1. Watercraft Intake & Fuel Systems Products
  2. sku: 15579525993417721
  3. YAMAHA 99999-04340-00

YAMAHA 99999-04340-00 Fx Svho Supercharger Bolts 1.8

fits make: Yamaha. year: 2015.

99999-04340-00 Yamaha 2015 Fx Svho 1.8 Supercharger Bolts Included

( Part Type: Bolt ), ( UPC: 999990434000 )

Review YAMAHA Fx Svho 1.8 Supercharger Bolts Included fits 2015

The **Yamaha 99999-04340-00 2015 FX-SVHO 1.8 Supercharger Bolts** are precision-engineered fasteners specifically designed for the high-performance supercharger system of the 2015 Yamaha FX-SVHO, a rugged and versatile sport utility vehicle known for its off-road prowess and adaptability. These bolts are meticulously crafted to meet Yamaha s stringent quality standards, ensuring optimal performance, durability, and reliability under the demanding conditions encountered during both on-road and off-road driving. Engineered from high-grade, heat-treated steel, these bolts are treated with a robust black oxide or zinc plating to resist corrosion, rust, and wear, making them ideal for environments where exposure to moisture, dirt, and extreme temperatures is common. The bolts feature a fine thread pitch and a precise torque specification, which is critical for maintaining the proper sealing and structural integrity of the supercharger assembly a component that significantly enhances engine power and efficiency in the FX-SVHO s 1.8-liter turbocharged engine. Whether you're performing routine maintenance, upgrading your vehicle s performance, or addressing a supercharger-related issue, these bolts provide the necessary strength and precision to keep your system operating at peak performance. Their compatibility with the 2015 model ensures a seamless fit, reducing the risk of misalignment or improper installation that could compromise engine performance or safety. For enthusiasts and mechanics alike, these bolts represent a vital component in preserving the integrity of the FX-SVHO s forced induction system, ensuring that every ride whether on a dusty trail or a paved highway is both powerful and dependable.

Buying the **Yamaha 99999-04340-00 (2015 FX-SVHO 1.8L Supercharger Bolts)** a set of supercharger mounting bolts requires careful consideration of its purpose, compatibility, and long-term implications for your vehicle. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of purchasing a Supercharger Bolts**

1. **Direct Compatibility with the 2015 FX-SVHO**

- These bolts are specifically designed for the **Yamaha FX-SVHO (1.8L supercharged engine)**, ensuring a proper fit without modifications. This reduces the risk of cross-threading or improper installation, which could lead to leaks or failure.

2. **Prevents Supercharger Leaks**

- The supercharger relies on a secure, sealed connection to maintain boost pressure. Worn or damaged bolts can cause leaks, reducing performance and potentially damaging the intercooler, intake manifold, or supercharger itself. Replacing them proactively addresses this issue.

3. **Maintenance and Reliability**

- Supercharger bolts are subject to high stress from boost pressure and engine vibrations. Over time, they can loosen or corrode, leading to catastrophic failure if the supercharger detaches. Replacing them as part of routine maintenance (typically every **50,000 100,000 miles**) extends the lifespan of the supercharger and engine components.

4. **Cost-Effective Compared to Supercharger Replacement**

- A supercharger failure due to bolt failure can cost **$1,500 $3,000 ** to replace, including labor. Replacing just the bolts (typically **$20 $50 for a set**) is a fraction of the cost and a wise preventive measure.

5. **Easy Installation**

- These bolts are straightforward to replace, requiring only basic tools (socket wrench, torque wrench, and possibly a gasket scraper). No specialized skills are needed, making it a DIY-friendly repair.

6. **Improves Engine Performance Stability**

- A securely mounted supercharger ensures consistent boost delivery, which is critical for power output and throttle response. Loose bolts can cause pulsations or pressure drops, leading to rough idle or reduced horsepower.

7. **Prevents Damage to Adjacent Components**

- If a supercharger detaches mid-operation, it can damage the intake manifold, throttle body, or even the engine block. Replacing bolts mitigates this risk.

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### **Cons of purchasing a Supercharger Bolts**

1. **Potential for Counterfeit or Low-Quality Parts**

- Some aftermarket or eBay sellers may offer **fake or substandard bolts**, which could fail prematurely or strip when tightened. Always purchase from **authorized Yamaha dealers, reputable online retailers (like Amazon, RockAuto, or Yamaha s official site), or trusted parts stores** to ensure authenticity.

2. **Misidentification of Correct Bolt Type**

- While these bolts are correct for the **2015 FX-SVHO**, there are slight variations in bolt patterns across years (e.g., 2014 vs. 2016 models). Double-checking the **VIN or engine code** ensures you have the right part. Using the wrong bolts (e.g., shorter or longer) can lead to improper sealing or interference.

3. **Time-Consuming Installation**

- Removing and reinstalling the supercharger requires **disconnecting hoses, sensors, and electrical connectors**, which can take **1 3 hours** for a first-time DIYer. If you re not comfortable with engine work, labor costs at a shop may apply.

