High-Performance 4-Stroke Piston KitFeature X-style forgings for ultimate strength, minimizing friction, durability, power, and weight reductionFull radius dome designs maximize quench while eliminating hot spots that promote detonationInternal bracing maximizes durability while decreasing friction in the pin assemblyPiston kit includes wrist pin, rings, & circlipsMade in the USA12.5:1 compression ratio for '04-'05 YFZ450 439 cc.
12.75:1 compression ratio for '06-'20 YFZ450 449 cc.
YAMAHA
2004
YFZ 450 LE (5TG)
YAMAHA
2005
YFZ 450 SE (5TG)
YAMAHA
2007
YFZ 450 SE (5D3)
YAMAHA
2009
YFZ 450 RSE (1TD)
YAMAHA
2010
YFZ 450 RSE (1TD)
YAMAHA
2010
YFZ 450 X (1TD)
YAMAHA
2011
YFZ 450 RSE (1TD)
YAMAHA
2011
YFZ 450 XSE (1TD)
YAMAHA
2011
YFZ 450 X (1TD)
YAMAHA
2012
YFZ 450 RSE (1TD)
YAMAHA
2013
YFZ 450 RSE (1TD)
YAMAHA
2014
YFZ 450 RSE (1TD)
YAMAHA
2015
YFZ 450 RSE (1TD)
YAMAHA
2016
YFZ 450 RSE (1TD)
YAMAHA
2017
YFZ 450 RSE (1TD)