HONDA 90027-KZ3-860 Power Valve Retainer Bolt Holder Seal Shaft

( Manufacturer Part Number: 90027-KZ3-860 ), ( Part Type: Valve Seal Bolt Holder Shaft ), ( Compatible Make: Honda, Suzuki ), ( Compatible Year: 2001, 2000 )

Review HONDA Oem Power Valve Retainer Bolt Holder Seal Shaft fits CR250R 2000–2001

The **Honda 90027-KZ3-860 Power Valve Retainer Bolt Holder Seal Shaft** is a precision-engineered component designed specifically for the **2000 2001 Honda CR250R**, serving as a critical element within the motorcycle s advanced **Power Valve system**. This meticulously crafted assembly integrates a **retainer bolt, holder, seal, and shaft** into a single, cohesive unit, ensuring seamless operation of the engine s variable valve timing mechanism. The **Power Valve system** in the CR250R enhances performance by dynamically adjusting valve timing under different engine speeds, optimizing power delivery while improving efficiency and responsiveness. The **retainer bolt** secures the assembly in place, preventing unwanted movement or misalignment, while the **holder** provides structural integrity, maintaining proper spacing and alignment of the internal components. The **seal** ensures a leak-free interface, preventing oil contamination and maintaining optimal hydraulic pressure within the system, which is essential for smooth and reliable valve actuation. Meanwhile, the **shaft** itself is machined to exacting tolerances, allowing for precise rotational movement and minimal friction, thereby extending the longevity of the entire assembly. This component is particularly vital for riders seeking to restore or maintain the factory performance of their CR250R, as wear or failure in any of these elements can lead to erratic valve timing, reduced power output, or even catastrophic engine damage. Whether replacing a worn-out part or upgrading an existing setup, this **OEM-quality retainer bolt holder seal shaft** ensures compatibility, durability, and peak performance, making it an indispensable upgrade for enthusiasts and mechanics alike.

Buying the **Honda 90027-KZ3-860 (00-01 CR250R Power Valve Retainer Bolt, Holder, Seal, and Shaft) as a complete kit** offers a convenient way to address common power valve issues on the 2000-2001 Honda CR250R. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Kit**

1. **Complete Solution for Common Failures**

The power valve assembly in the 2000-2001 CR250R is prone to wear, particularly in the retainer bolt, holder, seal, and shaft. These components can leak oil, cause rough idle, or lead to complete failure of the power valve s function. Purchasing this kit ensures all critical parts are replaced at once, preventing future issues from a single weak component.

2. **Cost-Effective Compared to Individual Parts**

Buying each part separately (e.g., from a junkyard or online) can be expensive, especially if you need to source rare or hard-to-find items like the retainer bolt or holder. The kit bundles everything in one package, often at a lower total cost than purchasing individually.

3. **Time-Saving Installation**

Since the kit includes all necessary components, you won t have to hunt for mismatched parts or deal with compatibility issues. This streamlines the repair process, reducing downtime for the bike.

4. **Genuine or High-Quality Replacement Parts**

Depending on the seller, this kit may include **OEM (Honda) parts** or aftermarket equivalents that meet or exceed factory specifications. High-quality seals and shafts ensure reliable performance and longevity.

5. **Preventative Maintenance**

If the power valve is showing early signs of wear (e.g., oil leaks, hesitation, or poor throttle response), replacing the entire assembly proactively can avoid more costly engine damage down the line.

6. **Ease of Availability**

Unlike some Honda parts that become discontinued, this kit is relatively easy to find on platforms like **Amazon, eBay, or specialty motorcycle parts stores**. It avoids the hassle of tracking down individual components.

7. **Potential Warranty Coverage**

If purchasing from a reputable seller (e.g., Honda dealership or authorized parts distributor), the kit may come with a warranty, providing peace of mind against defects.

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### **Cons of Buying This Kit**

1. **Potential for Overkill**

If only one component (e.g., the seal) is failing, replacing the entire assembly may be unnecessary. However, since the power valve is a modular unit, diagnosing the exact failing part can be tricky without disassembly. This could lead to unnecessary expense if the issue is isolated to a single part.

