KAWASAKI 51081-5198-6W Cylinder Exhaust Power Valve Cover

( Manufacturer Part Number: 51081-5198-6W ), ( Part Type: Valve Cover Cylinder Exhaust ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review KAWASAKI Cylinder Exhaust Power Valve Cover fits KX80 KX85 KX100 1998–2013

The **Kawasaki 51081-5198-6W** is a meticulously engineered **OEM-quality exhaust power valve cover** designed exclusively for Kawasaki s **KX80, KX85, and KX100** dirt bikes produced between **1998 and 2013**. Crafted from high-grade **cast aluminum**, this valve cover is built to exacting specifications, ensuring a seamless fit and optimal performance for these iconic off-road machines. The cover features a **precision-machined surface**, providing a smooth, aerodynamic finish that not only enhances the bike s visual appeal but also contributes to improved airflow and thermal regulation within the engine bay. Its **threaded mounting holes** are strategically positioned to align perfectly with the stock engine, guaranteeing a secure and leak-free installation that maintains factory integrity. Whether you're restoring a classic KX model or upgrading an older bike for reliability, this valve cover delivers the durability and precision expected from Kawasaki s original components. Built to withstand the rigors of motocross, trail riding, and daily use, it ensures long-term functionality while preserving the bike s original performance characteristics. For riders who demand authenticity and performance, the **51081-5198-6W** is the ideal replacement part combining Kawasaki s legendary craftsmanship with the reliability of genuine OEM engineering.

### **Pros and Cons of buying a Kawasaki 51081-5198-6W (KX80/KX85/KX100 Cylinder Exhaust Power Valve Cover 1998-2013)**

1. **OEM Quality and Fit** This part is an official Kawasaki replacement, ensuring a precise fit with no modifications needed. It is manufactured to the same standards as the original equipment, reducing the risk of compatibility issues.

2. **Reliability and Durability** Kawasaki parts are known for their robustness, especially in off-road applications. The valve cover is designed to withstand the stresses of motocross and trail riding, reducing the likelihood of premature wear or failure.

3. **Easy Installation** Since it is a direct replacement, installation is straightforward for most mechanics or experienced riders. No additional tools or modifications are typically required beyond basic motorcycle maintenance skills.

4. **Compatibility with Multiple Models** This part fits the **KX80, KX85, and KX100** models from **1998 to 2013**, making it a versatile purchase for collectors, restorers, or riders upgrading older bikes.

5. **Prevents Leaks and Contamination** A faulty or damaged valve cover can lead to oil leaks or debris entering the engine, causing long-term damage. Replacing it ensures proper sealing and engine protection.

6. **Maintenance-Friendly** Kawasaki s design allows for easy access to the valve cover, simplifying routine maintenance tasks like oil changes or valve adjustments.

7. **Resale Value Preservation** Using genuine parts helps maintain the bike s original condition, which can be beneficial if you plan to sell or trade the motorcycle in the future.

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1. **Higher Cost Compared to Aftermarket Alternatives** Genuine Kawasaki parts are typically more expensive than third-party options. While aftermarket parts may offer similar performance, they might not always match the exact fit or longevity of an OEM component.

2. **Limited Availability and Lead Times** Depending on the region, Kawasaki parts may not always be in stock at local dealers. Online ordering might be necessary, which could result in shipping delays.

3. **Overkill for Minor Repairs** If the valve cover is only slightly damaged (e.g., minor cracks or cosmetic wear), some riders might opt for a cheaper aftermarket part or even a DIY repair instead of replacing it entirely.

4. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers (especially online marketplaces) risks receiving counterfeit or substandard parts. Always buy from reputable dealers or Kawasaki-approved vendors to avoid this issue.

5. **No Performance Upgrades** Unlike aftermarket parts, this valve cover does not offer performance enhancements. It is purely a functional replacement, so riders looking for modifications (e.g., improved airflow) should explore other options.

6. **Weight Consideration** While not significant, the valve cover is a metal component, and replacing it with a lighter aftermarket alternative (if available) could slightly reduce overall bike weight.

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### **Conclusion**

The **Kawasaki 51081-5198-6W valve cover** is a **high-quality, reliable, and necessary replacement part** for the specified KX models. Its **OEM status guarantees compatibility, durability, and ease of installation**, making it the best choice for riders who prioritize **long-term reliability and authenticity**. However, the **higher cost and potential availability issues** may deter budget-conscious buyers or those who prefer aftermarket solutions for minor repairs.

For most serious riders, restorers, or those maintaining their bike s original integrity, this part is **highly recommended**. If cost is a major concern, a **vetted aftermarket alternative** (from a trusted brand like **Yamaha, Honda, or a reputable third-party supplier**) could be considered though with the caveat of verifying fit and quality.

- You value **OEM quality and longevity**.

- You are restoring or maintaining the bike s original condition.

- You want **peace of mind** with a proven, reliable component.

- You have the budget for a genuine replacement.

- You are on a tight budget and the damage is minor.

- You have verified that a **high-quality aftermarket part** (e.g., from **Kawasaki s own aftermarket line or a trusted brand**) fits perfectly.

- You are not concerned with resale value or long-term reliability.

**Final Verdict:** For most riders, the **Kawasaki 51081-5198-6W valve cover is the best choice** due to its **reliability, fit, and durability**, outweighing the higher cost for those who prioritize quality. Always purchase from an **authorized dealer or reputable online retailer** to ensure authenticity.

Details:

Good usable condition, condition.

part #: 5108151986w prices

• $14.50-$55.00

specifications cyclevintagee:

• for models: Kx80, Kx85, Kx100
• for makes: Kawasaki
• for years: 1998-2013
• mpn: 51081-5198-6w
• part type: Valve Cover Cylinder Exhaust
• vintage part: Yes
• country of origin: Japan

seller cyclevintagee:

• rating: 99.9%
• # reviews: 6815
• city: Florence, Kentucky

payments cyclevintagee:

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

returns cyclevintagee:

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

general cyclevintagee:

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

shipping cyclevintagee:

• service: Economy
• transit: 4-8 Days
• cost: $0.75
• class: Economy
• type: Fixed

offer cyclevintagee:

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

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