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  3. JOHNSON EVINRUDE 0392598

JOHNSON EVINRUDE 0392598 Carburetor Upper Lower Carb Set 0392599 Johnson/evinrude 140HP Freswater

fits make: Omc, Johnson.

0392599 Johnson Evinrude 0392598 392598 392599 Johnson/evinrude Omc 140hp Carburetor Upper And Lower Carb Set Freswater

( Brand: Johnson Evinrude ), ( Manufacturer Part Number: 0392598 ), ( Part Type: Carburetor )

Review JOHNSON EVINRUDE Johnson/evinrude Omc 140hp Carburetor Upper And Lower Carb Set Freswater

The **Johnson/Evinrude OMC 140HP Carburetor Upper and Lower Carb Set (Part Numbers: 0392598, 0392599, 392598, 392599)** is a precision-engineered replacement component designed exclusively for freshwater outboard motors in the OMC 140 horsepower series, ensuring optimal performance, fuel efficiency, and reliability. This high-quality carburetor set features a robust, durable construction with meticulously machined components, including a **lower carb assembly (part #0392598 or 392598)** and an **upper carb assembly (part #0392599 or 392599)**, both crafted from corrosion-resistant materials to withstand the demands of marine environments. The upper carburetor houses the throttle body, mixture screws, and idle adjustment mechanisms, allowing for precise fuel-air ratio control, while the lower carburetor incorporates the fuel pump, jets, and intake passages, ensuring a steady and consistent flow of fuel to the engine. Engineered to meet OMC s stringent performance standards, this carburetor set is compatible with a range of freshwater outboards, including models from the **Evinrude E-TEC and Johnson E-TEC series**, providing a seamless fit and reliable operation. Whether used for replacement or upgrade purposes, this carburetor set delivers enhanced throttle response, smoother acceleration, and improved fuel economy, making it an essential component for boaters seeking peak performance. Built to last, the set is designed for easy installation, requiring minimal disassembly of the engine, and is backed by OMC s reputation for quality and durability, ensuring long-term reliability in both recreational and performance applications.

### **Pros and Cons of Buying a Johnson/Evinrude OMC 140HP Carburetor Upper/Lower Carb Set (Freshwater)**

#### **Pros:**

1. **Compatibility and Fitment** This carburetor set is specifically designed for the Johnson/Evinrude OMC 140HP outboard engine, ensuring a proper fit and optimal performance when installed correctly. It is a direct replacement for the original upper and lower carburetor components, reducing the risk of mismatches.

2. **Performance Enhancement** A well-maintained or upgraded carburetor set can improve fuel efficiency, throttle response, and overall engine performance. If the original carburetor was worn or clogged, replacing it with a new set can restore power and reliability.

3. **Prevents Further Damage** If the existing carburetor is failing, continuing to use it could lead to more severe engine damage, such as fuel system clogs, poor combustion, or even engine stalling. Replacing it proactively can save money in the long run by avoiding costly repairs.

4. **Easier Maintenance** A new carburetor set comes clean and ready for installation, making tuning and maintenance simpler. It also allows for easier adjustments to fuel mixture, idle settings, and throttle response.

5. **OEM Quality (Original Equipment Manufacturer)** Since this is an OMC (Original Manufacturing Company) part, it is built to the same high standards as the original components, ensuring durability and reliability. It is less likely to fail prematurely compared to aftermarket knockoffs.

6. **Warranty Coverage** Purchasing from a reputable dealer or manufacturer may include a warranty, providing peace of mind in case of defects or installation issues.

7. **Freshwater-Specific Design** This carburetor set is designed for freshwater use, which means it is optimized for the conditions found in lakes, rivers, and ponds, reducing the risk of corrosion or clogging from freshwater contaminants.

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#### **Cons:**

1. **Cost** Replacing a carburetor set is an expensive repair, especially when factoring in labor costs if professional installation is required. The price of the part itself (typically $200 $400 or more, depending on the source) can be a significant investment for boat owners on a tight budget.

2. **Installation Complexity** Carburetor replacement requires mechanical skill and familiarity with outboard engines. Improper installation can lead to poor performance, fuel waste, or even engine damage. DIYers without experience may need to consult a professional mechanic.

3. **Time-Consuming** Removing and reinstalling a carburetor involves disassembling parts of the engine, which can take several hours, especially for those unfamiliar with the process. This downtime means the boat may be out of commission for an extended period.

4. **Potential for Additional Repairs** If the carburetor failure was due to underlying issues (such as a clogged fuel filter, worn seals, or a failing fuel pump), replacing just the carburetor may not fully resolve the problem. A thorough inspection of the fuel system may be necessary.

