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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This Wossner piston kit with a 64.02mm bore (+0.02mm oversize) is engineered for KTM 200cc 2-stroke engines, offering high-performance reliability and thermal efficiency. Designed for both SX and EXC models, this forged piston provides excellent resistance to stress and wear in demanding off-road conditions.
Features
Forged construction for superior strength and durability
Engineered for optimal heat transfer to the cylinder wall
Elliptical piston shape ensures consistent bearing surface under expansion
Prevents piston collapse by reducing localised pressure and evenly distributing thrust loads
Manufactured with precision in Germany
Specifications
Bore: 64.02 mm
Actual piston size: 63.96 mm
Stroke: 60.00 mm
Display volume: 200 cm³
Clearance: 0.06 mm
Compression ratio: 2-stroke (Wossner and OEM)
Compression height: 28.00 mm
Cross-Reference OEM Part Numbers
Piston Kit: 8048DC
Lock: CW16
Pin: WP027
Ring Set: RSB6400 x 2
Part No: 56-W770.C.WO
Cross-Reference Aftermarket Part Numbers
Wossner: 8048DA
Wiseco: 770M06400
Vertex: 22926
ProX: 01-6248
Namura: NX-70021
KTM OEM Piston I Cpl.: 52330007400 I
KTM OEM Piston II Cpl.: 52330007400 II
KTM OEM Pin: 52330033100
KTM OEM Ring: 52330032100
KTM OEM Clip: 52330074100
Vehicle Fitments
KTM SX 200 2003–2005
KTM EXC 200 1998–2013