fits make: Yamaha.

( Part Type: Throttle Screw ), ( UPC: 493141220000 )
The **Yamaha 493-14122-00-00 Throttle Screw (NOS New Old Stock)** is a meticulously preserved, high-performance component designed for Yamaha outboard motors, particularly those equipped with carbureted or early fuel-injected models. Crafted from durable, corrosion-resistant materials, this throttle screw is engineered to ensure precise throttle response, smooth operation, and optimal engine performance. The screw features a finely machined, threaded design that allows for incremental adjustments, enabling riders to fine-tune acceleration, idle stability, and overall engine efficiency with exceptional accuracy. Whether used in classic Yamaha outboards like the 40HP, 50HP, or 60HP models from the late 1980s through the early 2000s, this NOS part guarantees a seamless fit and reliable functionality, free from the wear and degradation often found in aftermarket or refurbished alternatives. Its pristine condition complete with original packaging or packaging remnants ensures that it meets the exacting standards of enthusiasts and mechanics who demand authenticity and performance. Ideal for restoration projects, performance upgrades, or routine maintenance, this throttle screw is a testament to Yamaha s engineering precision, offering both reliability and the satisfaction of using a genuine, high-quality component.
### **Pros and Cons of buying a Yamaha 493-14122-00-00 Throttle Screw (OEM Part)**
#### **Pros:**1. **OEM Quality and Compatibility** This is a genuine Yamaha part, meaning it is designed specifically for Yamaha engines (commonly found in outboard motors like 200 400 HP models). It ensures a perfect fit and reliable performance without modification.
2. **Durability and Performance** Yamaha s OEM components are built to withstand high stress, vibration, and environmental conditions, reducing the risk of premature wear or failure.
3. **Warranty Coverage** Purchasing from an authorized dealer or Yamaha-approved supplier may include warranty protection, offering peace of mind in case of defects.
4. **Ease of Installation** Since it is a direct replacement part, installation is straightforward, requiring minimal tools and expertise.
5. **Reliability in Critical Applications** The throttle mechanism is crucial for engine control, and a high-quality part like this ensures smooth throttle response, preventing stalling or erratic behavior.
6. **Long-Term Cost Savings** While the upfront cost may be higher than aftermarket alternatives, OEM parts often last longer, reducing the need for frequent replacements.
#### **Cons:**1. **Higher Cost** OEM parts are typically more expensive than generic or aftermarket alternatives, which can be a significant drawback for budget-conscious buyers.
2. **Limited Availability** Depending on the region, finding this specific part may require ordering from a Yamaha dealer or an online marketplace, potentially involving shipping delays.
3. **Potential Overkill for Minor Issues** If the throttle screw is only slightly worn or the problem is minor (e.g., a loose connection rather than a failed part), replacing the entire screw may be unnecessary, making it an overkill repair.
4. **No Customization Options** Unlike some aftermarket parts, this OEM component does not offer adjustable or upgraded features, limiting flexibility for performance tuning.
5. **Depreciation Risk** If the boat or engine is older, the value of the OEM part may not justify the cost if the vehicle is no longer in active use.
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### **Conclusion**
The **Yamaha 493-14122-00-00 throttle screw** is a high-quality, reliable OEM component that ensures proper engine function and longevity. It is ideal for owners who prioritize **durability, warranty support, and seamless compatibility** with their Yamaha outboard motor. However, the **higher cost and potential overkill for minor issues** make it less attractive for budget repairs or non-critical replacements.
For most serious boat owners who want **confidence in their engine s performance**, this part is a strong recommendation. If cost is a major concern, a **high-quality aftermarket alternative** (from reputable brands like Seafoam, Evinrude/Johnson-compatible parts, or trusted suppliers) could be a viable substitute provided it meets Yamaha s specifications.
### **Final Recommendation:** **Buy the Yamaha 493-14122-00-00 throttle screw if:**- You need a **direct, guaranteed-fit replacement** for a Yamaha engine.
- You want **long-term reliability and warranty protection**.
- The part is **genuinely required** (not just a precautionary replacement).
**Consider an aftermarket alternative if:**- You are on a **tight budget** and the part is only slightly worn.
- You can verify that the aftermarket part **matches Yamaha s specifications** (e.g., same thread size, material, and function).
- You are comfortable with **DIY installation and potential voiding of warranty** (if applicable).
For most cases where the throttle mechanism is failing, **the OEM part is the safest and most effective choice.** Always cross-reference the part number with your engine model to confirm compatibility before purchasing.
Throttle Screw is new and in good condition, original packaging. All parts are in stock and ready to ship. Items are shipped using USPS, UPS, and FedEx.
New OEM Yamaha 493-14122-00-00 Throttle Screw NOS. If the original package is included it may show signs of wear.