Wiseco 448M05700 Forged Piston Kit 57.00mm Oversize for Honda CR125R 1980-1984

The Wiseco 448M05700 is a +1.50mm oversize forged piston kit with a 57.00mm bore diameter, purpose-built for the Honda CR125R 2-stroke motocross engine. Forged from high-silicon aluminum alloy, this piston delivers the strength and dependability demanded by high-performance 2-stroke applications.

Key Features:

• Forged high-silicon aluminum alloy construction for maximum tensile strength and long service life
• 57.00mm bore (+1.50mm oversize) — cylinder sleeving or reboring required
• Optimized piston skirt geometry engineered to maximize horsepower and torque output
• Dedicated 2-stroke forging design built specifically for the Honda CR125R engine
• Complete kit includes piston, ring(s), wrist pin, and circlips
• Engineered, forged, and machined in the USA

Important: This is an oversize piston (+1.50mm). Installation requires professional cylinder reboring or sleeving to match the 57.00mm bore specification. Wiseco part number 2244CD references the included ring set.