IMD Yamaha XT250 TT250 SR250 Piston Kit - STD Size 75mmIMD Yamaha XT250 TT250 SR250 Piston Kit STD Size 75mm IMD Yamaha XT250 TT250 SR250 Piston Kit STD Size 75mm IMD Yamaha XT250 TT250 SR250 Piston Kit STD Size 75mm New reproduction piston and ring kits. Pistons are cast and replicate original pistons. Original stock bore was 75mm. Includes 1 Piston STD Size or 75mm 1 Rings Set STD Size 1 Piston Pin 2 Piston Clips Fits the following models Part # = 3Y1 11631 00 A0Part Description = PISTON STDModel Count