YAMAHA 2S2-15421-00-00 Front Sprocket Guard Cover Saver

( Manufacturer Part Number: 2S2-15421-00-00 ), ( Part Type: Guard Cover Sprocket Case ), ( Compatible Model: Yz450f, Wr450f ), ( Vintage Part: No ), ( Placement On Vehicle: Left )

Review YAMAHA Oem Front Sprocket Guard Cover Case Saver fits YZ450F YZ450 2006

The **Yamaha 2S2-15421-00-00 Front Sprocket Guard Cover Saver** is a meticulously engineered aftermarket component designed specifically for the **2006 Yamaha YZ450F**, ensuring optimal protection for the front sprocket assembly while enhancing durability and performance. Crafted from high-quality, heat-resistant materials, this guard cover saver is built to withstand the rigors of off-road riding, shielding the sprocket from abrasive debris, rocks, and other impactful elements that could otherwise cause premature wear or catastrophic failure. The precision-fit design eliminates unnecessary slack in the chain, reducing chain stretch and improving overall drivetrain efficiency, which translates to smoother power delivery and extended component lifespan. Unlike generic or poorly fitted alternatives, this Yamaha-approved part is engineered to seamlessly integrate with the stock sprocket guard, maintaining the factory aesthetic while reinforcing structural integrity. Whether tackling technical trails, aggressive jumps, or prolonged endurance rides, this guard cover saver acts as a silent yet indispensable guardian, preserving the reliability of your YZ450F s drivetrain and minimizing maintenance downtime. Ideal for riders who demand both performance and longevity, this component is a straightforward yet impactful upgrade that ensures your bike remains in peak condition for countless miles of exhilarating off-road adventures.

### **Pros and Cons of buying a Yamaha YZ450F Front Sprocket Guard Cover (Part #2S2-15421-00-00, 2006 Model)**

1. **Protection for Critical Components** The sprocket guard cover shields the front sprocket and chain from debris, dirt, and small rocks, reducing wear and tear on these essential parts. This helps prevent premature failure, which can be costly to replace.

2. **Extends Chain and Sprocket Lifespan** A well-maintained chain and sprocket last longer when protected from abrasive elements. This part specifically reduces friction and contamination, which can lead to smoother operation and fewer breakdowns.

3. **Prevents Chain Stretch and Misalignment** Dirt and grit can accelerate chain stretch and cause misalignment, leading to poor shifting and potential derailleur damage. The guard helps keep the chain cleaner, maintaining proper tension and alignment.

4. **Easy Installation** This part is designed as a direct replacement for the stock cover on the 2006 YZ450F. It should fit without modification, making it a straightforward upgrade for DIY mechanics.

5. **Cost-Effective Maintenance** Compared to the cost of replacing a worn-out sprocket or chain, this guard is a relatively inexpensive preventive measure that pays for itself over time.

6. **Improves Reliability** By reducing the risk of chain breakage or sprocket damage mid-ride, this part enhances the bike s reliability, especially in off-road conditions where debris is common.

7. **OEM Quality** As an original Yamaha part, it is built to the same standards as the stock component, ensuring durability and compatibility.

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1. **Minimal Performance Impact** While it provides protection, this part does not significantly improve power, handling, or speed. It is purely a maintenance accessory.

2. **Potential for Wear Over Time** Like any plastic or rubber component, the guard may degrade from UV exposure, heat, or physical stress, requiring eventual replacement.

3. **Not a Complete Solution** While it helps, the guard does not eliminate the need for regular chain lubrication, sprocket inspection, and general maintenance. Riders must still follow proper upkeep routines.

4. **Limited Availability** As the YZ450F is an older model, finding this exact part may require checking specialty motocross parts suppliers or used inventory, which could be less convenient than newer bikes.

5. **Possible Misalignment Issues** If installed incorrectly, the guard could interfere with chain movement or cause misalignment, potentially leading to shifting problems.

6. **Cost Relative to Other Upgrades** For riders focused on performance upgrades, spending money on a sprocket guard may seem less impactful than suspension, engine, or exhaust modifications.

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The **Yamaha YZ450F Front Sprocket Guard Cover (2S2-15421-00-00)** is a **practical and cost-effective preventive maintenance part** for riders who prioritize longevity and reliability over performance gains. Its primary benefit lies in **protecting the chain and sprocket from debris**, which can save money in the long run by avoiding costly replacements. For off-road riders who frequently ride in dirty or rocky conditions, this part is **highly recommended** as a simple yet effective way to extend the life of critical drivetrain components.

However, if you are already maintaining your bike properly with regular cleaning and lubrication, the guard may offer **marginal additional benefits**. In that case, the decision to purchase it depends on whether you want an extra layer of protection or if you re comfortable with the current level of maintenance.

- You ride frequently in dusty, rocky, or debris-heavy conditions.

- You want to reduce long-term wear on your chain and sprocket.

- You prefer OEM-quality parts for reliability.

- You are looking for an easy, low-cost way to improve maintenance efficiency.

- You already have a robust maintenance routine and keep your chain/sprocket in excellent condition.

- You prioritize performance upgrades over preventive maintenance.

- You cannot find the part easily or are unwilling to pay for an older model component.

**Final Verdict:** For most serious riders, the **YZ450F sprocket guard cover is a worthwhile investment** it s a small part with a big impact on drivetrain longevity. If you re already replacing the chain and sprockets regularly, the guard will help stretch out those intervals. If you re on a tight budget but want to protect your investment, it s a smart choice.

Details:

Feel free to message me with any questions or for more photos. May need cleaning or minor touch-ups depending on your standards. Mounting points are solid, and it was working properly before removal with no issues. Up for sale is an OEM front sprocket guard case saver removed from a 2006 Yamaha YZ450F.

Check the photos carefully what you see is exactly you'll receive.

part #: 2s2154210000 prices

• $14.95-$19.95

specifications cyclevintagee:

• for models: Yz450f, Yz450
• for makes: Yamaha
• for years: 2006
• mpn: 2s2-15421-00-00
• part type: Guard Cover Sprocket Case
• compatible model: Yz450f, Wr450f
• vintage part: No
• placement on vehicle: Left

offer cyclevintagee:

• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1
• options: Ship-to-home
• started: March 5, 2026

seller cyclevintagee:

• city: Battle Ground, Washington
• # reviews: 616
• rating: 99.5%

shipping cyclevintagee:

• class: Standard
• transit: 4-7 Days
• type: Calculated
• cost: $0.00
• service: USPS Ground Advantage
• carrier: USPS

payments cyclevintagee:

• other
• credit card: Discover
• wallet: Apple-pay

general cyclevintagee:

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

returns cyclevintagee:

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

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