2. **Mixed Quality Concerns**

While some kits are genuine Honda parts, others may be aftermarket knockoffs. Lower-quality seals or shafts could wear out faster than OEM components, requiring another replacement sooner. Always verify the seller s reputation and part authenticity.

3. **Installation Complexity**

Replacing the power valve assembly requires disassembling the carburetor and engine components, which can be challenging for inexperienced mechanics. Mistakes during installation (e.g., improper torque, cross-threading, or seal damage) can lead to leaks or performance issues.

4. **Compatibility Risks**

Ensure the kit is **exactly** for the **2000-2001 CR250R** (some kits may be for other years or models). Mixing parts from different years could cause fitment issues or poor performance.

5. **Cost Relative to Labor**

While the kit itself is affordable, if you re not comfortable doing the work yourself, labor costs at a shop may outweigh the savings of buying a parts separately. A mechanic might charge **$100 $200 ** for installation, depending on location and shop rates.

6. **Risk of Counterfeit Parts**

Buying from untrusted sellers (especially on eBay or Amazon) increases the chance of receiving **fake or low-quality parts**. Always check reviews, seller ratings, and return policies before purchasing.

7. **Limited Longevity of Aftermarket Parts**

Some aftermarket seals or shafts may not last as long as OEM parts, especially under heavy use (e.g., track days or aggressive riding). If durability is a concern, investing in a higher-end kit (e.g., **Honda genuine or reputable brands like **MotoPro** or **RaceWise**) may be worth the extra cost.

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### **Conclusion**

- You suspect **multiple components are failing** (common in older CR250Rs).

- You want a **quick, all-in-one solution** without hunting for parts.

- You re comfortable with **DIY maintenance** or have access to a mechanic.

- The kit is **genuine or from a trusted aftermarket brand**.

However, if you re **certain only one part (e.g., the seal) is bad** and have access to **OEM or high-quality individual replacements**, buying separately might save money. Always **verify the kit s authenticity** and **follow installation guidelines carefully** to avoid future problems.

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### **Recommendation**

- **Proceed with the kit** if you want a complete fix without extra hassle. Choose a **reputable seller** (e.g., **Honda dealership, **MotoPro**, or **RaceWise**) to ensure quality.

- **DIY installation** if you re mechanically inclined, or take it to a shop if unsure.

- **Buy the kit** and replace everything it s often cheaper than diagnosing each component separately.

- **Check for leaks or damage** during installation to confirm if all parts were necessary.

- **Source individual OEM parts** (e.g., from a junkyard or **Honda parts store**) to avoid overpaying for a full kit.

- **Use the correct torque specifications** (typically **10 15 ft-lbs** for the retainer bolt).

- **Replace the power valve gasket** if it s damaged.

- **Break in the engine properly** after installation to ensure seals seat correctly.

**Final Verdict:** For most riders dealing with power valve issues on a **2000-2001 CR250R**, the **90027-KZ3-860 kit is the best all-around solution** it s reliable, cost-effective for the repair, and minimizes future problems. Just ensure you re getting **genuine or high-quality parts** and follow installation best practices.

Details:

Please view them. The best of the items condition is in photos. Thanks, -UCP, This item was removed from a 2001 CR250R bike. Please double check for compatibility before purchasing.

Other compatible model's may apply.

part #: 90027kz3860 prices

• $10.75-$144.95

specifications valvemotorcycleaz:

• for models: Cr250r
• for makes: Honda
• for years: 2000-2001
• mpn: 90027-kz3-860
• part type: Valve Seal Bolt Holder Shaft
• compatible make: Honda, Suzuki
• compatible year: 2001, 2000

seller valvemotorcycleaz:

• city: Chattanooga, Tennessee
• rating: 100.0%
• # reviews: 580

general valvemotorcycleaz:

• condition: Used
• Engines Engine Parts > Valvetrain Components > Engine Valves

shipping valvemotorcycleaz:

• type: Fixed
• transit: 4-8 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• cost: $6.99

payments valvemotorcycleaz:

• other
• credit card: Visa
• wallet: Paypal

returns valvemotorcycleaz:

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

offer valvemotorcycleaz:

• quantity: 1
• best offers: True
• options: Ship-to-home
• started: March 22, 2026
• sold: 0
• availability: In Stock

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