fits model: Rm250. make: Suzuki. year: 1987–1988.

( Brand: Wiseco ), ( Manufacturer Part Number: 558P4 ), ( Type: Piston Kit ), ( Oe/oem Part Number: 558mo6800 ), ( Piston Diameter: 68mm ), ( Country/region Of Manufacture: United States )
The WISCO 558P4 piston kit is a high-performance upgrade designed specifically for the 1987 and 1988 Suzuki RM250 motorcycles. This piston kit includes not only the 558mo6800 piston (part number 558P4), but also crucial supporting components to ensure optimal engine performance, such as the 558P3 ring set (part number 558P3).
The piston itself is manufactured using advanced SK5 alloy steel. Structurally enhanced, the O-ring grooves have been designed with a precise tolerance and shape for ultimate sealing efficiency. The piston's crown surface is engineered to provide excellent thermal properties, minimizing engine heat and ensuring a more even combustion temperature.
The accompanying 558P3 ring set consists of a compression ring, oil control ring, and gudgeon pin bushings. The compression ring is designed with a modified J-groove to improve ring sealing while optimizing compression. The oil control ring features an updated design, offering enhanced oil control for extended engine life. Lastly, the gudgeon pin bushings provide superior wet lubrication and reduce frictional losses, ensuring a smoother operating engine.
Manufactured with precision and care in WISCO's dedicated facilities, this piston kit delivers performance enhancements for your 1987 and 1988 Suzuki RM250. All parts feature a matched finish and are ready for an easy bolt-on installation, making this upgrade not only effective but also an attractive add-on for your motorcycle.
Make your motorcycle stand out with the WISCO 558P4 piston kit and experience improved performance, efficiency, and durability. Upgrade your Suzuki RM250 and enjoy the ride.
- The Wiseco piston kit is designed to enhance the overall performance of the engine.
- The forged pistons are stronger and more durable than stock pistons, allowing the engine to handle increased power and rpm.
2. Increased Power and Torque:- The 68mm pistons enable the engine to breathe better, leading to an increase in power and torque.
- This results in better off-road performance and improved throttle response.
3. Enhanced Engine Longevity:- Forged pistons are known to resist detonation and engine knock, which can help extend engine life.
- The piston kit includes a complete gasket set, reducing the risk of leaks and prolonging engine health.
4. Easy Installation:- The piston kit comes with all the necessary components for an easy installation.
- The step-by-step instructions provided will guide you through the process, making it a relatively straightforward project for the average mechanic.
5. Compatibility:- The kit is specifically designed for 1987-1988 Suzuki RM250 models.
- The close compatibility guarantees a seamless fit in the engine.
6. Superior Material Quality:- The forged pistons are made from high-quality materials, such as 2618-T6 aluminum.
- This ensures the pistons maintain their strength and shape under heavy use.
7. Increased Horsepower and Top Speed:- The improved combustion efficiency of the piston kit can lead to a noticeable increase in horsepower and top speed.
- This upgrade can be especially desirable for competitive off-road riding, where every bit of power matters.
Cons: 1. Cost:- The Wiseco piston kit is more expensive than stock OEM parts.
- While the long-term gains in performance and engine life may outweigh the initial investment, it may deter some buyers with limited budgets.
2. Additional Labor Costs:- Installing the piston kit yourself requires significant mechanical skills and time-investment.
- Your local mechanic or dealer may charge a premium for the installation, adding to the overall cost.
3. Potential Adjustments:- Depending on the specific condition of your engine, some fine-tuning (such as carburetor adjustments) may be necessary for optimal performance.
Conclusion:The Wiseco piston kit (558P4) offers several advantages, including enhanced performance, durability, and a potential increase in horsepower and top speed for 1987-1988 Suzuki RM250 bikes. Its high-quality components and easy installation process make it an attractive option for those looking to get the most out of their motorcycle. However, the added cost and potential need for additional tuning could be seen as drawbacks for some. To ultimately decide on whether this piston kit is right for you, carefully consider your budget and mechanical skills while weighing the benefits of the performance upgrade against the investment.
Recommendation:If you are an avid off-road rider looking to unlock the full potential of your 1987-1988 Suzuki RM250 or simply desire a high-performance upgrade for competition, investing in the Wiseco piston kit (558P4) could make a significant difference in both your riding experience and the bike's long-term engine health. However, potential buyers should first consider their budget and the associated installation costs. If the investment is solid for their circumstances, the Wiseco 558P4 piston kit is a recommended enhancement that can yield noticeable gains in power and performance for your Suzuki RM250.
It even has a sticker with it. This is a P4.1mm oversize bore size Wiseco 558MO6800 Piston Kit. 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 1987 - 1988 Suzuki RM250 This kit replaces 558P4 558MO6800 Piston Kit.