YAMAHA 90249-16153-00 Pin Specl Swingarm 490 /swingarm

( Part Type: Pin Swingarm ), ( Machine Type: Off-road Motorcycle ), ( Color: Silver ), ( Compatible Model: Yz 490 ), ( Material: Aluminum, Plastic ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear ), ( Unit Type: Unit ), ( Country Of Origin: Japan ), ( UPC: 902491615300 )

Review YAMAHA 490 Oem Pin Specl Shape /swingarm fits YZ 1982

The **Yamaha 90249-16153-00 1982 YZ 490 Swingarm** is a meticulously crafted, high-performance aftermarket replacement part designed to restore or enhance the functionality and aesthetics of Yamaha s legendary 1982 YZ490 motocross bike. This swingarm is a precision-engineered component, built to exacting specifications to ensure a seamless fit and optimal performance on the track. Crafted from high-grade, heat-treated steel, it is engineered to withstand the rigorous demands of motocross riding, including intense vibrations, high-speed impacts, and the relentless stress of aggressive cornering and wheel articulation. The design features a robust, single-piece construction with a smooth, polished finish, blending both durability and a refined visual appeal that complements the classic styling of the YZ490. This swingarm is not merely a functional upgrade but also a nod to the bike s heritage, offering riders the chance to preserve or revive the original factory look while benefiting from modern manufacturing standards. Whether used for restoration purposes or as a direct replacement for a worn-out or damaged original part, this swingarm ensures improved handling, reduced flex, and enhanced reliability, making it an essential component for any serious enthusiast looking to maintain or elevate their 1982 YZ490 s performance. Its compatibility with the bike s suspension system and rear wheel setup guarantees a perfect integration, allowing for optimal wheel travel and articulation, critical elements for competitive racing or spirited off-road adventures.

### Yamaha YZ490 Pin Spec/Swingarm (Model 1982) Pros and Cons

#### **Pros**

1. **Classic Design and Nostalgia** The YZ490 is a well-known and respected model from Yamaha s early 1980s motocross lineup. It holds a strong cult following among vintage dirt bike enthusiasts who appreciate its timeless design and racing heritage.

2. **Proven Reliability** Yamaha s 490cc air-cooled, two-stroke engine was known for durability and consistent performance in its era. Many examples still run reliably with proper maintenance, making it a practical choice for riders who enjoy restoring or maintaining older bikes.

3. **Lightweight and Agile** The YZ490 is a relatively compact and nimble bike, weighing around 200 220 lbs (depending on modifications). This makes it well-suited for smaller riders or those who prefer a bike that s easy to maneuver in tight trails.

4. **Modifiable and Upgradable** The YZ490 has a strong aftermarket support system, with parts available for upgrades such as modern carburetors, suspension, and exhaust systems. Many owners opt to restore or modify it to improve performance or comfort.

5. **Lower Cost of Ownership** Compared to modern dirt bikes, parts and maintenance for a YZ490 are generally less expensive. Fuel, oil, and wear-and-tear items (like chains and sprockets) are also cheaper than those for newer bikes.

6. **Historical Significance** For collectors or enthusiasts interested in motocross history, owning a YZ490 from the early 1980s can be a rewarding experience. It represents a pivotal era in Yamaha s motocross evolution, alongside bikes like the YZ250 and YZ360.

7. **Simplicity** Two-stroke engines are inherently simpler than modern four-strokes, with fewer components to go wrong. This can make maintenance and repairs more straightforward for those with mechanical inclinations.

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#### **Cons**

1. **Age and Wear** The bike is over 40 years old, which means it may require significant restoration work to bring it back to a safe and reliable condition. Rust, worn-out suspension, and outdated components are common issues.

2. **Outdated Technology** The YZ490 lacks modern safety features such as disc brakes (it typically comes with drum brakes), advanced suspension systems, and electronic fuel injection. This can make it less safe and less comfortable for modern riding standards.

3. **Poor Fuel Efficiency** Two-stroke engines consume fuel at a much higher rate than modern four-strokes. The YZ490 gets around 50 70 miles per gallon in ideal conditions, which is far less efficient than today s bikes.

4. **Limited Comfort** The ergonomics, seat height, and suspension are not optimized for today s riding styles. The bike is designed for aggressive, off-road use rather than comfort, which may not suit casual or long-distance riders.

5. **Environmental Concerns** Two-stroke engines produce more emissions and are less environmentally friendly than modern four-strokes. Many areas have restrictions or bans on older two-strokes, especially in urban or protected riding areas.

6. **Parts Availability** While parts are available, some may be harder to find compared to newer models. Original Yamaha parts for a 1982 YZ490 may be discontinued, requiring aftermarket or vintage parts.

7. **Insurance and Registration Challenges** Insuring an older dirt bike can be difficult and expensive, especially if it s not registered for on-road use. Some states have strict regulations on vintage bikes, requiring additional paperwork or modifications.

8. **Performance Limitations** The YZ490 s power delivery is linear and less refined than modern bikes. It lacks the torque and power bands that make contemporary dirt bikes more versatile across different terrains.

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### **Conclusion**

The Yamaha YZ490 Pin Spec/Swingarm from 1982 is a fascinating piece of motocross history with a dedicated following. It offers a unique blend of nostalgia, simplicity, and modifiable potential, making it an attractive choice for enthusiasts who enjoy restoration projects or appreciate classic bikes. However, its age, outdated technology, and lack of modern amenities mean it is not ideal for casual riders, safety-conscious enthusiasts, or those seeking a hassle-free riding experience.

If you are mechanically inclined, enjoy tinkering with vintage machinery, and are prepared for the challenges of restoring and maintaining an older bike, the YZ490 can be a rewarding and fun project. On the other hand, if you prioritize safety, comfort, performance, and ease of use, a modern dirt bike would likely be a more practical and enjoyable choice.

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### **Recommendation**

- **Buy if:** You are passionate about vintage dirt bikes, have experience with mechanical work, and are willing to invest time and effort into restoring or modifying the bike. You also appreciate its historical significance and don t mind its limitations.

- **Avoid if:** You are a beginner rider, prioritize safety and modern features, or want a bike that requires minimal maintenance. Additionally, if you plan to ride frequently or in areas with strict emissions regulations, a newer bike may be more suitable.

For those considering this bike, it s wise to thoroughly inspect it for rust, engine condition, and structural integrity before purchasing. Consulting with experienced vintage bike owners or mechanics can also provide valuable insights into its condition and potential for restoration.

Details:

PIN, SPECL SHAPE 90249-16153-00 /SWINGARM. May need assembly / lubrication adjustments. Purchase is Vintage as used product. 1982 YAMAHA 490 J OEM.

May have hidden flaws/ scratches/ dings dents.

part #: 902491615300 prices

• $17.99-$99.99

specifications cyclevintagee:

• for models: Yz
• for makes: Yamaha
• for years: 1982
• part type: Pin Swingarm
• machine type: Off-road Motorcycle
• color: Silver
• compatible model: Yz 490
• material: Aluminum, Plastic
• vintage part: Yes
• placement on vehicle: Rear
• unit type: Unit
• country of origin: Japan
• upc: 902491615300

returns cyclevintagee:

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

offer cyclevintagee:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: May 11, 2026

seller cyclevintagee:

• city: Spokane, Washington
• rating: 99.8%
• # reviews: 8197

payments cyclevintagee:

• credit card: Diners-club
• other
• wallet: Apple-pay

shipping cyclevintagee:

• carrier: FedEx, USPS
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage
• class: Standard
• cost: $24.96
• transit: 2-4 Days

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

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