engine |
| Total Displacement: 105.8 cu.in (1.7 L) |
| Rated Engine Power: 200 Hp (149 kW) at 6400 rpm |
| Fuel System: Sequential Multi-Point Electronic Fuel Injection (EFI) |
____________________________________________________________________________________
The Mercury Verado 200 L4 represents a distinct
engineering achievement within the outboard market, delivering two
hundred Hp from a compact, supercharged four-cylinder platform. This
engine was developed to provide a lightweight alternative to its
six-cylinder siblings while retaining the renowned Verado
characteristics of smoothness, low-end torque, and supercharged
responsiveness.
By utilizing a one-point-seven-liter powerhead, Mercury created the
lightest four-stroke two-hundred-Hp outboard available, approximately
seventy lbs lighter than comparable V6 engines from competing
manufacturers.
This significant weight reduction makes the L4 Verado exceptionally
well-suited for lighter craft such as aluminum freshwater fishing boats,
where every pound saved on the transom translates directly to improved
performance and efficiency. The engine shares the same advanced Digital
Throttle and Shift technology found throughout the Verado lineup,
ensuring precise control and seamless integration with Mercury's
SmartCraft digital ecosystem.
Power Hp / kW: 200 HP (149 kW).
Engine Type: Inline 4-cylinder, supercharged, four-stroke.
Displacement: 1.7 Liters (105.8 cubic inches / 1732 cc).
Bore and Stroke: 3.23 x 3.23 inches (82 x 82 mm).
Full Throttle RPM Range: 5800-6400.
Air Induction System: Supercharged with charge air cooling and
electronic boost pressure control.
Fuel Induction System: Sequential multi-port electronic fuel injection
(EFI).
Alternator Output: 70 amp / 882 watt, belt-driven with water-cooled
voltage regulator.
Recommended Fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON,
with 10% Ethanol Maximum.
Recommended Oil: Mercury FourStroke 25W40 Marine Oil.
Engine Protection System: SmartCraft Engine Guardian, which monitors
critical sensors and reduces power to prevent damage if abnormal
operating conditions are detected.
Starting System: SmartStart Electric, ensuring consistent starting by
automatically advancing the starter motor engagement.
Steering Options: Big Tiller Compatible, Electro-hydraulic power
steering optional, Hydraulic power steering available.
Shaft Length Options: 20 inches (508 mm) and 25 inches (635 mm).
Gearcase Ratio: 2.08:1.
Dry Weight: 510 lbs (231 kg) for the lightest model with a 20-inch
shaft.
Emissions Star Rating: CARB Two-Star Rating for Ultra-Low Emissions.
Ignition System: SmartCraft PCM Digital Inductive.
Fuel System: Electronic Fuel Injection (EFI).
Cooling System: Water-cooled with thermostat, featuring tuned cooling
with double water inlets and pressure-controlled thermostat for optimal
temperature management.
Gear Shift: SmartCraft DTS (Digital Throttle and Shift) providing
precise electronic control of forward, neutral, and reverse.
Gearcase Options: 4.8-inch diameter gearcase.
Trim System: Power trim and tilt with SmartCraft programmable tilt,
allowing the operator to set preferred trim positions for different
operating conditions.
Exhaust System: Through-prop exhaust discharge with multi-chamber sound
reduction for quiet operation. Shallow Water Trim Range: 20 deg.
The foundation of the Verado 200 L4 is its inline four-cylinder
powerhead, machined to precise tolerances for durability and smooth
operation. The closed-deck cylinder block design provides exceptional
rigidity, while the square bore and stroke dimensions of eighty-two mm
contribute to the engine's inherent balance and torque characteristics.
Mercury's long-bolt engineering approach anchors the cylinder block and
cylinder head to the bedplate, effectively eliminating the effects of
thermal expansion and contraction to maintain consistent sealing and
structural integrity over the engine's life.
The cylinder head incorporates a sophisticated valvetrain designed
specifically for this supercharged application. To achieve the
two-hundred-Hp output from the one-point-seven-liter displacement,
engineers specified a camshaft profile with increased duration on the
intake valves. This tuning allows combustion pressure to push longer on
the power stroke rather than harder, maximizing top-end power while the
supercharger maintains robust low-end response. The Verado valve train
is entirely maintenance-free for the life of the engine.
The fuel delivery system on the Mercury 200 L4 Verado represents
state-of-the-art electronic control. Sequential multi-port electronic
fuel injection ensures that fuel is delivered precisely before each
intake valve opens, optimizing cylinder-specific fueling for maximum
combustion efficiency and power output. The entire system is managed by
the SmartCraft Powertrain Control Module, which continuously monitors
numerous engine parameters and dynamically adjusts fuel delivery and
ignition timing.
The electronic boost pressure control works in concert with the fuel
injection system to maintain the ideal air-fuel mixture across the
entire operating range, from idle to wide-open throttle. This
integration delivers crisp throttle response and exceptional fuel
economy, with sea trials demonstrating a combined fuel burn of only 35.8
liters per hour at 3500 RPM on a twin-engine installation. The system is
designed to operate on readily available 87-octane fuel, reducing
operating costs compared to premium-fuel requirements.
