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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This Wossner forged high-compression piston kit features a 77mm bore size (76.96mm actual) and is designed for Kawasaki KX250F models from 2011 to 2014. The piston includes a hard Teflon skirt coating for improved fit and bore conformity. Manufactured in Germany with a two-ring configuration, it enhances combustion efficiency and strength under pressure. The elliptical design ensures even load distribution during thermal expansion.
Features
Forged high-compression piston with two-ring setup
Elliptical profile for balanced thrust load distribution
Engineered for optimal heat transfer to cylinder walls
Hard Teflon skirt coating for superior fit and bore adaptability
Manufactured in Germany
Specifications
Bore Size: 77mm (actual 76.96mm)
Displacement: 250 cm³
Stroke: 53.60 mm
Clearance: 0.04 mm
Compression Ratio (Wossner): 14.20:1
Compression Ratio (OEM): 13.50:1
Dome Volume: -1.70 cm³
Compression Height: 19.60 mm
Lock Part Number: CW16
Pin Part Number: WP070
Ring Set Part Number: 770XAS
Cross-Reference OEM Part Numbers
13001-0125
40020M07700
Vehicle Fitments
2011 Kawasaki KX250F
2012 Kawasaki KX250F
2013 Kawasaki KX250F
2014 Kawasaki KX250F