Wiseco Pistons 741M05400 Pro-Lite Piston Kit 54.00mm Standard Bore

The Wiseco 741M05400 Pro-Lite piston kit is engineered for Kawasaki KX125 2-stroke dirt bikes (1999-2000 models) with a standard 54.00mm bore size. This complete piston kit delivers race-proven performance and reliability for both trail riding and competition applications.

Key Features:

• Forged from high-silicon aerospace-grade aluminum alloy for superior strength-to-weight ratio
• Pro-Lite design provides reduced weight while increasing horsepower over stock pistons
• CNC-machined with diamond-turned finish for precise tolerances and perfect surface quality
• Computer-engineered piston skirt profile minimizes cylinder wall friction for maximum power
• Optimized cam shape and profile for peak horsepower, torque, and extended service life
• Improved heat transfer characteristics for better thermal management

Complete Kit Includes: Forged piston, high-performance ring set (2126CS), wrist pin, and two circlips. This kit contains all components needed for top-end rebuilds or performance upgrades.

Specifications: Standard bore diameter of 54.00mm for 125cc displacement with 54.50mm stroke. Designed for 2-stroke applications with race-tested durability backed by over 70 years of Wiseco engineering excellence.