WSM-5647-484226 WSM Standard Piston Kit Sx 650 Kawasaki

Review WSM Standard Series Piston Kit 76.25mm Kawasaki for KAWASAKI SX 650 1987–1988

WSM WSM-5647-484226 Standard Piston Kit for Kawasaki 650 SX/JS650-B (1987-1988)

The WSM WSM-5647-484226 Standard Piston Kit is specifically designed for the Kawasaki 650 SX and JS650-B motorcycles manufactured between 1987 and 1988. This piston kit is an excellent choice for riders seeking reliable and high-performing components for their vintage motorcycle.

The pistons are made from forged aluminum alloy to ensure strength, durability, and lightweight performance. Each piston is precision-machined to ensure a perfect fit in the cylinder and optimal engine performance. The piston crowns are designed with an optimized dome shape to provide improved combustion efficiency and power output.

The piston kit also includes new piston rings, which are essential for sealing the combustion chamber and preventing oil leakage. The piston rings are made from high-quality materials that provide excellent wear resistance, ensuring a long service life.

The pistons are designed to work with the original crankshaft, connecting rods, and cylinder heads. They are also compatible with the stock engine gaskets and seals. Installing these pistons does not require any engine modifications, making them an ideal choice for riders who prefer a stock appearance and performance.

The WSM piston kit is backed by a 1-year warranty, ensuring peace of mind for the rider. The pistons are easy to install, and the kit includes all necessary hardware for a hassle-free installation process.

In summary, the WSM WSM-5647-484226 Standard Piston Kit is a high-quality, reliable, and performance-enhancing upgrade for Kawasaki 650 SX and JS650-B motorcycles from 1987 and 1988. These pistons are designed to provide improved combustion efficiency, power output, and durability, making them an excellent investment for vintage motorcycle enthusiasts.

The WSM WSM-5647-484226 Standard Piston Kit is designed for the Kawasaki 650 SX JS650-B motorcycles manufactured between 1987 and 1988. This kit includes four pistons and rings. Here are some pros and cons to help you make an informed decision about purchasing this product.

1. OEM (Original Equipment Manufacturer) replacement: This piston kit is manufactured by WSM, a reputable aftermarket parts manufacturer, ensuring a perfect fit and function for your Kawasaki 650 SX JS650-B.

2. Improved engine performance: Worn-out pistons can lead to decreased engine performance. Replacing them with new ones can help restore the engine's power and efficiency.

3. Extends engine life: Regularly replacing pistons and rings can help prevent more severe engine damage and prolong the overall life of your motorcycle.

4. Cost-effective: In the long run, replacing worn-out pistons and rings can save you money by preventing more expensive engine repairs or even engine replacement.

1. Upfront cost: Although the cost savings in the long run, the upfront cost of purchasing a new piston kit can be significant.

2. Installation: Installing the new pistons and rings requires specialized knowledge and tools, which may require the assistance of a professional mechanic.

3. Risk of damage during installation: improper installation can lead to engine damage, potentially requiring additional repairs.

The WSM WSM-5647-484226 Standard Piston Kit is a valuable investment for Kawasaki 650 SX JS650-B owners. It ensures optimal engine performance, extends the engine's life, and saves money in the long run. However, the upfront cost and the need for professional installation are worth noting. If you are experiencing issues with your motorcycle's pistons, it's essential to address them promptly to prevent further damage and save on repair costs in the future.

If you're experiencing engine performance issues or have been riding your Kawasaki 650 SX JS650-B for an extended period, it's a good idea to consider replacing the pistons and rings with a new kit like the WSM WSM-5647-484226 Standard Piston Kit. Be sure to have the installation done by a professional mechanic to ensure proper fitting and function. This investment can help prevent more severe engine damage and save you money in the long run.

Details:

Brand: Wsm, model number: WSM-5647-484226. Compatibility, Kawasaki 650 Sx JS650-B 1987 -1988, 1990-1993, SC jl650-a 1991-1995, gifts jf650-b 1991-1996, x2 jf650-a 1987 -1995. This is helpful if you are buying multiple items. Wsm standard series piston kit 76.25mm Kawasaki 650 Sx JS650-B 1987 -1988: kit contains: 1 one piston as well rings, pin and clips to match piston bore size: 76.25mm, actual contents may vary from photo, quality construction are exact oem specifications.

I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification.

specifications watercraftimp:

• for models: Sx, 650
• for makes: Kawasaki
• for years: 1987–1988
• brand: Wsm
• mpn: Wsm-5647-484226
• part type: Piston

shipping watercraftimp:

• type: fixed
• class: standard
• transit: 4-5 days
• service: standard

returns watercraftimp:

• time: 30 days
• paid by: seller
• policy: returns accepted

offer watercraftimp:

• started: january 23, 2026
• options: ship-to-home
• in stock #: 1
• sold #: 18
• price: $80.20
• item condition: New
• availability: in stock

payments watercraftimp:

• wallet: apple-pay
• credit card: diners-club
• other

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

seller watercraftimp:

• # reviews: 75936
• city: sparks, nv
• rating: 99.8%