1. Pistons, Rings & Piston Kits Products
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  3. WISECO 551P8

WISECO 551P8 Piston 66.50MM

fits model: Cr250. make: Honda. year: 1986–1989.

551p8 Wiseco 1986-1989 Honda Cr250 Motocross Piston 66.50mm

( Brand: Wiseco ), ( Manufacturer Part Number: 551P8 ), ( Type: Piston Kit ), ( Machine Type: Off-road Motorcycle ), ( Country/region Of Manufacture: United States )

Review WISECO Honda Motocross Piston 66.50mm fits CR250 1986–1989

Introducing the WiseCO 551P8 piston, an excellent upgrade solution for the 1986-1989 Honda CR250 motorcycle. Designed to deliver optimal performance and reliability, this piston is specifically engineered to replace the stock piston in your CR250 engine.

Measuring 66.50mm in diameter, this WiseCO piston is meticulously crafted using high-quality aluminum alloy. Its advanced design includes a domed top ring land, which enhances ring sealing and reduces blow-by, ensuring a more efficient combustion process. The piston's skirt features a precision Honing finish that minimizes friction and wear, contributing to a smoother engine operation and improved power output.

Additionally, the piston's wrist pin bore is manufactured to tight tolerances to ensure proper fitment and minimize engine vibration. This results in a more balanced engine performance and longer piston life. The piston rings are also included with the purchase, ensuring a complete and convenient upgrade solution for your CR250 engine.

Installation of the WiseCO 551P8 piston is a straightforward process, making it an ideal choice for both professional mechanics and DIY enthusiasts. By upgrading to this high-performance piston, you can expect improved power, increased engine efficiency, and a more responsive ride from your Honda CR250.

In summary, the WiseCO 551P8 piston is a top-quality upgrade option for the 1986-1989 Honda CR250 motorcycle. Its advanced design, precise manufacturing, and easy installation make it an excellent choice for riders seeking to enhance their bike's performance and reliability. Upgrade your CR250 engine today with the WiseCO 551P8 piston and experience the difference in power and efficiency.

Wiseco 551P8 1986-1989 Honda CR250 Piston: A Detailed Analysis

1. Improved Performance:

- The Wiseco 551P8 piston is specifically designed for high-performance applications, providing increased horsepower and torque.

- Enhanced combustion efficiency leads to improved engine response and throttle sensitivity.

2. Superior Material:

- This piston is made from forged 2618 alloy, ensuring high strength and durability.

- The material's superior properties contribute to better heat dissipation and reduced engine wear.

3. Precision Machining:

- The piston undergoes precise machining processes to ensure a perfect fit and optimal engine performance.

- The skirts are designed to minimize friction with the cylinder wall.

4. Low Weight:

- The Wiseco 551P8 piston is lighter than OEM pistons, reducing rotating mass and improving engine response.

- This weight reduction can lead to better fuel economy and increased RPM capabilities.

5. Enhanced Ring Performance:

- The piston comes with top-quality ring sets, reducing the need for costly ring replacements.

- The rings provide improved sealing and reduced blow-by, contributing to better engine efficiency.

6. Customizability:

- Wiseco offers a variety of piston designs and sizes to cater to different riding styles and engine modifications.

- Customers can choose pistons based on their specific performance goals.

7. Cost-Effective:

- Although initially more expensive than OEM pistons, the Wiseco 551P8 piston's durability and performance benefits can save money in the long run.

- Reduced maintenance costs due to improved ring performance and longer piston life.

8. Potential Compatibility Issues:

- Some customers have reported compatibility issues with certain aftermarket parts and engine modifications.

- Always ensure that the piston is compatible with your specific engine configuration.

9. Installation Complexity:

- Installing a high-performance piston like the Wiseco 551P8 can be a complex process best left to professionals.

- The installation process may require additional engine modifications and tuning.

10. Limited Warranty:

- Wiseco offers a limited warranty on their pistons, but the terms may not cover all potential issues.

- Be aware that any damages caused by improper installation or mishandling may not be covered under warranty.

Conclusion:

The Wiseco 551P8 piston offers numerous benefits for Honda CR250 owners looking to enhance their engine performance. With its high-strength material, precise machining, and improved ring performance, this piston can deliver increased horsepower, torque, and overall engine efficiency. However, it may not be suitable for all engine configurations and requires professional installation. Weighing the pros and cons, the potential benefits outweigh the drawbacks for those who prioritize performance and durability in their motorcycle.

Recommendation:

If you are a serious off-road enthusiast or racer, the Wiseco 551P8 piston is a worthwhile investment for your Honda CR250. Its superior performance characteristics and long-lasting durability make it an excellent choice for those seeking to maximize their motorcycle's potential. However, ensure that you have the necessary resources for professional installation and engine tuning to fully reap the benefits of this high-performance piston.

Details:

Forged from high-silicon alloy for maximum strength and dependability Wiseco offers a complete range of popular piston model's years both trail racing applications All Pro Lite pistons are priced with ring. This kit has the piston, piston rings, No wrist pin, and pin clips. 1986 1989 Honda CR125 Motocrosses. This is a P8, or 2mm Oversize bore size Wiseco 551P8 Piston Kit.

part #: 551p8 prices

  • $152.78-$199.99

specifications pistondon:

  • for models: Cr250
  • for makes: Honda
  • for years: 1986-1989
  • brand: Wiseco
  • mpn: 551p8
  • type: Piston Kit
  • machine type: Off-road Motorcycle
  • country/region of manufacture: United States

returns pistondon:

  • policy: No Returns

shipping pistondon:

  • cost: $12.00
  • class: Freight
  • service: Flat Rate Freight
  • type: Fixed

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

offer pistondon:

  • started: February 22, 2025
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • quantity: 1

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  • # reviews: 56
  • rating: 98.3%
  • city: Bettendorf, Iowa
for models: cr250, for makes: honda, for years: 1986-1989, type: piston kit, machine type: off-road motorcycle, country/region of manufacture: united states,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 4593927349389783,

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