fits model: Cr125r. make: Honda. year: 1990–1991.

( Brand: Wiseco ), ( Manufacturer Part Number: MN/47QP ), ( Type: Piston Kits ), ( Compatible Year: 1991 1990 ), ( Bundle Description: 1 Pc Genuine Wiseco Piston Kits ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
The WiseCo MN/47QP piston kit is a high-performance upgrade for the 1990 and 1991 Honda CR125R two-stroke motorcycle engine. This piston kit is specifically designed to provide enhanced power, reliability, and durability for off-road racing and high-performance riding.
The pistons in this kit are made from a forged aluminum alloy, ensuring superior strength and consistency. The top ring groove is designed with a 1mm offset for improved sealing, and the piston skirts are honed to a mirror finish for optimal engine clearance and smooth operation.
The piston kit also includes a set of rings, including a compression ring, oil control ring, and two transfer rings. The rings are made from high-quality materials and are designed to provide a tight seal and reduce engine blowby. The compression ring is designed to maximize combustion efficiency and power output, while the oil control ring helps to minimize oil consumption.
The piston kit is also compatible with a wide range of aftermarket cylinder heads and porting options, making it a versatile choice for racers and performance enthusiasts. The pistons are precision machined to ensure perfect fitment and compatibility with the stock Honda CR125R engine.
Installation of the piston kit is relatively straightforward and can be completed with common hand tools. The kit includes detailed instructions and all necessary hardware for installation. However, it is recommended that the installation be performed by a qualified mechanic to ensure proper fitment and engine performance.
Overall, the WiseCo MN/47QP piston kit is an excellent choice for riders who are looking to extract maximum power and performance from their 1990 or 1991 Honda CR125R motorcycle. With its high-quality materials, precise machining, and compatibility with a wide range of aftermarket parts, this piston kit is sure to provide reliable and consistent performance on the track or the trail.
The Wiseco MN/47QP piston kit is a popular aftermarket upgrade for the 1990-1991 Honda CR125R engines. This piston kit offers several advantages, but like any aftermarket part, it comes with its pros and cons. In this analysis, we will discuss both the advantages and disadvantages of this piston kit to help you make an informed decision.
Advantages:1. Enhanced Performance: The Wiseco MN/47QP piston kit is designed to provide improved performance by reducing weight and increasing strength compared to stock pistons. This results in increased power output and better engine response.
2. Durability: Wiseco pistons are known for their high-quality materials and manufacturing processes, which result in increased durability and longer engine life.
3. Customization: The Wiseco MN/47QP piston kit offers various options for skirt coatings, such as Nitride or Tungsten Carbide Nitride (TCN), allowing riders to customize their pistons for different riding conditions and engine setups.
4. Improved Ring Sealing: The Wiseco pistons feature improved ring grooves and ring lands, ensuring better ring sealing and reduced blowby, which can lead to improved engine efficiency and power.
Disadvantages:1. Cost: Aftermarket piston kits like the Wiseco MN/47QP can be more expensive than stock pistons, which may deter some riders.
2. Installation Complexity: Installing aftermarket pistons can be a more complex process compared to stock pistons due to the need for specific tools and expertise. It is recommended to have the pistons installed by a professional to ensure proper installation and avoid any potential damage to the engine.
3. Potential Clearance Issues: Depending on the specific engine setup, there may be clearance issues between the piston skirt and the engine bore. This can result in piston slap or other engine issues. It is important to ensure that the piston kit is compatible with your engine or consult with a professional before installation.
Conclusion:The Wiseco MN/47QP piston kit offers several advantages, including enhanced performance, improved durability, customization options, and better ring sealing. However, it also comes with some disadvantages, such as cost, installation complexity, and potential clearance issues. Ultimately, the decision to purchase this piston kit depends on your budget, riding style, and engine setup. If you're looking for improved performance and durability and are willing to invest in the installation and potential costs, the Wiseco MN/47QP piston kit could be an excellent upgrade for your 1990-1991 Honda CR125R engine.
Recommendation:If you're considering purchasing the Wiseco MN/47QP piston kit for your 1990-1991 Honda CR125R engine, make sure to do thorough research on the specific piston kit and its compatibility with your engine. Consult with a professional mechanic or piston specialist to ensure proper installation and avoid any potential issues. Additionally, consider the cost and potential benefits of the piston kit in relation to your riding style and engine setup before making a final decision.
Wiseco Piston Kit for 1990 - 1991 Honda CR125R - Engine Pistons Kits ep: Status: In Stock.