

PROX offers you a piston kit designed for high-performance 2-stroke engines, offering an excellent combination of power, reliability and durability in intensive use. Made from high-quality aluminum, this piston provides optimum resistance to heat, high stress and wear, while guaranteeing constant engine stability even at high rpm. Its precision design improves combustion chamber sealing to optimize compression, combustion and overall engine efficiency. Thanks to its lightweight, balanced structure, it promotes rapid rev-up and improved engine responsiveness across the entire operating range.
Fits on :
YAMAHA WR 250 1997
YAMAHA WR 250 1996
YAMAHA WR 250 1995
YAMAHA WR 250 1994
YAMAHA WR 250 1993
YAMAHA WR 250 1992
YAMAHA WR 250 1991
YAMAHA WR 250 Z 1997
YAMAHA WR 250 Z 1997
YAMAHA WR 250 Z 1996
YAMAHA WR 250 Z 1996
YAMAHA WR 250 Z 1995
YAMAHA WR 250 Z 1995
YAMAHA WR 250 Z 1994
YAMAHA WR 250 Z 1994
YAMAHA WR 250 Z 1993
YAMAHA WR 250 Z 1993
YAMAHA WR 250 Z 1992
YAMAHA WR 250 Z 1992
YAMAHA WR 250 Z 1991
YAMAHA WR 250 Z 1991
YAMAHA YZ 250 1998
YAMAHA YZ 250 1997
YAMAHA YZ 250 1996
YAMAHA YZ 250 1995
YAMAHA YZ 250 1994
YAMAHA YZ 250 1993
YAMAHA YZ 250 1992
YAMAHA YZ 250 1991
YAMAHA YZ 250 1990
YAMAHA YZ 250 1989
YAMAHA YZ 250 1988
YAMAHA YZ 250 WR 1990
YAMAHA YZ 250 WR 1989
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