WOSSNER offers you this replacement piston for your original size 400cc top engine mounted on your KTM EXC 400cc and BETA RR 400cc. This piston has the same characteristics as the one received in your original cylinder. This piston is standard and the piston head is worked in such a way that it best compresses your combustion chamber without altering the engine reliability. It is a graphite model to improve lubrication and increase the reliability of your bike. Sold as on the picture with the piston, these rings, these 2 clips as well as the piston pin.

Available in 2 wear dimensions:

A: 88,94mm

B: 88.95mm

Fits on:

BETA RR 400 4T ENDURO RACING 2009

BETA RR 400 4T ENDURO 2009

BETA RR 400 4T ENDURO 2008

BETA RR 400 4T ENDURO 2007

BETA RR 400 4T ENDURO 2006

BETA RR 400 4T ENDURO 2005

BETA RR 400 4T ENDURO 2004

KTM 400 EXC RACING FACTORY EDITION 2007

KTM 400 EXC RACING FACTORY EDITION 2005

KTM 400 EXC RACING SIX DAYS 2003

KTM 400 EXC RACING SIX DAYS 2002

KTM 400 EXC RACING SIX DAYS 2001

KTM 400 EXC RACING 2007

KTM 400 EXC RACING 2006

KTM 400 EXC RACING 2005

KTM 400 EXC RACING 2004

KTM 400 EXC RACING 2003

KTM 400 EXC RACING 2002

KTM 400 EXC RACING 2001

KTM 400 EXC RACING 2000

KTM 400 SX RACING 2002

KTM 400 SX RACING 2001

KTM 400 SX RACING 2000

POLARIS OUTLAW 450 MXR 2X4 2011

POLARIS OUTLAW 450 MXR 2X4 2010

POLARIS OUTLAW 450 MXR 2X4 2009

POLARIS OUTLAW 450 MXR 2X4 2008

POLARIS OUTLAW 450 S 2010

POLARIS OUTLAW 450 S 2009

POLARIS OUTLAW 450 S 2008