fits model: Xr50, Crf50f. make: Honda. year: 1988–2011.

( Brand: Wiseco ), ( Manufacturer Part Number: 4798MO3900 ), ( Engine Type: 4-stroke ), ( Type: Piston Kit ), ( Piston Diameter: 39mm ), ( Country/region Of Manufacture: United States )
The WISCO 4798MO3900 piston kit is specifically designed for Honda CRF50F motorcycles manufactured between 1988 and 2003 with a XR50 engine and a bore size of 39mm. This piston kit is an excellent upgrade for riders who are looking to enhance the performance of their CRF50F by replacing the factory piston with a higher quality aftermarket option.
The piston is made from forged aluminum alloy material, ensuring superior strength and durability compared to cast pistons. Forged pistons also provide better heat dissipation and more accurate honing, resulting in better engine performance and increased power output.
The piston top ring grooves are designed with excellent ring land width and width relief, ensuring proper ring placement and reducing the risk of ring failure. The piston also features a low-tension piston pin design, making it easier to install and remove, and reducing the risk of damage to the crankshaft.
The piston kit comes with a piston, ring set, and piston pin. The ring set includes a compression ring, a oil control ring, and two piston ring grooves. The piston being designed for 39mm bore size of CRF50F Japan made engines.
This piston kit from WISCO is an excellent choice for riders looking to improve the performance of their CRF50F. It is made from high-quality materials, is easy to install, and is specifically designed for the 1988-2003 XR50 Honda CRF50F models. By upgrading with this kit, riders can expect improved engine performance, increased power output, and better reliability.
1. Improved Performance: The Wiseco piston kit (4798MO3900) is designed to increase the compression ratio from 33.8:1 to 39:1. This results in improved engine performance, allowing your CRF50F to generate more horsepower and torque.
Pro: Enhanced engine power and responsiveness for a more enjoyable riding experience.
2. Durability: Wiseco pistons are renowned for their durability and strength. Their forged design ensures that they can withstand the rigors of off-road use better than stock pistons, potentially reducing the need for frequent replacements.
Pro: Reduced maintenance and replacement costs in the long run.
3. Matching Performance Parts: This Wiseco piston kit comes as part of a performance package, which includes a matching Wiseco ring set, creating a better seal between the piston and cylinder.
Pro: Improved sealing and better engine efficiency for smoother operation and fewer leaks.
4. Enhanced Longevity: With improved engine performance and durability, the Wiseco piston kit will help increase the overall longevity of your CRF50F.
Pro: Lower overall cost of ownership due to fewer repairs and maintenance.
1. Higher Initial Cost: Wiseco pistons are generally more expensive than stock pistons. The cost of this particular piston kit may be a deterrent for some riders.
Con: Significantly higher upfront cost compared to stock pistons.
2. Potential Requirement for Additional Modifications: To maximize the benefits of the new piston, you might need to make additional modifications like a carburetor rejetting and air filter modification.
Con: Increased cost for additional modifications and the learning curve to make these mods correctly.
3. Niche Market: Due to the niche market for CRF50F aftermarket performance parts, this Wiseco piston kit may be harder to find compared to stock pistons or more common aftermarket options.
Con: Limited availability and potential for longer shipping times.
Conclusion:The Wiseco 4798MO3900 piston kit provides numerous benefits for Honda CRF50F owners, including improved engine performance, increased longevity, and enhanced durability. However, it also comes with higher upfront costs and the need for additional modifications. Ultimately, if you are looking for a significant performance upgrade for your Honda CRF50F, the investment in Wiseco's high-quality aftermarket piston kit is a worthwhile consideration.
Recommendation:If you're an avid CRF50F rider seeking to significantly improve your bike's performance and durability, the Wiseco 4798MO3900 piston kit is an excellent investment. Through proper research, installation, and possibly additional modifications, you'll enjoy enhanced power, better sealing, and a longer-lasting engine, leading to a more enjoyable off-road experience.
This kit has the piston, piston rings, wrist pin clips. This is a PS, Standard bore size, Wiseco 4798MO3900 Piston Kit. It even has a sticker with it. 11:1 compression, 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 pistons are priced with rings cir clips Honda CRF50F.