5. **Depreciation Factor** Older boats may not retain high resale value, and major repairs like carburetor replacement can further reduce their market worth. If the boat is no longer in regular use, the cost-benefit of the repair may not justify the expense.

6. **Availability of Parts** While this is an OMC part, availability can vary depending on the region and dealer. Some older models may have limited stock, requiring advance ordering or sourcing from specialty suppliers.

7. **Environmental and Legal Considerations** If the boat is not properly maintained, replacing the carburetor may not address emissions or pollution concerns. Some regions have strict regulations on boat maintenance and fuel systems, so compliance should be verified.

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### **Conclusion:**

Replacing the carburetor on a Johnson/Evinrude OMC 140HP freshwater outboard is a **necessary repair if the carburetor is failing**, as it directly impacts engine performance, fuel efficiency, and longevity. The benefits such as restored power, improved reliability, and prevention of further damage outweigh the drawbacks in most cases where the carburetor is confirmed to be the root cause of the issue.

However, the **high cost, installation complexity, and potential for additional repairs** mean that this should not be undertaken lightly. If the boat is older or the owner is unsure about the extent of the problem, consulting a marine mechanic for a diagnostic inspection is advisable before committing to the replacement.

For those with mechanical experience and access to the correct tools, a DIY approach can save money, but professional installation is recommended to ensure proper tuning and avoid future problems. Ultimately, the decision depends on the boat s condition, budget, and long-term usage plans.

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### **Recommendation:**

1. **Verify the Problem** Before purchasing, confirm that the carburetor is indeed the issue. Symptoms like rough idling, stalling, poor acceleration, or excessive fuel consumption may indicate carburetor wear, but a mechanic should inspect the fuel system, spark plugs, and other components to rule out alternative causes.

2. **Compare Prices** Obtain quotes from multiple suppliers (both online and local dealers) to ensure you re getting a fair price. Check for bundled deals or discounts, especially if purchasing additional related parts (e.g., fuel filters, seals).

3. **Consider Professional Installation** If you lack experience with outboard engine repairs, hiring a marine mechanic is the safest option. They can also perform a post-installation tune-up to optimize performance.

4. **Evaluate the Boat s Longevity** If the boat is older and the repair cost approaches the value of the vessel, weigh whether the investment is justified. For high-use boats, the repair is worthwhile; for seldom-used or low-value boats, the cost may not be worth it.

5. **Maintain the Carburetor** After installation, follow a regular maintenance schedule, including carburetor cleaning, fuel system checks, and periodic adjustments, to extend the life of the new components.

**Final Verdict:** If the carburetor is confirmed faulty and the boat is in regular use, replacing it with the OMC 140HP carburetor set is a **recommended and necessary repair** to maintain engine health. However, proceed with caution, budget accordingly, and consider professional help if needed to avoid costly mistakes.

Details:

Off a 1980 Johnson 140hp freshwater only outboard. It ll fit many different years and sizes of Johnson outboards. This was a fully running motor at time of part out. This unit is in good condition and everything moves it should.

Comes with whats pictured. Just because the part looks right does not mean that it is.

part #: 0392598 price

  • $199.99

specifications ouboaen:

  • for makes: Omc, Johnson
  • brand: Johnson Evinrude
  • mpn: 0392598
  • part type: Carburetor

returns ouboaen:

  • policy: No Returns

general ouboaen:

  • Boat Parts > Outboard Engines Components > Intake Fuel Systems
  • condition: Used

payments ouboaen:

  • wallet: Paypal
  • credit card: Diners-club
  • other

offer ouboaen:

  • sold: 0
  • quantity: 1
  • started: April 16, 2026
  • availability: In Stock
  • options: Ship-to-home

seller ouboaen:

  • # reviews: 543
  • city: Mount Vernon, Ohio
  • rating: 99.6%

shipping ouboaen:

  • carrier: USPS
  • class: Standard
  • service: USPS Ground Advantage
  • transit: 4-9 Days
  • cost: $10.00
  • type: Fixed
for makes: omc, johnson, part type: carburetor,
category: boat parts > outboard engines components > intake fuel systems, sku: 23339093686412602,
Johnson Evinrude 0392598 Is Similar To:
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1 offer $199.99 USD
  • Used. Offer #1 priced at $199.99 + $10.00 shipping estimate = $209.99* total. It ll fit many different years and sizes of Johnson outboards Off a 1980 Johnson 140hp freshwater only outboard.+$10.00 shipping

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