fits model: Yz125. make: Yamaha. year: 2005–2011.

( Brand: Wiseco Piston ), ( Manufacturer Part Number: 846M05800 ), ( Warranty Details: See Manufacturer )
The WISCO Piston 846M05800 GP is a high-performance replacement piston specifically designed for the Yamaha YZ125 motorcycles manufactured between 2005 and 2011. This piston is an excellent upgrade for riders seeking improved power and performance for their bike.
Measuring 58.00mm in bore diameter and 4.00mm in piston ring gap, this WISCO piston is meticulously engineered to ensure a perfect fit and compatible with the OEM cylinder. The piston's top ring groove measuring 1.10mm accommodates aftermarket rings for optimized combustion efficiency.
Constructed from forged aluminum, this WISCO piston boasts enhanced durability and reliable heat dissipation. Its uniquely designed top skirt shape provides better sealing, reducing blow-by and improving overall engine efficiency. The piston's totally square piston pin bore ensures ideal alignment with the crankshaft, enhancing power transfer and engine responsiveness.
Incorporating state-of-the-art CNC machining technology, WISCO guarantees precision engineering and a snug fit for your Yamaha YZ125 engine. Each piston undergoes rigorous testing to ensure maximum performance and reliability.
The WISCO 846M05800 GP piston is an excellent choice for tuners, racers, and enthusiasts who want to extract better power from their Yamaha YZ125 engines. Its supreme quality, precise fit, and exceptional durability make it an ideal upgrade for your motorcycle.
The Wiseco Piston 846m05800 is a high-performance piston designed specifically for the Yamaha YZ125 motorcycles from the model years 2005 to 2011. This piston is renowned for its durability, power enhancement, and weight reduction. In this analysis, we will discuss the advantages and disadvantages of purchasing a Wiseco Piston 846m05800 for your Yamaha YZ125.
Advantages:1. Increased Power: The Wiseco Piston 846m05800 is designed to offer more power by increasing the compression ratio and enhancing the combustion process. This results in improved acceleration and a better riding experience for racers and enthusiasts.
2. Enhanced Durability: This piston is manufactured using high-quality materials and advanced engineering techniques. It is designed to withstand the rigors of high-performance riding, providing increased durability and longevity.
3. Lightweight Design: The Wiseco Piston 846m05800 is designed to be lighter than the stock piston. This weight reduction results in faster engine response and improved overall performance.
4. Improved Engine Efficiency: The Wiseco Piston 846m05800 is designed to improve engine efficiency by minimizing frictional losses and enhancing the fuel-air mixture for better combustion.
Disadvantages:1. Expensive: The Wiseco Piston 846m05800 is priced higher compared to stock pistons. This might be a concern for budget-conscious riders or those who are new to the sport.
2. Requires Additional Modifications: Installing the Wiseco Piston 846m05800 might require additional modifications such as cylinder head porting and a performance air filter. These modifications may add to the overall cost of the upgrade.
3. Not Suitable for Street Use: The Wiseco Piston 846m05800 is designed for racing applications. Using it on the street might result in increased noise levels and decreased fuel efficiency.
Conclusion:In conclusion, the Wiseco Piston 846m05800 offers significant power enhancement, increased durability, weight reduction, and improved engine efficiency. However, it comes at a higher cost and may require additional modifications. If you are a serious racer looking for a high-performance piston or a performance enthusiast with a well-prepared bike, the Wiseco Piston 846m05800 is an excellent choice. On the other hand, if you are on a tight budget or primarily use your Yamaha YZ125 for street riding, a stock piston may be a better option.
Recommendation:If you are looking for a high-performance piston for your Yamaha YZ125, the Wiseco Piston 846m05800 is an excellent choice. However, consider your budget and the intended use of your motorcycle before making a decision. If budget is a concern, consider other performance upgrades that may offer better value for your money. If you primarily use your motorcycle for racing or competitive riding, the Wiseco Piston 846m05800 is a worthy investment. For those who use their Yamaha YZ125 for street riding, a stock piston may be a more practical choice.
Consistently true and durable. Each Piston is electrocuted on the crown, ring grooves, and pin bore, for maximum wear resistance protection from micro-welding, galling, detonation. Precision machined, highest quality materials for strength and reduced friction. Highest quality, alloy pin.
Race proven designs. These cutting edge designs produce the maximum power possible out of each application, designed to keep you at front pack. Extended life and sustained power. Optimal cam shape and profile for peak HP service life.
CNC machined. Chosen by top race teams, in all forms of racing. Note: Image is for reference only, actual product may vary slightly depending on your specific application. Racers Choice Pistons offer extra performance to those racers and engine builders who want the most in every race.
Note: All kits cover a single cylinder only. Most Racers Choice Pistons are single ring 2-stroke or two 4-stroke. Wiseco Piston GP 4.00mm Over 58.00mm Yamaha YZ125 2005 -2011: Racers Choice Pistons are packed with performance enhancements. Superior strength/weight ratio utilizing Aerospace alloy.
High-performance ring set. With one less ring, weight and friction are reduced, power is increased, throttle response instantaneous. All Wiseco Piston kits include 1 Piston, ring set, wrist pin and 2 cir clips. Note: Service intervals may be increased with Racers Choice Pistons over conventional Wiseco Pistons, and are for expert racers tuners only.