fits model: Xr400r. make: Honda. year: 1996–2004.

( Brand: Wiseco Piston ), ( Manufacturer Part Number: 4628M08500 ), ( Warranty Details: See Manufacturer )
The Wiseco 4628M08500 piston is a high-performance aftermarket piston engineered specifically for the Honda XR400R motorcycles manufactured between 1996 and 2004. This piston benefits from Wiseco's extensive experience and engine expertise, providing enhanced power gains and unmatched reliability.
Design and construction:The 4628M08500 piston boasts a compact design and is machined from a forged 2618-T6 alloy for exceptional strength and durability. It features a rings grooves reinforced by a reinforcing ring, which ensures better ring sealing and improved engine efficiency. The top land area is optimized for a perfect fit in the Honda XR400R cylinder bore, while the ballisti-ring skirt provides improved ring support and eliminates the need for added piston weights.
Power enhancing features:The Wiseco 4628M08500 piston is designed to enhance power in the Honda XR400R engine. The piston's compression height and piston-to-stoker ratio have been optimized for better combustion efficiency. Its lightweight design reduces rotating mass, thus improving the engine's overall response and performance.
Engine compatibility:This Wiseco piston is engineered for use in the Honda XR400R motorcycles with the OEM engine type CR252. It is a direct replacement for the stock piston, and installation involves just removing the old part and replacing it with the new Wiseco 85mm piston.
Performance advantages:The Wiseco 4628M08500 piston is engineered to provide impressive performance upgrades for the Honda XR400R, including increased horsepower and torque. Additionally, it helps to remove the stock piston restrictions, allowing the engine to breathe more efficiently and produce more power. The piston's durability makes it suitable for demanding applications, ensuring consistent performance under various riding conditions.
Conclusion:The Wiseco 4628M08500 piston is an excellent upgrade for Honda XR400R riders seeking increased power and improved engine efficiency. Its high-quality construction, coupled with superior design features and compatibility with OEM components, makes it an outstanding choice for riders who demand top performance and reliability from their motorcycles. By installing this aftermarket piston, riders can expect a significant improvement in their riding experience, including increased horsepower and torque, smoother engine response, and enhanced fuel efficiency.
The Wiseco Piston 4628M08500, specifically designed for the Honda XR400R model years 1996 to 2004, is a popular aftermarket piston upgrade option for motorcyclists seeking improved performance. Before making a purchasing decision, it's essential to weigh the potential advantages and disadvantages.
Pros:1. Increased Power: The primary reason for choosing a performance piston like Wiseco's is the improved power output. This piston is forged from high-quality aluminum alloy and anodized for added durability. The specialized design allows the engine to run more efficiently, creating a simple yet effective power boost.
2. Enhanced Reliability: With Wiseco's reputation for manufacturing high-quality pistons, the 4628M08500 is expected to offer better reliability over the OEM part. The forged material and precise machining contribute to a stronger and longer-lasting piston.
3. Better Heat Management: This piston offers enhanced cooling properties, thanks to the radiused skirt design and sufficient clearances. Improved heat management leads to reduced engine temperatures, better performance, and a more enjoyable riding experience.
4. Customizability: Wiseco offers pistons tailored to various fuel types (such as gasoline, methanol, or diesel) allowing motorcyclists to fine-tune their engine's performance according to their preferences.
Cons:1. Cost: Upgrading to a high-performance piston like the Wiseco 4628M08500 usually comes with a higher price tag than the stock OEM piston. The decision to invest in this upgrade depends on individual priorities and budget.
2. Installation Complexity: Installing a performance piston such as this one can be more challenging than swapping out a stock OEM piston. The process might require professional help, which would incur additional costs.
3. Potential Clearance Issues: It's essential to ensure adequate clearances between the new Wiseco piston and the crankshaft, ring lands, and piston pin bore to avoid potential engine damage during operation. Precise measurements and careful installation are critical to avoid clearance issues.
Conclusion:The Wiseco Piston 4628M08500 offers several advantages, including boosted power, improved reliability, better heat management, and the ability to customize for different fuel types. At the same time, drawbacks include the relatively high cost, added installation complexity, and potential clearance issues.
Recommendation:For motorcyclists who prioritize power, improved reliability, and enhanced cooling, the Wiseco Piston 4628M08500 could be an excellent upgrade choice. However, it's essential to carefully consider the costs, evaluate installation capabilities, and thoroughly prepare the engine for the installation process. Always ensure to work with an experienced mechanic for a smooth and safe installation.
Lastly, ensure that the new piston comes with the required gaskets and seals and consider purchasing them in sets or with the piston to ensure compatibility and convenience.
Reduced friction/scuff resistant. Maximum compression and oil control. Improved flame travel. Smooth edges for improved combustion flow.
Maximum ring seal. Horizontal slot pin oiling. Race-Ready dome finish. Chrome plated Piston pin.
All Wiseco Piston kits include 1 Piston, ring set, wrist pin and 2 cir clips. Pressure seal groove. NOTE: Image is for reference only, actual product may vary slightly depending on your specific application. Light weight and superior strength.
Skirt coated Armor Glide.