1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13146947440166771
  3. HONDA 14721-MEB-670/14711-MEB-670

HONDA Valve Kit 14721-MEB-670/14711-MEB-670 14721-MEB-680/14711-MEB-670

fits model: Crf450r. make: Honda. year: 2002–2006.

14721-meb-680 Honda 14721-meb-670/14711-meb-670 New Genuine Oem Valve Kit 2002-06 Crf450r 14721-meb-680/14711-meb-670

( Manufacturer Part Number: 14721-MEB-670/14711-MEB-670 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head ), ( Machine Type: Off-road Motorcycle )

Review HONDA 14721-meb-670/14711-meb-670 New Genuine Oem Valve Kit 14721-meb-680/14711-meb-670 fits CRF450R 2002–2006

Honda CRF450R Valve Kit (14721-MEB-670/14711-MEB-670, 2002-2006)

Description:

The Honda CRF450R Valve Kit, specifically model numbers 14721-MEB-670 and 14711-MEB-670, is an essential replacement part for the 2002-2006 CRF450R motorcycles. This valve kit is designed to ensure optimal engine performance and longevity by replacing worn-out or damaged valves and related components.

The kit includes a complete set of intake and exhaust valves, as well as valve guides, valve seats, and retainers. These components are precision-engineered by Honda to fit perfectly into the CRF450R's engine, ensuring a seamless installation process.

The intake valves, which are responsible for allowing air into the engine's cylinders, are designed for efficient combustion. They are made from durable materials, such as sodium-coated steel, to withstand the high temperatures and pressures within the engine. The exhaust valves, on the other hand, control the flow of exhaust gases out of the engine. They are also made from high-quality materials, ensuring optimal exhaust flow and engine efficiency.

The valve guides and seats are crucial components that ensure the valves sit properly in their respective locations within the engine. These components are designed to minimize friction between the valves and engine components, reducing wear and tear and ensuring a smooth engine operation.

The valve retainers, which hold the valves in place, are also included in the kit. These retainers are designed to securely hold the valves in place while allowing them to move freely as needed.

Installing the Honda CRF450R Valve Kit is a relatively straightforward process, but it does require some mechanical knowledge and the appropriate tools. Honda provides an installation manual with detailed instructions and diagrams to guide you through the process.

In conclusion, the Honda CRF450R Valve Kit (14721-MEB-670/14711-MEB-670) is a vital replacement part for the 2002-2006 CRF450R motorcycles. It ensures optimal engine performance and longevity by replacing worn-out or damaged valves and related components. With precision-engineered components and a straightforward installation process, this valve kit is an essential investment for any CRF450R owner.

Buying the Honda CRF450R valve kit (model numbers 14721-MEB-670 and 14711-MEB-670 for years 2002-2006) can be a worthwhile investment for those looking to improve their motorcycle's performance or prevent potential engine issues. Here are some pros and cons to consider before making a decision.

Pros:

1. Improved Engine Performance: A new valve kit can help enhance the CRF450R's engine performance by ensuring the valves function optimally, leading to better power delivery and throttle response.

2. Increased Durability: Worn-out valves can cause engine damage over time. By replacing them with a new kit, you can extend the life of your engine and prevent potential problems.

3. Enhanced Fuel Efficiency: Properly functioning valves can help improve the CRF450R's fuel efficiency by allowing the engine to burn fuel more efficiently, reducing your overall fuel consumption.

4. Better Idling and Temperature Stability: A new valve kit can help improve the CRF450R's idle stability and temperature consistency, making your riding experience more enjoyable and reliable.

Cons:

1. Cost: The cost of a new valve kit can be relatively high, especially when compared to the price of other aftermarket parts.

2. Installation Complexity: Installing a new valve kit on a CRF450R requires a fair amount of mechanical knowledge and experience, which may be a deterrent for some riders.

3. Time Consuming: Installing a new valve kit can be a time-consuming process, taking anywhere from a few hours to a full day, depending on your mechanical skills and experience.

Conclusion:

The decision to purchase the Honda CRF450R valve kit (14721-MEB-670 and 14711-MEB-670) ultimately depends on your personal priorities and budget. If you're an avid rider who values performance and reliability, investing in a new valve kit could be worth the cost and effort. However, if you're on a tight budget or uncomfortable with the installation process, it might be best to consider other aftermarket parts or simply maintain your CRF450R as needed.

Recommendation:

If you do decide to proceed with purchasing the Honda CRF450R valve kit, make sure to follow the installation instructions carefully and consider seeking assistance from a professional mechanic or experienced rider if needed. Additionally, be prepared for the time and cost commitment involved in the installation process. Properly installed, a new valve kit can help improve your CRF450R's performance, durability, and overall riding experience.

Details:

2002 2006 CRF450R. Do not order parts based on the picture shown. SPRING SEAT 4 14775-KGB-610. INTAKE VALVES 2 14711-MEB-670.

EXHAUST VALVES 2 14721-MEB-670. The photo and or part drawing is for display only may not be the actual you are buying. All parts are sold based on the model and Year of Motorcycle or ATV.

part #: 14721-meb-680 prices

  • $90.27-$294.34

specifications cylindermotorcycleiz:

  • for models: Crf450r
  • for makes: Honda
  • for years: 2002-2006
  • mpn: 14721-meb-670/14711-meb-670
  • engine type: 4-stroke
  • type: Cylinder Head
  • machine type: Off-road Motorcycle

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: New

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • class: Standard, Expedited, Economy
  • type: Calculated
  • service: UPS Ground, USPS Priority Mail, UPS Ground Saver
  • cost: $15.24
  • carrier: UPS, USPS
  • transit: 2-6 Days

seller cylindermotorcycleiz:

  • city: Troy, Ohio
  • rating: 100.0%
  • # reviews: 16144

offer cylindermotorcycleiz:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • started: December 9, 2025
  • sold: 0

payments cylindermotorcycleiz:

  • wallet: Apple-pay
  • credit card: Visa
  • other
for models: crf450r, for makes: honda, for years: 2002-2006, engine type: 4-stroke, type: cylinder head, machine type: off-road motorcycle,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 13146947440166771,
Honda 14721-MEB-670 Is Similar To:
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5 offers $90.27–$294.34 USD
  • New. Offer #1 priced at $90.27 + $0.00 shipping estimate = $90.27* total. Our extensive micro fiche data ensures you can always find the correct part for your ride. Our OEM parts are your key to maintaining that high standard.FREE SHIPPING
  • New. Offer #2 priced at $294.34 + $0.00 shipping estimate = $294.34* total. Inner & Outer Intake & Exhaust Springs. Kibblewhite Performance Race Titanium Valve Spring Kit With Intake & Exhaust Valves.FREE SHIPPING
  • New. Offer #3 priced at $106.99 + $0.00 shipping estimate = $106.99* total. Kibblewhite's superior one-piece valve design. Step up your Honda CRF450R with a complete set of high performance valves and seals from the pros at Kibblewhite! Complete set of 4 Kibblewhite Black Diamond stainless steel valves.FREE SHIPPING
  • New. Offer #4 priced at $74.69 + $0.00 shipping estimate = $74.69* total. FREE SHIPPING
  • New. Offer #5 priced at $42.00 + $0.00 shipping estimate = $42.00* total. Width: 35.9 mm - 1.4 in. Intake and Exhaust Valve.FREE SHIPPING

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