ATHENA offers you this replacement piston for the top engine ATHENA Big Bore P400485100012 mounted on YAMAHA YZF and WF 250cc from 2001 to 2012. This piston ATHENA high compression will allow you to bring your cylinder back to original performance. Ideal in case of wear it is available in dimension A in 82,95mm and B in 82,96mm thus allowing to palliate the loss of compression of the friction of the piston in the cylinder. This piston is delivered with its rings, pin and clips in C. We strongly advise you to mount the piston with new seals to avoid any compression loss. We recommend changing the piston every 10,000 km or 35 hours maximum!
Fits on:
YAMAHA WR250F 2001
YAMAHA WR250F 2002
YAMAHA WR250F 2003
YAMAHA WR250F 2004
YAMAHA WR250F 2005
YAMAHA WR250F 2006
YAMAHA WR250F 2007
YAMAHA WR250F 2008
YAMAHA WR250F 2009
YAMAHA WR250F 2010
YAMAHA WR250F 2011
YAMAHA WR250F 2012
YAMAHA WR250F 2013
YAMAHA WR250F 2014
YAMAHA YZ250F 2001
YAMAHA YZ250F 2002
YAMAHA YZ250F 2003
YAMAHA YZ250F 2004
YAMAHA YZ250F 2005
YAMAHA YZ250F 2006
YAMAHA YZ250F 2007
YAMAHA YZ250F 2008
YAMAHA YZ250F 2009
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