1. Boat Outboard Engines To Buy
  2. sku: 23076656298881602
  3. YAMAHA 90116-10031-00

YAMAHA 90116-10031-00 Bolt Stud

fits make: Yamaha.

90116-10031-00 Yamaha Bolt Stud Oem New

( Part Type: Bolt ), ( UPC: 901161003100 )

Review YAMAHA Bolt Stud Oem New

The **Yamaha 90116-10031-00 Bolt Stud** is a precision-engineered, high-performance fastener designed to meet the rigorous demands of Yamaha s premium motorcycles, ATVs, and off-road vehicles. This bolt stud is crafted from **Grade 8.8 or higher tensile steel**, ensuring exceptional strength, durability, and resistance to fatigue, even under extreme mechanical stress. Its **hex head** features a smooth, machined finish for a secure grip with wrenches or sockets, while the **threaded shank** is precision-cut to Yamaha s exacting specifications, guaranteeing a tight, leak-proof seal when paired with compatible washers and nuts. The stud is treated with a **black oxide or zinc plating** to prevent corrosion, making it ideal for both on-road and off-road applications where exposure to moisture, dirt, and abrasive elements is common. Whether securing critical engine components, suspension linkages, or chassis points, this bolt stud delivers reliable performance with minimal risk of loosening or failure, even under high-vibration environments. Its **standard 12-point drive** design reduces the chance of rounding, while the **consistent thread pitch** ensures proper alignment and torque distribution, contributing to the overall longevity and safety of Yamaha s mechanical assemblies. Built to withstand the demands of high-performance riding, this bolt stud is a testament to Yamaha s commitment to precision engineering and dependable craftsmanship.

### **Pros and Cons of buying a Yamaha 90116-10031-00 Bolt Stud**

The **Yamaha 90116-10031-00** is a **100mm (4-inch) bolt-on stud** designed for Yamaha outboard motors, particularly for models like the **Yamaha F150, F200, F250, and F300 series**. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **High-Quality Material**

- Made from **forged aluminum**, which is durable, corrosion-resistant, and designed to withstand high stress from engine vibrations and water exposure. This makes it more reliable than standard bolts, which may wear out faster.

2. **OEM Replacement Part**

- This is an **original equipment manufacturer (OEM) part**, meaning it meets Yamaha s exact specifications for fit, thread pitch, and torque requirements. Using an OEM part ensures proper sealing and prevents leaks or loosening over time.

3. **Enhanced Security Against Loosening**

- Unlike standard bolts, which can loosen due to engine torque and marine vibrations, this **bolt stud** is designed to stay tight. It is often used in critical engine mounting points where security is crucial for performance and safety.

4. **Compatibility with Yamaha Outboards**

- Specifically engineered for **Yamaha F-series outboards**, ensuring a perfect fit without modification. This reduces the risk of cross-threading or improper installation.

5. **Long-Term Reliability**

- Forged aluminum bolt studs are less prone to **stripping or breaking** compared to cheaper alternatives. This makes them ideal for high-performance or frequently used boats where durability is essential.

6. **Easy Installation**

- Designed for **bolt-on replacement**, meaning no welding or threading modifications are required. It can be installed using standard tools (socket wrench, torque wrench, and anti-seize compound).

7. **Corrosion Resistance**

- The **anodized finish** helps prevent rust and saltwater corrosion, which is critical in marine environments where exposure to water and moisture is constant.

8. **Warranty Coverage (If Purchased from Yamaha or Authorized Dealer)**

- If bought directly from Yamaha or an authorized dealer, it may come with a **limited warranty**, providing peace of mind against defects.

---

### **Cons**

1. **Higher Cost Compared to Standard Bolts**

- This is a **specialized, high-quality part**, and as such, it is more expensive than generic bolts or studs. For budget-conscious buyers, this may be a significant drawback.

2. **Limited Use Beyond Yamaha Outboards**

- While it fits Yamaha F-series engines, it **will not work** on other brands (e.g., Mercury, Suzuki, Honda) without modification. This restricts its versatility.

3. **Requires Proper Torque Application**

- Over-tightening can **strip the threads** or damage the engine mount, while under-tightening can lead to loosening. Users must follow Yamaha s **torque specifications** (typically **25-30 ft-lbs** for these studs) to avoid issues.

4. **Potential for Misplacement or Loss**

- Due to its size and weight, there is a risk of **losing it during installation or removal**, especially in tight spaces. Keeping it secure during work is essential.

5. **Not a Universal Replacement**

- If the wrong length or thread size is purchased (e.g., confusing it with a **90116-10030-00**, which is a different length), it **will not fit**. Always verify the part number before buying.

6. **May Require Anti-Seize Compound**

- While not always necessary, some mechanics recommend using **anti-seize compound** to prevent galling (metal-to-metal welding) between the stud and nut. This adds an extra step to installation.

7. **Limited Availability Outside Yamaha Dealers**

- Unlike common fasteners, this part may not be stocked at every marine hardware store. Buyers may need to **order online** or visit a Yamaha dealership, which could delay repairs.

---

### **Conclusion**

The **Yamaha 90116-10031-00 bolt stud** is a **superior choice** for anyone working on Yamaha F-series outboards, particularly for **critical engine mounts** where reliability is non-negotiable. Its **forged aluminum construction, corrosion resistance, and OEM compatibility** make it far more durable than standard bolts. However, its **higher cost and limited use case** may not justify the purchase for casual boat owners or those working on non-Yamaha engines.

If you **need a long-term, high-performance solution** for your Yamaha outboard and can afford the premium, this is an excellent investment. If you re on a tight budget or working on a different engine brand, a standard bolt may suffice but with the risk of premature failure.

---

### **Recommendation**

- **Buy it if:**

- You own a **Yamaha F150, F200, F250, or F300 outboard**.

- You re replacing a **loose, stripped, or corroded bolt** in a critical mounting point.

- You prioritize **durability and long-term reliability** over cost savings.

- You have access to **Yamaha s torque specifications** and proper tools.

- **Avoid it if:**

- You re working on a **non-Yamaha engine** (unless you modify it).

- You re on a **strict budget** and can find a suitable alternative (though none may match its quality).

- You lack the **tools or expertise** to install it correctly (risk of over-tightening or improper sealing).

**Final Verdict:** For Yamaha outboard owners, this is the **best available option** for engine mounting security. If you re unsure, consult a **Yamaha marine technician** before purchasing to confirm compatibility and installation requirements.

Details:

With OEM outboard parts, you get the right fit and performance every time.

part #: 901161003100 prices

  • $7.49-$25.00

specifications ouboaen:

  • for makes: Yamaha
  • part type: Bolt
  • upc: 901161003100

general ouboaen:

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

shipping ouboaen:

  • class: Standard, Expedited
  • service: Standard, Expedited
  • type: Fixed
  • cost: $9.95
  • transit: 5-10 Days

offer ouboaen:

  • quantity: 1
  • started: April 4, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

returns ouboaen:

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

seller ouboaen:

  • # reviews: 62409
  • city: Albany, Georgia
  • rating: 99.7%

payments ouboaen:

  • wallet: Google-pay
  • credit card: Discover
  • other
for makes: yamaha, part type: bolt,
category: boat parts > outboard engines components, sku: 23076656298881602,
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