ATHENA MNB180220218 Needle Bearing M-011

( Brand: Athena ), ( Manufacturer Part Number: MNB180220218 ), ( Part Type: Bearing ), ( Vendor: Lionparts ), ( Ships From: United States )

Review ATHENA Needle Bearing Yamaha fits YZ250X 2016–2026

The **Athena MNB180220218 M-011 Needle Bearing** is a precision-engineered, high-performance replacement bearing specifically designed to restore optimal functionality to the rear drive sprocket assembly on Yamaha YZ250X models produced between 2016 and 2026. Crafted from durable, corrosion-resistant steel, this needle bearing is engineered to withstand the rigorous demands of off-road riding, including high-speed impacts, heavy loads, and extreme terrain conditions. The bearing features a meticulously machined inner race with a smooth, polished surface to ensure minimal friction and effortless rotation, while its outer race is precision-ground to maintain perfect alignment with the sprocket hub, preventing premature wear and ensuring a seamless power transfer from the chain to the rear wheel. Its compact yet robust design allows for easy installation, requiring no specialized tools beyond a bearing press or a sturdy hammer and drift pin for removal, making it an ideal choice for both professional mechanics and DIY enthusiasts. The M-011 bearing is a direct-fit replacement, eliminating the need for modification or adaptation, and its robust construction helps mitigate the effects of dirt, debris, and moisture common adversaries in motocross and enduro environments while maintaining consistent performance over extended periods. Whether you're tackling tight trails, aggressive jumps, or relentless endurance rides, this bearing delivers the reliability and durability needed to keep your Yamaha YZ250X running at peak efficiency, ensuring a smoother, more responsive ride with every pedal stroke.

**Pros and Cons of buying a Athena MNB180220218 M-011 Needle Bearing for Yamaha YZ250X (2016 2026)**

### **Pros**

1. **OEM Replacement Quality** Athena is a well-regarded aftermarket brand that produces components designed to match or exceed OEM specifications. The M-011 needle bearing is engineered to fit the Yamaha YZ250X s rear wheel hub precisely, ensuring proper alignment and performance.

2. **Durability and Longevity** Needle bearings are known for their robustness, especially in off-road applications where they endure heavy loads and vibrations. Athena s bearings are often treated with corrosion-resistant coatings and high-quality steel, reducing wear over time.

3. **Easy Installation** The bearing is designed for straightforward replacement, requiring minimal tools and no special expertise. Most riders can install it in under 30 minutes with basic mechanical skills.

4. **Cost-Effective Upgrade** Compared to OEM bearings, Athena s aftermarket option is typically more affordable while maintaining reliability. This makes it a practical choice for riders who want to avoid premature failure without overspending.

5. **Compatibility** The M-011 is explicitly listed for the Yamaha YZ250X (2016 2026), ensuring a direct fit without modification. This eliminates guesswork and potential clearance issues.

6. **Widely Available** Athena parts are stocked by most motorcycle accessory retailers, both online and in physical stores, making it easy to purchase without long wait times.

7. **Maintenance-Friendly** Needle bearings require minimal maintenance beyond periodic lubrication. Athena s design supports this, as it doesn t rely on complex seals or adjustments that could fail over time.

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### **Cons**

1. **Aftermarket Reliability Concerns** While Athena is reputable, some riders report inconsistent quality in cheaper aftermarket bearings. If the bearing is poorly manufactured (e.g., weak steel, improper heat treatment), it may wear out faster than expected, especially under aggressive riding conditions.

2. **Potential for Counterfeit Products** Due to the popularity of Athena parts, counterfeit or low-quality fakes can enter the market. Buyers should purchase from authorized dealers or trusted retailers (e.g., Amazon, RockAuto, or Yamaha-approved suppliers) to avoid subpar replicas.

3. **Limited Warranty** Athena s warranty terms may not be as comprehensive as OEM warranties. Some riders report that aftermarket bearings are sold "as-is," meaning the manufacturer may not cover defects under normal use.

4. **No Performance Advantage Over OEM** Unless the bearing is specifically tuned for performance (e.g., lighter weight, higher load capacity), it won t outperform the original Yamaha part. The M-011 is a direct replacement, not an upgrade.

5. **Installation Risks** If the hub or surrounding components (e.g., axle, seals) are worn or damaged, replacing just the bearing won t solve underlying issues. Riders must inspect the entire wheel assembly during installation to avoid premature failure.

6. **Environmental Factors** Off-road riding exposes bearings to mud, dust, and moisture. While Athena bearings are durable, prolonged exposure to harsh conditions can accelerate wear, especially if lubrication isn t maintained.

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### **Conclusion**

The Athena MNB180220218 M-011 needle bearing is a **solid, cost-effective replacement** for the Yamaha YZ250X s rear wheel bearing, offering OEM-level quality at a lower price. It s an excellent choice for riders who prioritize reliability, ease of installation, and compatibility without seeking performance enhancements. However, buyers should exercise caution to avoid counterfeit products and ensure the bearing is paired with a well-maintained wheel assembly.

For most riders, this bearing will **last the life of the bike** if installed correctly and lubricated periodically. If budget allows, pairing it with a high-quality wheel hub seal (e.g., from YSS or OEM) can further extend its lifespan.

### **Recommendation**

- **Buy from a trusted source** (e.g., RockAuto, Amazon, or a local Yamaha dealer) to avoid counterfeit bearings.

- **Inspect the hub and seals** during installation replace them if worn to prevent future issues.

- **Lubricate the bearing** with a high-temperature grease (e.g., Mobil 1 Synthetic Grease) every 500 1,000 miles or as needed for off-road use.

- **Consider OEM if available** only if you suspect the original bearing failed due to manufacturing defects or if you want the longest possible warranty coverage.

**Final Verdict:** The Athena M-011 is a **reliable and practical choice** for most Yamaha YZ250X owners, balancing cost, quality, and ease of use. For riders who demand absolute longevity or have extreme riding conditions, an OEM bearing or a premium aftermarket alternative (e.g., YSS) may be worth the extra cost.

Details:

Free Ground Shipping. Some items are available silver-plated and ideal for use in conditions of great rotational speed, high temperatures sudden acceleration. Greater resistance to stress compared the original. Fitment: Husqvarna CR250 1998 -2013.

To ensure you're receiving exactly what you want, some orders are sourced from various shipping facilities. OEM: 800017826, 93310-21874- 93310-218A6- B1003.: Athena Needle Bearing For Yamaha YZ250X 2016 -2026: 2016 -2026. Brand: Athena, Part Number: MNB180220218.

Note: Image is for reference only, actual product may vary slightly. Athena needle bearings attach to the dudgeon pin and their high quality enables less frequent maintenance at an excellent price-quality ratio.

part #: mnb180220218 prices

• $26.12-$167.20

specifications bearingmotorcycleiz:

• for models: Yz250x
• for makes: Yamaha
• for years: 2016-2026
• brand: Athena
• mpn: Mnb180220218
• part type: Bearing
• vendor: Lionparts
• ships from: United States

payments bearingmotorcycleiz:

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

general bearingmotorcycleiz:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings
• condition: New

seller bearingmotorcycleiz:

• city: Wilmington,
• rating: 99.8%
• # reviews: 251063

shipping bearingmotorcycleiz:

• transit: 4-8 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• type: Fixed
• class: Standard

returns bearingmotorcycleiz:

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

offer bearingmotorcycleiz:

• options: Ship-to-home
• sold: 0
• quantity: 5
• availability: In Stock
• started: May 11, 2026

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