YAMAHA 90109-12002-00 Swing Armarm Arm Bolt Swingarm

( Part Type: Swing Arm Bolt ), ( Manufacturer Warranty: No Warranty ), ( Country Of Origin: Japan ), ( UPC: 901091200200 )

Review YAMAHA Oem Swingarm Swing Arm Bolt 90109-12002 fits RAPTOR YFZ450 660R 2004–2005

The **Yamaha 90109-12002-00** is a high-quality, precision-engineered swingarm for the **2004 and 2005 Yamaha YFZ450 Raptor and YFZ660R**, designed to deliver both durability and performance in rugged off-road conditions. Crafted from high-strength steel, this swingarm features a robust construction that ensures stability and resistance to the stresses of heavy-duty use, whether tackling rough trails, rocky terrain, or aggressive riding maneuvers. The **90109-12002-00** is a direct-fit replacement, meticulously manufactured to match the original specifications, including the exact bolt pattern and mounting points, ensuring a seamless installation without the need for modifications. Its smooth, polished finish not only enhances its aesthetic appeal but also helps prevent corrosion, a critical factor for longevity in environments exposed to moisture and dirt. The swingarm s design incorporates Yamaha s engineering expertise, balancing weight distribution and structural integrity to maintain optimal handling and responsiveness, whether the bike is being ridden on-road or off. Whether you're a serious off-road enthusiast looking to restore your Raptor or 660R to factory condition or a mechanic seeking a reliable OEM replacement part, this swingarm delivers the performance and reliability expected from Yamaha s legendary off-road lineup. Its compatibility with both the **YFZ450 Raptor** and **YFZ660R** models makes it a versatile choice for riders who value both power and precision in their off-road adventures.

### **Pros and Cons of buying a Yamaha YFZ450 Swingarm Bolt (Part Number: 90109-12002-00, Fits 2004-2005 YFZ450 Raptor, 660R)**

1. **Direct Fitment** This swingarm bolt is specifically designed for the 2004 and 2005 Yamaha YFZ450 Raptor and the 2005-2006 Yamaha 660R, ensuring compatibility without modification.

2. **High-Quality Material** Yamaha parts are generally made from durable steel, resistant to wear and corrosion, which extends the lifespan of the swingarm assembly.

3. **Easy Installation** Replacing a swingarm bolt is a straightforward process that typically requires basic tools (socket wrench, torque wrench, and possibly a puller for the old bolt).

4. **Prevents Swingarm Failure** A worn or broken swingarm bolt can lead to catastrophic failure, causing the swingarm to detach mid-ride. Replacing it proactively avoids costly repairs or accidents.

5. **Cost-Effective** Compared to full swingarm replacement, a single bolt is inexpensive, making it a budget-friendly maintenance solution.

6. **OEM Quality** Being an original Yamaha part, it meets the manufacturer s specifications, ensuring proper fit and function.

7. **Available from Multiple Sources** This part is widely stocked by Yamaha dealers, online marketplaces (eBay, Amazon, RockAuto), and specialty motorcycle parts retailers.

1. **Potential for Counterfeit Parts** Purchasing from untrusted sellers may result in fake or low-quality replicas, which could fail prematurely.

2. **Limited Lifespan** While durable, swingarm bolts can wear out over time, especially if the bike sees heavy use or off-road abuse. Regular inspection is recommended.

3. **Torque Specifications Must Be Followed** Over-tightening or under-tightening the bolt can lead to stripping or loosening, compromising safety.

4. **May Require Additional Maintenance** If the swingarm itself is worn or damaged, replacing just the bolt may not fully resolve suspension or handling issues.

5. **Not a Permanent Fix for Underlying Problems** If the swingarm has cracks, rust, or other damage, replacing just the bolt will not address those issues.

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The **Yamaha YFZ450 Swingarm Bolt (90109-12002-00)** is a **practical and cost-effective** solution for maintaining the integrity of your 2004-2005 YFZ450 Raptor or 2005-2006 660R. It is a **critical safety component**, and neglecting its replacement can lead to severe consequences. The bolt is **easy to install**, **durable**, and **widely available**, making it a smart choice for routine maintenance.

However, **buyers should ensure they purchase from a reputable source** to avoid counterfeit parts. Additionally, **regular inspection of the swingarm assembly** is advisable to catch any signs of wear before they become safety hazards.

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- **Buy from an authorized Yamaha dealer or a trusted online retailer** (e.g., RockAuto, official Yamaha parts distributors) to guarantee authenticity.

- **Follow the manufacturer s torque specifications** (typically around **100-120 ft-lbs** for Yamaha swingarm bolts) to prevent stripping.

- **Inspect the swingarm for cracks, rust, or deformation** before and after installation if any issues are found, consider replacing the entire swingarm.

- **Perform this maintenance as part of regular bike upkeep**, especially if the bike is used frequently or in rough terrain.

- **Consider keeping a spare bolt** in case of future replacements.

**Final Verdict:** This part is **worth purchasing** for its role in ensuring ride safety and longevity, provided it is sourced correctly and installed properly. It is a **simple, low-cost preventive measure** that can prevent expensive repairs or accidents.

Details:

USED OEM YAMAHA SET OF 2 SWINGARM BOLTS WITH WASHERS NUTS FOR 04-05 YFZ450 CARB model's AND 01-05 RAPTOR 660R.

part #: 901091200200 prices

• $10.00-$30.50

specifications atvbars:

• for models: Yfz450, 660r, Raptor
• for makes: Yamaha
• for years: 2004-2005
• part type: Swing Arm Bolt
• manufacturer warranty: No Warranty
• country of origin: Japan
• upc: 901091200200

seller atvbars:

• rating: 99.8%
• # reviews: 51115
• city: Auburn, Pennsylvania

offer atvbars:

• options: Ship-to-home
• started: February 20, 2026
• quantity: 2
• sold: 0
• availability: In Stock

shipping atvbars:

• class: Standard
• carrier: USPS
• transit: 4-10 Days
• cost: $14.00
• type: Calculated
• service: USPS Ground Advantage

payments atvbars:

• credit card: Discover
• other
• wallet: Paypal

general atvbars:

• ATV, Side-by-Side UTV Parts Accessories > Body Frame > Grab Bars Handles
• condition: Used

returns atvbars:

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

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