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2017 Mercury 20 HP 20MLH Outboard Motor

Outboard Motors

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Mercury

2017 Mercury 20 HP 20MLH Outboard Motor

SKU 4143758530e2

Mercury Outboard Motors

$1,146.62

Freight and taxes calculated at checkout

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Warranty

1–5 years (manufacturer-backed, varies by brand and model) on new outboards · 1–2 years (varies by brand and model) on pre-owned

Commercial use may carry a shorter period than pleasure use.

Warranty terms
Freight

Freight — oversize — from $349. Ships in 1–3 business days, 3–10 business days in transit.

Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.

Shipping rates
Returns

30-day return window · 25% restocking fee plus freight both ways.

Engines or transmissions that have been disassembled or parted out cannot be returned.

Full policy
Payment

Secure card payment via Stripe. A deposit holds an item for 15 days.

Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.

Payment terms

Catalogue data

Specification

4 fields

Part number
4143758530e2
Brand
Mercury
Department
Outboard Motors
Category
Mercury Outboard Motors

In the seller's words

Description

2017 Mercury 20 HP 20MLH Outboard Motor – Smooth, Powerful & Built for Durability!

  • The 2017 Mercury 20 HP 20MLH Outboard Motor is a powerful, fuel-efficient, and durable 4-stroke engine built for smooth acceleration, fast throttle response, and excellent low-end torque. With a large 351cc displacement powerhead, this manual start, tiller-controlled outboard delivers superior reliability and long-lasting performance for small fishing boats, skiffs, and jon boats.

    Equipped with Mercury’s multi-function tiller handle, a heavy-duty transom mounting bracket, and vibration-absorbing mounts, this 20-inch long shaft model is designed for both freshwater and saltwater use. The thru-cowl backup manual start, digital CDI ignition, and easy maintenance features ensure that this 20 HP outboard is dependable and easy to operate.

    If you need a robust and fuel-efficient outboard motor, the Mercury 20MLH is an excellent choice for smooth, reliable boating.

    Key Features & Benefits

    ✅ 20 HP 4-Stroke Engine with Large Displacement (351cc) – More torque & better acceleration
    ✅ Manual Start with CDI Ignition – Reliable cold starts & smooth throttle response
    ✅ Tiller Handle with Integrated F-N-R Gear Shift – User-friendly controls for easy maneuverability
    ✅ Heavy-Duty Transom Mount & Wishbone Vibration Absorbers – Enhanced stability & reduced vibration
    ✅ Thermostat-Controlled Cooling System – Maintains optimal engine temperature
    ✅ Shallow Water Drive & Manual Tilt – Navigate tight or shallow waters with ease
    ✅ Quiet Through-Prop Exhaust System – Minimizes noise for a smoother, quieter ride
    ✅ Low Oil Pressure & Over-Rev Protection – Ensures long engine life & safe operation
    ✅ 6.6-Gallon Fuel Tank & Quick Connect Fuel Line Included – Extended run time & easy refueling
    ✅ 3-Year Mercury Marine Warranty – Trusted reliability & long-lasting performance

    Technical Specifications

    ⚙️ Engine & Performance

    Feature Details
    Engine Type 4-Stroke, Large Displacement Powerhead
    Horsepower 20 HP
    Shaft Length 20” (Long Shaft)
    Starting System Manual Start
    Fuel System Carbureted
    Full Throttle RPM Range 5400-6100 RPM
    Displacement 351cc (21.4 cubic inches)
    Bore & Stroke 2.40 x 2.36 inches
    Cooling System Water-Cooled with Thermostat
    Fuel Type Unleaded Gasoline (87 Octane, up to 10% Ethanol)
    Fuel Tank Capacity 6.6 Gallons (Included)
    Lubrication System Trochoid Pump
    Oil Capacity 1 Quart (1000 mL) – Mercury 4-Stroke Outboard Oil

    ⚙️ Propulsion & Control

    Feature Details
    Steering Type Tiller Handle
    Gear Shift Forward-Neutral-Reverse (Integrated in Tiller Handle)
    Gear Ratio 2.15:1
    Propeller 9.2” Diameter X 9.1” Pitch, 3-Blade Aluminum
    Trim & Tilt Manual Tilt
    Shallow Water Drive Yes
    Steering Tension Control Adjustable for Stability

    ⚙️ Safety & Durability

    Feature Details
    Saltwater Rated Yes – Multi-Layer Corrosion Protection
    Start-in-Gear Protection Yes
    Low Oil Pressure Warning Indicator Yes
    Overheat Warning System Yes
    Over-Rev Protection Yes – ESG System
    Safety Lanyard Stop Switch Yes

    What’s Included in the Box?

    ✔️ 2017 Mercury 20 HP 20MLH Outboard Motor
    ✔️ 6.6-Gallon External Fuel Tank & Quick Connect Fuel Line
    ✔️ 3-Blade Aluminum Propeller
    ✔️ Mercury 4-Stroke Oil
    ✔️ Owner’s Manual
    ✔️ Tool Kit
    ✔️ Mercury Marine 3-Year Warranty

    ⚠ Note: Battery & optional alternator kit not included (alternator sold separately).

    ❓ Frequently Asked Questions (FAQ)

    Is the Mercury 20MLH suitable for saltwater use?
    Yes! It is saltwater-rated with zinc-coated water passages, sacrificial anodes, and corrosion-resistant materials.

    Does this outboard have an electric start option?
    No, this model is manual start only, but it features CDI ignition for reliable cold starts.

    What type of boats is this outboard ideal for?
    Perfect for skiffs, jon boats, small fishing boats, and saltwater applications.

    How fuel-efficient is this outboard?
    The large displacement powerhead provides better torque & fuel economy compared to smaller engines.

    Can I add an alternator for battery charging?
    Yes, the optional 12A alternator kit can be installed for battery charging and additional power needs.

    Call to Action – Order Now!

    Get smooth power, excellent fuel efficiency, and superior durability with the 2017 Mercury 20 HP 20MLH Outboard Motor. Whether you’re fishing, exploring, or cruising, this long shaft 4-stroke engine delivers unbeatable performance.

    Limited stock available – Order today for fast shipping!

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