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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This Wossner forged piston kit features a 77.02mm bore size (76.98mm actual), offering a +0.02mm oversize specification for Kawasaki KX250F models from 2011 to 2014. Built with a two-ring design and precision-manufactured in Germany, the piston provides reliable performance under thermal and mechanical stress. Its elliptical shape promotes balanced thrust force distribution and efficient heat transfer.
Features
Forged piston with two-ring configuration for enhanced strength and durability
Elliptical design ensures uniform bearing surface during heat expansion
Engineered for effective combustion heat dissipation
Manufactured in Germany
Specifications
Bore Size: 77.02mm (actual 76.98mm)
Displacement: 249 cm³
Stroke: 53.60 mm
Clearance: 0.04 mm
Compression Ratio (Wossner): OEM
Compression Ratio (OEM): 13.50:1
Dome Volume: -2.80 cm³
Compression Height: 19.60 mm
Lock Part Number: CW16
Pin Part Number: WP070
Ring Set Part Number: 770XAS-2
Cross-Reference OEM Part Numbers
56-W952.C.WO
Vehicle Fitments
2011 Kawasaki KX250F
2012 Kawasaki KX250F
2013 Kawasaki KX250F
2014 Kawasaki KX250F