EVINRUDE 0204700 Nos High Needle ATTIC4AB

( Brand: Evinrude ), ( Manufacturer Part Number: 0204700 )

Review EVINRUDE Nos Oem Johnson Omc Brp High Speed Needle Pn

The **Evinrude 0204700 NOS Johnson OMC High Needle Attic4AB** is a meticulously preserved, never-used-out-of-the-box (NOS) outboard motor that embodies the legendary craftsmanship and performance of the iconic Johnson OMC brand, now a part of the Evinrude family under the Mercury Marine umbrella. This rare and highly sought-after unit is a **1970s-era High Needle Attic4AB** model, designed for high-performance applications where raw power, reliability, and precision are paramount. The "High Needle" designation refers to its advanced needle-and-seat ignition system, which delivers a more efficient and consistent spark, enhancing combustion and overall engine performance. The **Attic4AB** designation indicates it is a four-stroke, air-cooled outboard with a **4-cylinder, 2-cycle (technically a 4-stroke in operation) design**, producing a substantial amount of horsepower relative to its era typically around **100 125 horsepower**, depending on the specific trim and modifications. This engine is built with a **cast aluminum crankcase** and **forged steel crankshaft**, ensuring durability and longevity, while the **pressure-lubricated main bearings** and **hypoid gear reduction** provide smooth, torque-rich power delivery, ideal for everything from high-speed planing boats to heavy-duty fishing vessels.

The **NOS condition** of this Evinrude means it has never been installed, run, or subjected to wear, making it a pristine example of vintage marine engineering. The engine retains its **original factory packaging**, including the protective foam, wooden crates, and documentation, if still present, which adds to its historical and collector value. The **high-compression cylinder heads**, **precision-machined pistons**, and **chrome-plated cylinder barrels** are all in flawless condition, showcasing the meticulous attention to detail that Johnson OMC was known for during its prime. The **manual choke and pull-start mechanism** are fully functional, and the **fuel pump and carburetion system** likely a **Johnson OMC high-performance carburetor** are ready for immediate use upon installation. This outboard is equipped with a **standard Johnson OMC trim tab system**, allowing for easy adjustment of the boat s ride height and stability, which was a groundbreaking feature in its time.

For enthusiasts, collectors, or restorers, this **Evinrude 0204700 NOS Johnson OMC High Needle Attic4AB** represents a piece of automotive history, blending raw power with timeless design. Its **vintage aesthetics**, combined with the reliability of a well-built American outboard, make it a prized addition to any marine engine collection. Whether used for a classic boat restoration, a high-performance project, or simply as a centerpiece in a mechanical museum, this engine is a testament to the golden age of outboard motors a period when American engineering reigned supreme on the water. Its **rare availability** and **unaltered condition** ensure that it remains one of the most desirable and valuable Johnson OMC outboards for those who appreciate both function and heritage.

**Analysis of the Evinrude 0204700 (Johnson OMC High Needle Attic4AB) Outboard Motor**

### **Pros**

1. **Reliability and Brand Reputation**

Evinrude (now part of **Johnson Outboards**, a division of **Mercury Marine**) has a long history of producing durable, high-performance outboard motors. The **OMC (Original Motor Corporation)** line, including this model, is known for robust construction and longevity, especially in saltwater applications. The **High Needle Attic4AB** designation suggests it is designed for **high-performance use**, likely with a **4-stroke engine** and a **4-cylinder** configuration, which generally offers better fuel efficiency and lower maintenance compared to older 2-stroke models.

2. **High Performance and Power**

The **"High Needle"** designation indicates this motor is tuned for **maximum power and acceleration**, making it suitable for **speedboats, wakeboard boats, or performance fishing boats**. The **Attic4AB** likely refers to an **electronic fuel injection (EFI) system**, which improves throttle response, fuel efficiency, and emissions compliance compared to carbureted engines.

3. **Saltwater Compatibility**

The **OMC series** is widely used in **saltwater environments**, where corrosion resistance is critical. Evinrude/Johnson motors are designed with **marine-grade materials** and **corrosion-resistant coatings**, reducing long-term maintenance costs in harsh conditions.

4. **Aftermarket and Parts Availability**

As a **legacy Evinrude model**, this motor benefits from a **large aftermarket support system**. Parts, rebuild kits, and tuning services are widely available, making repairs and upgrades easier. Many **performance tuning companies** specialize in Evinrude/Johnson motors, offering upgrades like **exhaust systems, fuel injectors, or ECU tuning** to further enhance performance.

5. **Fuel Efficiency (Compared to Older Models)**

Being a **4-stroke EFI engine**, this motor will likely consume **less fuel per horsepower** than older 2-stroke Evinrude models, reducing operating costs over time. While not as fuel-efficient as modern **Mercury or Yamaha 4-strokes**, it still outperforms many older outboards in this regard.

6. **Resale Value and Collectibility**

Some **vintage Evinrude/Johnson motors**, especially those from the **1990s 2000s**, hold **collector value** due to their performance and rarity. If you plan to keep the boat long-term, this could be a factor.

7. **Lower Initial Cost (Compared to New Motors)**

Since this is a **used or older model**, the purchase price will likely be **significantly lower** than a new **Mercury or Yamaha 4-stroke** of similar horsepower. This makes it an attractive option for **budget-conscious buyers** who still want a **high-performance** motor.

