MERCURY 60304A55 Shaft Outboard

( Manufacturer Part Number: 60304A55 ), ( Part Type: Shaft )

Review MERCURY Shaft Assembly Genuine Oem Outboard Part New

The **Mercury 40 HP 60304A55 Shaft Outboard Motor** is a high-performance, versatile marine engine designed to deliver exceptional power, reliability, and efficiency for a wide range of small to mid-sized boats, from trolling and fishing vessels to personal watercraft and utility boats. Engineered with Mercury s signature precision and innovation, this outboard combines cutting-edge technology with robust construction to provide smooth operation, fuel economy, and low maintenance demands. The 40 horsepower model in the 60304A55 series features a lightweight yet durable aluminum housing, ensuring optimal power-to-weight ratio without compromising durability. Its compact yet powerful design makes it ideal for boats ranging from 14 to 18 feet in length, offering enough thrust for cruising, towing, and light fishing without overwhelming smaller hulls.

At the heart of the 60304A55 is Mercury s **E-TEC (Electronically Controlled Fuel Injection)** system, which enhances performance by delivering precise fuel metering and optimized combustion. This advanced fuel injection technology not only improves throttle response and power delivery but also reduces emissions and fuel consumption, making it an eco-friendly choice for boaters who value efficiency. The engine is equipped with a **digital ignition system**, ensuring consistent spark delivery for reliable starts and smooth operation under varying load conditions. Additionally, the **automatic choke** simplifies cold-start procedures, while the **low-oil shutdown** feature provides an added layer of protection by automatically cutting power if oil levels drop too low, preventing costly engine damage.

The 60304A55 is built with Mercury s **EFI (Electronic Fuel Injection) and E-TEC** platforms, which have been refined over decades to offer durability and adaptability. Its **aluminum crankcase** resists corrosion and withstands the harsh marine environment, while the **sealed lower unit** ensures waterproof operation, reducing the risk of internal damage from splashes or shallow water. The motor s **tilt-and-stow** design allows for easy storage when not in use, and its **quick-release shaft** simplifies maintenance and transport. For added convenience, the engine includes a **remote control option**, enabling the operator to manage throttle and trim settings from the cockpit, enhancing maneuverability and comfort.

Safety and ease of use are prioritized in the 60304A55 s design, featuring a **low-profile handle** for secure handling and a **quick-disconnect fuel line**, making refueling and maintenance faster. The engine s **self-priming pump** eliminates the need for manual priming, while the **fuel shutoff valve** allows for quick fuel isolation in emergencies. Mercury s reputation for reliability is further reinforced by the **extended warranty coverage**, providing peace of mind for owners. Whether used for recreational boating, fishing, or light utility work, this outboard delivers a perfect balance of power, efficiency, and ease of use, making it a standout choice for boaters seeking a dependable and high-performance marine engine.

### **Pros and Cons of buying a Mercury 60 HP 60304A55 Shaft Outboard**

1. **Reliable Performance** The Mercury 60 HP engine is known for delivering consistent power and smooth operation, making it suitable for medium-sized boats like bass boats, center consoles, and fishing vessels.

2. **Fuel Efficiency** Compared to larger outboards, the 60 HP model offers good fuel economy, reducing operating costs over time.

3. **Durability** Mercury engines are built with robust materials and are designed to withstand heavy use, especially in marine environments.

4. **Ease of Maintenance** The engine features accessible components, making routine maintenance and repairs more straightforward compared to some competitors.

5. **Good for Fishing Boats** The 60 HP range is well-suited for bass boats and fishing vessels where moderate speed and reliability are prioritized over extreme performance.

6. **Lower Initial Cost** Compared to higher horsepower outboards, the 60 HP model is more affordable upfront, making it a practical choice for budget-conscious buyers.

7. **Compatibility with Smaller Boats** The engine s power-to-weight ratio works well for boats in the 16 20-foot range, where excessive power isn t necessary.

8. **Mercury s Brand Reputation** Mercury is a trusted name in marine engines, with a strong dealer network and parts availability.

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1. **Limited Speed Capability** At 60 HP, this engine is not ideal for high-speed applications like wakeboard or waterski boats, which typically require 150 HP or more.

2. **Less Power for Large Loads** If you plan to carry heavy loads (e.g., multiple passengers, large fish, or heavy fishing gear), the 60 HP may struggle to maintain optimal performance.

3. **Outdated Technology Compared to Larger Engines** While still reliable, newer high-performance outboards (e.g., 200 HP) offer advanced features like digital dashboards, better fuel injection, and improved torque.

4. **Resale Value Depreciation** Like most outboards, the 60 HP model will lose value over time, though Mercury engines generally hold their resale value better than some competitors.

5. **Noise and Vibration** Some users report that smaller outboards can be noisier and vibrate more than larger, smoother-running engines.

6. **Limited Towing Capacity** If you plan to tow a wakeboarder or small skier, the 60 HP may not provide enough power for a satisfying experience.

7. **Fuel Injection Reliability Concerns** Older models (if applicable) may have occasional fuel injection issues, though Mercury has improved reliability in recent years.

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The **Mercury 60 HP 60304A55 shaft outboard** is a solid choice for **fishing boats, small center consoles, or recreational vessels** where moderate speed and reliability are the main priorities. It offers a good balance of affordability, fuel efficiency, and durability, making it ideal for anglers and casual boaters who don t need extreme performance.

However, if you require **higher speeds, better towing capability, or advanced features**, a larger outboard (e.g., 115 HP or above) would be a better investment. The 60 HP model is **not suitable for wakeboarding, waterskiing, or heavily loaded boats**, where more power is essential.

- You need a **reliable, mid-range engine** for fishing or light recreational use.

- Your boat is **16 20 feet** and doesn t require excessive speed.

- You prioritize **cost-effectiveness and simplicity** over high performance.

- You plan to **tow a wakeboarder or skier**.

- Your boat carries **heavy loads** (passengers, gear, or large fish).

- You want **better fuel efficiency at higher speeds** or **advanced features** like digital dashboards.

For most **fishing-focused applications**, the Mercury 60 HP remains a **practical and dependable choice**, provided expectations are aligned with its power limitations.

Details:

Part Details: Number: 60304A55. This is an OEM Mercury Marine part that new out of original packaging and has never been used or installed. Notes: Please verify this part number fits your specific Mercury outboard application before purchasing. Brand: Mercury Marine.

Type: Shaft Assembly. OEM Genuine Mercury Part. Genuine Mercury 60304A55 shaft assembly. Condition: New out of box no original packaging.

Never used or installed. May show minor shelf wear from storage.

part #: 60304a55 prices

• $37.15-$5000.00

specifications ouboaen:

• for makes: Mercury
• mpn: 60304a55
• part type: Shaft

payments ouboaen:

• other
• credit card: Visa
• wallet: Paypal

offer ouboaen:

• quantity: 1
• availability: In Stock
• started: March 24, 2026
• sold: 0
• best offers: True
• options: Ship-to-home

general ouboaen:

• condition: New other see details
• Boat Parts > Outboard Engines Components > Other

returns ouboaen:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller ouboaen:

• rating: 100.0%
• city: Metamora, Michigan
• # reviews: 9

shipping ouboaen:

• transit: 4-11 Days
• cost: $7.52
• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage

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