4. **Torque Specifications Must Be Followed Precisely**

- Supercharger bolts must be tightened to the **exact specification** (typically **25 30 ft-lbs** for these bolts) to avoid overtightening (which can strip threads) or undertightening (which can cause leaks). Using a **torque wrench** is mandatory.

5. **Gasket Replacement May Be Required**

- If the bolts were previously removed, the **supercharger gasket or intake manifold gasket** may be damaged and need replacement. This adds to the cost but is often necessary for a proper seal.

6. **Supercharger Belt Tension Check Needed**

- While not directly related to the bolts, replacing them is a good opportunity to inspect the **supercharger belt** for wear or stretching. A worn belt can cause supercharger slippage, reducing efficiency.

7. **Limited Lifespan of Bolts**

- Even high-quality bolts will eventually wear out due to **vibration, heat, and pressure cycles**. They are not a "forever" part and should be checked during **regular maintenance intervals**.

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### **Conclusion**

The **Yamaha 99999-04340-00 supercharger bolts** are a **critical and cost-effective maintenance item** for the 2015 FX-SVHO. Their primary purpose is to **prevent leaks, ensure proper supercharger function, and avoid costly failures**. The benefits of replacing them far outweigh the risks, provided you:

- Purchase **authentic, high-quality bolts** from a trusted source.

- Follow **proper installation procedures** (torque specs, gasket condition).

- Perform the replacement at the **recommended interval** (every 50,000 100,000 miles or as needed).

The **main drawbacks** are the **potential for counterfeit parts, installation complexity, and the need for careful torque application**, but these are mitigated by due diligence. For most owners, this is a **simple, necessary upgrade** rather than a luxury purchase.

---

### **Recommendation**

1. **Buy from an Authorized Source**

- Purchase the bolts from **Yamaha s official parts store, a Yamaha dealership, or a reputable online retailer** (e.g., RockAuto, Amazon, or eBay with verified seller feedback). Avoid unknown sellers to avoid counterfeit parts.

2. **Check for Additional Wear**

- While replacing the bolts, inspect the **supercharger gasket, intake manifold, and bolts for cracks or corrosion**. Replace any damaged components to ensure a proper seal.

3. **Use a Torque Wrench**

- **Never** rely on "feel" when tightening bolts. Use a **digital torque wrench** set to **25 30 ft-lbs** (check your owner s manual for exact specs). Over-tightening can strip threads, while under-tightening can cause leaks.

4. **Consider Professional Installation if Uncertain**

- If you re not comfortable with engine work, a **mechanic can install them for $100 $200 in labor**. This is a small price to pay for peace of mind, especially if you re unsure about gasket replacement or torque specs.

5. **Set a Reminder for Future Replacement**

- Since these bolts are subject to wear, **mark your calendar or maintenance log** to replace them again in **50,000 100,000 miles**, or sooner if you notice **leaks, rattling, or reduced boost pressure**.

6. **Document the Process**

- Take photos or notes during installation in case you need to reference them later (e.g., for warranty claims or future repairs).

---

### **Final Verdict**

**Buy the bolts if:**

- You own a **2015 FX-SVHO with a 1.8L supercharged engine**.

- You re experiencing **leaks, rattling, or reduced boost pressure**.

- You re performing **routine maintenance** and want to prevent future failures.

**Avoid delaying replacement if:**

- You notice **visible damage, corrosion, or looseness** in existing bolts.

- You ve exceeded **100,000 miles** without checking them.

This is a **low-cost, high-reward** maintenance item that **extends the life of your supercharger and engine**, making it a **strongly recommended purchase** for responsible owners.

Details:

Supercharger removed from a 2015 Yamaha FX SVHO. Used and in good working condition. Comes exactly as shown. Review photos carefully.

part #: 999990434000 prices

  • $799.99-$1050.95

specifications jetskiintakeez:

  • for makes: Yamaha
  • for years: 2015
  • part type: Bolt
  • upc: 999990434000

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offer jetskiintakeez:

  • options: Ship-to-home
  • started: March 2, 2026
  • quantity: 1
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  • availability: In Stock

general jetskiintakeez:

  • condition: Used
  • Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

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for makes: yamaha, for years: 2015, part type: bolt,
category: watercraft parts > intake fuel systems, sku: 15579525993417721,
Yamaha 99999-04340-00 Is Similar To:
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4 offers $799.99–$1050.95 USD
  • Used. Offer #1 priced at $1050.95 + $0.00 shipping estimate = $1050.95* total. Review photos carefully Supercharger removed from a 2015 Yamaha FX SVHO .FREE SHIPPING
  • Used. Offer #2 priced at $1000.00 + $19.52 shipping estimate = $1019.52* total. +$19.52 shipping
  • Offer #3 priced at $799.99 + $19.52 shipping estimate = $819.51* total. Removed From: 2017 Yamaha WaveRunner FX FC1800 SVHO.+$19.52 shipping
  • Used. Offer #4 priced at $799.99 + $18.22 shipping estimate = $818.21* total. no grinds or issues elsewhere. Removed From: 2016 Yamaha WaveRunner FX SVHO.+$18.22 shipping

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