Piston Kit Pro X Excellent economic alternative when you are looking for an O.E.M. quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards. Sleeved cylinder piston kits are available in standard size and a wide range of oversizes. Plated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if available. ProX leads the industry in cast and forged pistons made specifically to replace O.E.M. parts.

• Comes complete with pistons, piston rings, wrist pin and circlips

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1991	Yamaha	WR250
1992	Yamaha	WR250
1993	Yamaha	WR250
1994	Yamaha	WR250
1995	Yamaha	WR250
1996	Yamaha	WR250
1997	Yamaha	WR250
1988	Yamaha	YZ250
1989	Yamaha	YZ250
1990	Yamaha	YZ250
1991	Yamaha	YZ250
1992	Yamaha	YZ250
1993	Yamaha	YZ250
1994	Yamaha	YZ250
1995	Yamaha	YZ250
1996	Yamaha	YZ250
1997	Yamaha	YZ250
1998	Yamaha	YZ250