The Wiseco Racer Elite high-compression piston kit is intended for engine rebuilds on the Kawasaki KX 250 models listed below. The supplied dimensions and OEM reference can be used to check the required part before ordering.

Specifications

• Standard bore: 78.00 mm
• Piston size: 77.95 mm
• Actual compression ratio: 14.5:1
• Compression ratio over stock: +0.5
• Total height: 33.80 mm
• Piston pin hole diameter: 16.00 mm
• Compression height: 12.00 mm
• Boss spacing: 17.00 mm
• Construction: forged piston
• Valve pockets: 4
• Piston head: flat with raised top
• Skirt coating: Armorglide

Cross-Reference OEM Part Numbers

• Wiseco: WREP834M07800
• OEM reference: 13001-0856

Vehicle Fitments

• Kawasaki KX 250 (4 Stroke): 2025–2027
• Kawasaki KX 250 X: 2025–2027