The lubrication system employs a conventional wet sump design engineered
to meet the specific demands of supercharged marine operation. A
high-capacity, gear-driven oil pump circulates Mercury FourStroke 25W40
Marine Oil throughout the powerhead, delivering lubrication to all
critical components including the crankshaft bearings, connecting rods,
supercharger gears, and valve train.
An integrated oil cooler maintains optimal oil temperature, extending
engine life by ensuring consistent lubricating properties under all
operating conditions. The system includes an oil catch can and water
separation features to maintain oil purity and prevent contamination.
Regular oil and filter changes at recommended intervals are essential
for long-term durability and performance retention.
The cooling system on the Mercury 200 L4 Verado is a sophisticated
water-cooled design engineered for consistent operating temperatures
under varying loads and conditions. A positive-displacement water pump
located in the lower unit draws water from outside the boat and
circulates it through the engine's cooling passages. The system features
double water inlets and a pressure-controlled thermostat that precisely
regulates coolant flow to maintain optimal engine temperature.
This tuned cooling approach ensures rapid warm-up and stable operating
temperatures for efficient combustion and long engine life. The charge
air cooler, integral to the induction system, also utilizes seawater to
reduce the temperature of compressed air from the supercharger,
increasing air density for more powerful and efficient combustion.
| Mid Section and Lower Unit |
The mid-section houses the vertical driveshaft that transmits power from
the engine to the gearcase while providing robust mounting for the
powerhead and trim system components. It incorporates advanced
vibration-isolating mounts that significantly reduce noise and vibration
transfer to the boat structure. The lower unit features a 4.8-inch
diameter gearcase with a 2.08:1 gear ratio, optimizing propeller speed
for the engine's power characteristics.
The gearcase contains the forward, neutral, and reverse gears and is
available with counter-rotation capability for multi-engine
installations. Exhaust gases are channeled through the propeller hub,
contributing to quiet operation and reduced underwater noise. The lower
unit design incorporates corrosion-resistant materials and sacrificial
anodes for protection in saltwater environments.
The power trim and tilt system is fully integrated into the mid-section,
providing hydraulic control over the engine's operating angle. The
system allows the operator to trim the drive down during acceleration
for maximum hole shot and optimal planing performance, then trim up once
on plane to improve speed and fuel efficiency. SmartCraft programmable
tilt enables operators to set and recall preferred trim positions for
different operating conditions, enhancing convenience and performance
consistency.
The tilt range of twenty deg in shallow water mode provides ample
clearance for beaching or trailer loading. The hydraulic system is
designed for smooth, controlled movement and long-term reliability in
marine environments.
The Verado 200 L4 is designed to turn a range of high-performance
propellers to match different boat types and applications. Mercury
engineers recommend stainless steel propellers to fully utilize the
engine's torque and power characteristics. For typical applications on
eighteen to twenty-foot fiberglass boats, a nineteen-pitch Tempest Plus
propeller commonly delivers optimal performance.
On the Lund 1900 Tyee hull, for example, the combination of a Verado 200
L4 with a fourteen and one-quarter inch diameter, nineteen-pitch Tempest
Plus propeller achieves approximately forty-eight to fifty-two miles per
hour at full throttle. The 2.08:1 gear ratio is specifically selected to
allow efficient operation with a wide variety of propeller sizes,
enabling proper matching to boat weight, hull design, and intended use.
Dry Weight: The lightest configuration of the Mercury Verado 200 L4,
equipped with a twenty-inch shaft, has a dry weight of 510 lbs (231 kg).
This represents a significant weight advantage of approximately seventy
lbs over competitive V6 two-hundred-Hp four-stroke outboards and one
hundred eight lbs lighter than the L6 Verado 200.
Shaft Length Options: Available in 20-inch (508 mm) and 25-inch (635 mm)
shaft lengths to accommodate different transom heights and boat types.
Engine Oil and Filter: Recommended change annually or after every 100
hours of operation, using Mercury FourStroke 25W40 Marine Oil. Fuel
System: The water-separating fuel filter should be replaced periodically
to ensure clean fuel delivery to the sensitive fuel injection system.
Gearcase Lubricant: Lower unit oil should be checked before each season
and replaced according to the maintenance schedule, particularly before
winter storage.
Cooling System: The water pump impeller requires inspection and
replacement at recommended intervals, as it is a wear item critical to
preventing overheating. Anodes: Sacrificial anodes on the engine and
lower unit must be inspected regularly and replaced when significantly
eroded to maintain galvanic corrosion protection in saltwater.
Valve Train: The Verado valve train requires no maintenance for the life
of the engine. SmartCraft System: Digital diagnostics through the
SmartCraft interface allow technicians to access engine data, fault
codes, and operating history for precise maintenance planning.
The Mercury Verado 200 L4 is exceptionally versatile and finds
application across a wide spectrum of boat types. Its light weight and
compact dimensions make it particularly attractive for aluminum
freshwater fishing boats, where transom weight directly affects
performance and fuel efficiency.
The engine performs admirably on fiberglass bass boats, multi-species
fishing platforms, and bay boats where quick acceleration and mid-range
punch are valued. The engine is equally suitable for pontoons,
inflatables, cruising boats, and performance craft requiring reliable
and efficient propulsion.
____________________________________________________________________________________
| Outboard Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Industrial Engines Technical Specifications |
