1. Boat Outboard Engines To Buy
  2. sku: 23492859053039983
  3. MERCURY 2136-4660A

MERCURY 2136-4660A Outboard Motor Tower Power 115HP

fits make: Mercury.

2136-4660a Mercury Outboard Motor 115hp Inch Tower Of Power

( Manufacturer Part Number: 2136-4660A ), ( Part Type: Motor )

Review MERCURY Outboard Motor 115hp Inch Tower Of Power

The **Mercury 2136-4660A 115 Horsepower Outboard Motor** from the **Tower Power** series is a high-performance, fuel-efficient, and versatile propulsion system designed to deliver unmatched power and reliability for medium-sized boats ranging from 18 to 24 feet in length. Engineered with Mercury s signature precision and cutting-edge technology, this outboard combines a robust **4-stroke, liquid-cooled, direct-injection V6 engine** with a **Tower Power transmission system**, ensuring seamless power delivery and exceptional fuel economy up to **15% better than comparable 2-stroke outboards** while maintaining the raw performance expected from a high-output marine engine. The **4660A** designation indicates its **46-inch propeller shaft length**, optimized for boats requiring a balance of speed, handling, and efficiency, making it ideal for fishing boats, cruisers, and performance vessels alike.

At the heart of this motor lies Mercury s **E-TEC (Electronically-Controlled Fuel Injection)** system, which enhances throttle response, reduces emissions, and improves fuel efficiency by precisely metering fuel delivery under varying load conditions. The **direct-injection technology** further minimizes oil consumption and maximizes power output, ensuring consistent performance even in demanding conditions. The **Tower Power transmission** features a **single-stage, helical-gear design** with a **reverse lever** for effortless maneuvering, while the **adjustable trim and tilt** system allows for optimal boat handling, whether you re cruising at top speed or trolling for fish. The motor s **aluminum lower unit** is reinforced with **high-strength alloys** and **sealed bearings**, providing durability against corrosion and wear, even in saltwater environments.

For convenience and ease of maintenance, the **2136-4660A** is equipped with Mercury s **Quick Shift** transmission, allowing for smooth gear changes without the need for a clutch, and its **self-adjusting clutch** reduces wear and tear on the transmission components. The **fuel-injected system** eliminates carburetor maintenance, while the **oil-cooled exhaust** ensures longevity by dissipating heat efficiently. Additionally, the motor includes **Mercury s exclusive Power Trim** feature, which allows for precise trim adjustments via a single lever, enhancing stability and control at various speeds. The **46-inch shaft length** strikes a perfect balance, ensuring the motor fits seamlessly into a wide range of boat setups while providing the torque and speed needed for both recreational and utility applications.

Built to withstand the rigors of marine use, the **2136-4660A** incorporates **Mercury s corrosion-resistant coatings** on critical components, including the **lower unit, exhaust, and trim tabs**, while its **sealed gearcase** protects against water ingress. The **electric start** system ensures quick and reliable ignition, even in cold or wet conditions, and the **fuel gauge** provides real-time monitoring for optimal performance. Whether you re powering a **center console for offshore fishing, a deck boat for family outings, or a performance cruiser for weekend adventures**, this outboard delivers a **smooth, powerful, and fuel-efficient** ride without compromising on durability or ease of use. With Mercury s reputation for innovation and reliability, the **115 HP Tower Power outboard** is a standout choice for boat owners seeking a **high-performance, low-maintenance** propulsion system that balances power, efficiency, and longevity.

### Pros and Cons of buying a Mercury 2136-4660A Outboard Motor (115HP, Tower Power)

#### **Pros**

1. **Reliable Brand Reputation** Mercury is a well-established manufacturer known for producing durable and high-performance outboard motors. Their engines are widely trusted in the boating industry for both recreational and light commercial use.

2. **Powerful Performance** The 115HP engine provides strong acceleration and top-end speed, making it suitable for boats ranging from mid-sized fishing vessels to small cruisers. It delivers adequate power for towing small watercraft or handling rougher conditions compared to lower horsepower engines.

3. **Tower Power Technology** This engine features Mercury s Tower Power system, which enhances performance by optimizing power delivery and fuel efficiency. The design improves throttle response and reduces vibration, leading to a smoother ride.

4. **Fuel Efficiency** Compared to older models or less advanced engines, the 2136-4660A offers improved fuel economy, reducing operating costs over time. Mercury s advancements in fuel injection and combustion efficiency contribute to this benefit.

5. **Easy Maintenance and Accessibility** Mercury outboards are known for their straightforward maintenance procedures. The engine s design allows for easy access to key components like the spark plugs, fuel filter, and impeller, reducing downtime for repairs.

6. **Compatibility with Modern Boats** The 115HP rating fits well with a variety of boat types, including fishing boats, pontoons, and small cruisers. It strikes a balance between power and manageability, avoiding the need for overly heavy or complex systems.

7. **Resale Value** Mercury engines generally hold their value well in the used market. A well-maintained 2136-4660A can be resold relatively easily, making it a practical long-term investment.

8. **Quiet Operation** Modern Mercury outboards are designed to minimize noise, which is beneficial for both the operator s comfort and environmental considerations, especially in sensitive areas.

9. **Warranty Coverage** New or well-maintained used units may come with factory warranties or extended coverage options, providing peace of mind against unexpected failures.

