WISECO ORWI-CO418709-ON Pro Lite Piston Bike 54MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO418709-ON ), ( Part Type: Piston )

Review WISECO Honda Dirt Bike Pro lite Piston 54mm fits CR125R 1990–1991

The Wiseco ORW-Co418709-ON Pro-Lite Piston is a high-performance upgrade for the 1990-1991 Honda CR125R bike. This piston, manufactured by Wiseco, a leading aftermarket performance parts manufacturer, is specifically designed to enhance the power and durability of your CR125R engine.

The Pro-Lite piston features a 54mm bore size, which is larger than the stock piston, allowing for increased combustion chamber volume and improved engine breathing. This results in more efficient combustion and an increase in power output. With a weight of approximately 122 grams, it offers a good balance between weight and strength.

The piston's crown is designed with a domed shape, which provides a better seal with the engine's cylinder liner and improves the engine's ability to withstand the high pressures generated during combustion. The piston skirt is also designed with a full-length oil cooler groove, which allows for increased oil flow and cooling, helping to prevent piston ring wear and engine damage.

The piston's ring package includes a compression ring, a oil control ring, and a top ring. These rings are made of high-quality materials, ensuring a good seal and efficient combustion. The piston also features a wrist pin with a large diameter and a nitrided coating, which provides increased strength and durability.

The Pro-Lite piston is made from forged aluminum, which offers superior strength and rigidity compared to cast pistons. It also features a precision-machined surface finish, which ensures a perfect fit in the cylinder and enhances the engine's overall performance.

In summary, the Wiseco ORW-Co418709-ON Pro-Lite Piston is a high-performance upgrade for the 1990-1991 Honda CR125R bike. With its larger bore size, improved sealing, and increased strength, this piston offers increased power output, improved engine cooling, and enhanced durability. It is a must-have for any serious off-road racer looking to gain a competitive edge.

The Wiseco WI-CO418709-ON Pro-Lite piston is a popular aftermarket upgrade for the 1990-1991 Honda CR125R bike. Here are some pros and cons of buying this piston:

1. Enhanced Performance: The Wiseco Pro-Lite piston is designed to provide improved power and torque, making it an excellent choice for racers or riders who want to get the most out of their CR125R.

2. Durability: This piston is made from high-quality materials, including a forged aluminum design and a ring package that is engineered to last longer than OEM pistons.

3. Reduced Weight: The Pro-Lite piston is lighter than the stock piston, which can help improve engine response and overall performance.

4. Customizable: Wiseco offers various piston sizes and designs to suit different riding styles and conditions.

1. Cost: The Wiseco Pro-Lite piston is more expensive than the stock piston.

2. Installation: Installing the Wiseco piston may require some mechanical skills or professional assistance.

3. Compatibility: Ensure that the piston is compatible with your specific CR125R model and year before purchasing.

The Wiseco Pro-Lite piston is an excellent upgrade for the 1990-1991 Honda CR125R bike. It offers improved performance, durability, and customization options. However, it comes with a higher cost and may require some mechanical expertise to install. Ultimately, if you're looking to get the most out of your CR125R and are willing to invest in a high-quality aftermarket piston, the Wiseco Pro-Lite is a great choice.

If you're in the market for a high-performance piston for your 1990-1991 Honda CR125R and are willing to invest in a quality aftermarket part, the Wiseco Pro-Lite piston is an excellent choice. Just be sure to double-check compatibility and consider seeking professional assistance with installation if necessary.

Details:

Only Wiseco replacement ring sets can be used on pistons. All Wiseco 2 cycle pistons are supplied with rings and cir clips. This is helpful if you are buying multiple items. All Wiseco 4 cycle pistons come complete with rings, wrist pins and cir clips.

1990 1991 Honda CR125R Dirt Bike Wiseco Pro-Lite Piston 54mm: Compatibility: CR125R, Notes: Nasal Bore - Cylinder sleeking or replanting required for oversized, Size: 54mm. Parts without fitment are to be assumed universal and may require vehicle modification. Credit or Debit Card. I need to exchange an item.

Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the .

part #: orwico418709 prices

• $129.99-$138.99

specifications pistondon:

• for models: Cr125r
• for makes: Honda
• for years: 1990-1991
• brand: Wiseco
• mpn: Orwi-co418709-on
• part type: Piston

seller pistondon:

• city: Indiana, US
• # reviews: 64699
• rating: 99.5%

general pistondon:

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

returns pistondon:

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

payments pistondon:

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

shipping pistondon:

• class: Standard
• cost: $0.00
• transit: 2-6 Days
• service: Standard
• type: Fixed

offer pistondon:

• availability: In Stock
• started: August 20, 2025
• sold: 0
• quantity: 2
• options: Ship-to-home

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