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### **Cons**

1. **Age and Potential Wear**

The **0204700** model appears to be from the **late 1990s to early 2000s**, meaning it may have **high mileage** if it has been well-maintained. Older motors are more prone to **internal wear (pistons, rings, bearings)**, which can lead to **reduced performance, oil consumption, or catastrophic failure** if not properly serviced. A **full inspection (including compression test, oil analysis, and internal inspection)** is **essential** before purchase.

2. **Electronic and Fuel Injection Reliability**

While **EFI systems** are generally more reliable than carburetors, older **Evinrude/Johnson EFI motors** can suffer from **sensor failures, ECU issues, or wiring problems**. These systems require **proper tuning and occasional recalibration**, which may not be straightforward for non-mechanics. A **diagnostic scan tool** may be needed to check for **error codes**.

3. **Emissions and Modern Regulations**

This motor was likely built before **modern emissions standards (e.g., EPA Tier 3, EU Stage V)**. While it may still pass **basic emissions tests**, some **marinas or states** have **restrictions on older outboards**, particularly in **protected waters**. Always check **local regulations** before purchasing.

4. **Fuel and Oil Requirements**

Older **4-stroke Evinrude motors** often require **specific fuel types** (e.g., **91 octane, ethanol-blended fuels**), which can be **less efficient** than modern fuels. Some owners report **increased carbon buildup** in older EFI systems when using **low-quality or ethanol-heavy fuels**. **High-quality marine fuel and oil** will be necessary to maintain performance.

5. **Maintenance Intensity**

- **Oil and filter changes** (more frequent than in newer models)

- **Spark plug replacement** (older plugs may wear faster)

- **Cooling system flushing** (especially in saltwater)

- **Throttle and shift cable adjustments**

- **Potential ECU or sensor replacements** if the motor is not well-maintained

Neglecting maintenance can lead to **expensive repairs**.

6. **Noise and Vibration**

Older **high-performance outboards** tend to be **louder and more vibration-prone** than modern **Mercury or Yamaha 4-strokes**, which have **better sound dampening and balancing**. This may affect **comfort and noise levels** on board.

7. **Limited Warranty (If Applicable)**

Since this is likely a **used or older model**, any **remaining warranty** (if it exists) will be **very limited**. Evinrude/Johnson **pre-2000s motors** typically had **lifetime warranties on the engine block**, but **parts and labor** were often **not covered**. Always confirm **warranty status** before buying.

8. **Compatibility with Modern Boats**

If you plan to **swap this motor onto a newer boat**, ensure **mounting patterns, shift linkage, and electrical connections** match. Some **modern boats** have **different trim plate designs** or **electrical systems** that may require **adapters or modifications**.

9. **Environmental Concerns**

Older **4-stroke outboards** still produce **more emissions than modern catalytic converters**, though significantly less than 2-strokes. If you frequently operate in **eco-sensitive areas**, this could be a drawback.

10. **Resale Depreciation**

Unlike **new or well-maintained modern outboards**, this motor will **depreciate quickly** if not properly cared for. If you plan to **sell it later**, the resale value may be **lower than expected** unless it is in **excellent condition**.

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### **Key Considerations Before Purchase**

1. **Full Mechanical Inspection**

- **Compression test** (should be **consistent across all cylinders**)

- **Oil analysis** (check for **metal particles, sludge, or excessive wear**)

- **Internal inspection** (if possible, look for **scoring, cracks, or worn bearings**)

- **Test run** (listen for **knocking, rough idling, or unusual noises**)

- **Electrical check** (test **ECU, sensors, and wiring** for faults)

2. **Service History**

- Ask for **proof of maintenance** (oil changes, spark plug replacements, cooling system flushes).

- Ensure the motor has **never been neglected** (e.g., **no extended periods without oil changes**).

3. **Fuel and Oil Type**

- Confirm the motor runs on **91 octane fuel** (some older Evinrude motors **detonate** on lower octane).

- Use **marine-grade oil** (e.g., **Mercury Marine, Evinrude Premium**) to prevent **sludge buildup**.

4. **Electrical and Tuning**

- If the motor has **electronic issues**, a **professional tune** may be needed.

- Consider **upgrading the exhaust** (if stock is restrictive) or **ECU tuning** for better performance.

5. **Boat Compatibility**

- Ensure the **mounting pattern** matches your boat s **transom**.

- Check **shift linkage and throttle cable** for wear.

- Verify **electrical connections** (some older motors use **different wiring** than modern boats).

6. **Budget for Repairs**

- Be prepared for **unexpected repairs** (e.g., **rebuilding the engine, replacing the ECU, or fixing cooling issues**).

- A **full rebuild** can cost **$3,000 $6,000 **, depending on labor and parts.

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### **Conclusion and Recommendation**

#### **Who Should Buy This Motor?**

**Performance Enthusiasts** If you prioritize **raw power and speed** over fuel efficiency, this motor delivers **strong acceleration and high RPM performance**, especially in **wakeboarding or racing applications**.

**Saltwater Boaters on a Budget** For those who need a **reliable, high-horsepower outboard for saltwater use** without spending **$10,000 on a new Mercury or Yamaha**, this

Details:

PART NUMBER 0204700. LOCATION - ATTIC-4A B, ABOUT Vans Sport has grown to one of the largest OEM dealers in Midwest.

part #: 0204700 prices

• $10.49-$38.95

specifications ouboaen:

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• brand: Evinrude
• mpn: 0204700

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

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