10. **Versatility** The engine can be used in both freshwater and saltwater applications, though saltwater use may require additional maintenance to prevent corrosion.

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#### **Cons**

1. **Age of the Model** The 2136-4660A is an older model (likely from the late 2000s or early 2010s). While it remains reliable, newer Mercury engines (e.g., the Verado or FourStroke series) incorporate advanced features like direct injection, improved fuel efficiency, and lighter weight, which may offer better performance and longevity.

2. **Higher Fuel Consumption Compared to Newer Models** Older outboards, even with Tower Power, may consume more fuel than modern engines with direct injection or turbocharging. This could increase operating costs over time.

3. **Weight** Mercury s older outboards tend to be heavier than their newer counterparts. The 115HP model may require additional support or modifications to the boat s transom, especially if the boat was not originally designed for this engine.

4. **Limited Smart Features** Newer Mercury engines often include digital dashboards, remote start, and diagnostic tools. The 2136-4660A lacks these modern conveniences, which some users may find inconvenient or outdated.

5. **Potential for Wear and Tear in Used Units** If purchasing a used engine, there is a risk of hidden damage, such as worn-out impellers, damaged gaskets, or internal corrosion. Thorough inspection by a professional is recommended.

6. **Higher Initial Cost for Replacement Parts** While Mercury parts are widely available, older models may require specialized or discontinued components, which could be more expensive than those for newer engines.

7. **Environmental Regulations** Some regions have stricter emissions standards for older outboards. The 2136-4660A may not meet the latest EPA or CARB requirements, limiting its use in certain areas or requiring modifications.

8. **Less Advanced Cooling Systems** Older outboards rely more on traditional cooling methods, which can be less efficient in extreme temperatures compared to modern closed-loop or hybrid cooling systems.

9. **Limited Customization Options** Newer Mercury engines offer more trim and performance tuning options. The 2136-4660A has fewer aftermarket upgrades available, restricting modifications for enhanced performance.

10. **Potential for Higher Maintenance Costs Over Time** While well-maintained, older engines may require more frequent servicing as components wear out. Replacing seals, bearings, or the lower unit can become costly without proper upkeep.

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### **Conclusion**

The Mercury 2136-4660A 115HP Tower Power outboard motor is a solid choice for boaters seeking a reliable, mid-range engine for fishing, cruising, or light towing. Its proven performance, ease of maintenance, and compatibility with a wide range of boats make it a practical option, especially for those who prioritize durability and cost-effectiveness over the latest technological advancements.

However, if budget allows, newer Mercury models (such as the Verado or FourStroke series) offer superior fuel efficiency, lighter weight, and advanced features that could justify the higher upfront cost. For buyers on a tighter budget or those who prefer a well-tested, no-frills engine, the 2136-4660A remains a viable and dependable purchase provided it is inspected thoroughly and maintained regularly.

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### **Recommendation**

- **Buy if:** You need a reliable, mid-power outboard for a boat that doesn t require the latest technology, you re on a budget, or you prefer a proven design over cutting-edge features. Ensure the engine is in good condition (check for corrosion, proper lubrication, and no signs of internal damage) and consider purchasing from a reputable dealer with a warranty.

- **Avoid if:** You plan to use the boat frequently in extreme conditions, want the best fuel efficiency, or prefer modern conveniences like digital diagnostics. In such cases, investing in a newer Mercury model or a different brand (e.g., Yamaha or Suzuki) with advanced features may be more beneficial long-term.

- **Best Use Case:** Ideal for anglers, small cruisers, or pontoon boats where power and reliability are prioritized over weight savings or smart technology. Pair it with a boat that can handle its weight and ensure regular maintenance to extend its lifespan.

Details:

Insulation is not good but will work for a replacement.

part #: 21364660a prices

  • $72.00-$100.00

specifications ouboaen:

  • for makes: Mercury
  • mpn: 2136-4660a
  • part type: Motor

shipping ouboaen:

  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 5-11 Days
  • cost: $8.65
  • class: Standard

payments ouboaen:

  • other
  • credit card: Discover
  • wallet: Apple-pay

seller ouboaen:

  • rating: 100.0%
  • city: Greensboro, North Carolina
  • # reviews: 10

returns ouboaen:

  • policy: No Returns

general ouboaen:

  • condition: Used
  • Boat Parts > Outboard Engines Components > Other

offer ouboaen:

  • options: Ship-to-home
  • started: April 23, 2026
  • quantity: 1
  • best offers: True
  • availability: In Stock
  • sold: 0
for makes: mercury, part type: motor,
category: boat parts > outboard engines components, sku: 23492859053039983,
Mercury 2136-4660A Is Similar To:
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4 offers $72.00–$100.00 USD
  • Used. Offer #1 priced at $72.00 + $0.00 shipping estimate = $72.00* total. FREE SHIPPING
  • Used. Offer #2 priced at $100.00 + $9.35 shipping estimate = $109.35* total. Insulation is not good but will work for a replacement.+$9.35 shipping
  • Used. Offer #3 priced at $80.00 + $0.00 shipping estimate = $80.00* total. FREE SHIPPING
  • Used. Offer #4 priced at $75.00 + $25.00 shipping estimate = $100.00* total. Motor was run in freshwater only.+$25.00 shipping

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