YAMAHA 90105-06M17 Outboard Motor Flange Bolt

( Manufacturer Part Number: 90105-06M17 ), ( Part Type: Motor Flange Bolt ), ( Country Of Origin: Japan )

Review YAMAHA Oem Outboard Motor Flange Bolt Lot Of

The **Yamaha 90105-06M17 Outboard Motor Flange Bolt** is a precision-engineered fastener specifically designed for Yamaha s high-performance outboard motors, ensuring secure and reliable attachment between the engine and the transom flange. Crafted from high-grade **A2-70 steel**, this bolt is heat-treated to achieve an optimal balance of strength and durability, capable of withstanding the demanding stresses of marine environments, including exposure to saltwater corrosion, vibration, and fluctuating temperatures. The bolt features a **fine-threaded design** for enhanced grip and load distribution, minimizing the risk of loosening or stripping under heavy loads or during high-speed operation. Its **hex head** is machined to Yamaha s exacting standards, providing a smooth, corrosion-resistant surface that resists galling and ensures a tight, consistent fit when paired with the corresponding nut. The bolt s **smooth, cylindrical shank** is free of sharp edges, reducing the potential for damage to gaskets or seals during installation or removal. This component is a critical part of Yamaha s outboard motor assembly, contributing to the overall integrity and performance of the propulsion system. Whether used in recreational boats, fishing vessels, or performance yachts, the **90105-06M17** exemplifies Yamaha s commitment to quality and reliability, ensuring that the outboard motor remains securely mounted for optimal efficiency and longevity. Always use the correct torque specification and ensure proper alignment during installation to maintain maximum performance and safety.

### **Pros and Cons of buying a Yamaha 90105-06M17 Outboard Motor Flange Bolt**

The **Yamaha 90105-06M17** is a replacement flange bolt designed for certain Yamaha outboard motors, specifically those requiring a **6mm bolt** in the flange assembly. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Direct Compatibility** This bolt is manufactured to fit Yamaha outboards that require a **6mm flange bolt**, ensuring a proper fit without modification. It is part of Yamaha s official replacement parts line, reducing the risk of mismatched dimensions.

2. **High-Quality Material** Yamaha uses durable materials in their replacement parts, including corrosion-resistant steel or stainless steel variants (depending on the model). This helps prevent rust and wear, extending the life of the flange assembly.

3. **Easy Installation** Since it is a standard replacement part, it should fit securely with the correct torque specifications, reducing the risk of loosening or stripping during installation.

4. **Warranty Coverage** Purchasing from an authorized Yamaha dealer or distributor may include warranty protection, offering peace of mind against defects.

5. **Prevents Further Damage** A failing flange bolt can lead to leaks, misalignment, or even motor detachment. Replacing it proactively avoids costly repairs or safety hazards.

6. **Cost-Effective for Repairs** Compared to labor costs for professional replacement, buying and installing this bolt yourself can save money.

7. **Availability** As an OEM (Original Equipment Manufacturer) part, it is widely available through marine supply stores, Yamaha dealerships, and online retailers, ensuring easy access.

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### **Cons**

1. **Limited Use Case** This bolt is **specific to certain Yamaha outboard models** (typically older models like the **Yamaha 40-60 HP outboards from the 1990s 2000s**). If your motor is a newer model or from a different brand, this part may not fit.

2. **Potential for Counterfeit Parts** Purchasing from unapproved sellers (e.g., third-party online marketplaces) risks receiving **fake or low-quality replicas**, which may fail prematurely or not fit correctly.

3. **Requires Proper Installation Knowledge** If not installed correctly (e.g., incorrect torque), the bolt could strip the threads or fail under load. DIYers without mechanical experience may need to seek professional help.

4. **May Need Additional Parts** In some cases, replacing a single bolt may require **sealing washers, gaskets, or torque adjustments** to ensure a proper seal, adding to the cost.

5. **Price Sensitivity** While not excessively expensive, some buyers may find it a **minor but necessary expense**, especially if they are performing routine maintenance rather than a critical repair.

6. **Environmental Exposure Risks** Even high-quality bolts can corrode over time if exposed to **saltwater, freshwater, or extreme temperatures**, requiring periodic inspection.

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### **Conclusion**

The **Yamaha 90105-06M17 flange bolt** is a **reliable, high-quality replacement part** for compatible Yamaha outboards, offering durability and proper fit. Its main advantages lie in **compatibility, material quality, and ease of installation**, making it a sound choice for routine maintenance or repairs.

However, its **limited application to specific models** and the **risk of counterfeit parts** if purchased from untrusted sources are key drawbacks. Additionally, improper installation could negate its benefits, so users should ensure they follow manufacturer guidelines.

For most **older Yamaha outboards (40-60 HP, 1990s 2000s) experiencing flange bolt failure**, this part is a **recommended and cost-effective solution**. If unsure about compatibility, verifying the exact model and year of the outboard before purchase is essential.

### **Final Recommendation**

- **Buy from an authorized Yamaha dealer or a reputable marine parts supplier** to ensure authenticity.

- **Check compatibility** with your specific outboard model before purchasing.

- **Follow torque specifications** during installation to prevent damage.

- **Consider professional installation** if unsure about DIY repairs.

- **Inspect periodically** for signs of corrosion or loosening, especially in saltwater environments.

For most users, this bolt is a **practical and necessary replacement** when needed, balancing cost, quality, and reliability.

Details:

While this product does not come with a warranty, you can trust in the durability and performance of Yamaha parts. The Yamaha OEM Outboard Motor Flange Bolt 90105-06M17 is a high-quality replacement part for outboard engines.

part #: 9010506m17 prices

• $10.44-$17.00

specifications ouboaen:

• for makes: Yamaha
• mpn: 90105-06m17
• part type: Motor Flange Bolt
• country of origin: Japan

returns ouboaen:

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

payments ouboaen:

• wallet: Google-pay
• other
• credit card: Visa

offer ouboaen:

• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• started: March 4, 2026

seller ouboaen:

• # reviews: 4416
• city: Perrinton, Michigan
• rating: 99.8%

general ouboaen:

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

shipping ouboaen:

• cost: $6.00
• transit: 3-7 Days
• class: Standard
• service: Standard
• type: Fixed

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