Working out the right piston kit

Always start with your bore size. Pistons come in several diameters, often marked with a letter or listed as oversize. Measure the cylinder or have it measured, and if it has been rebored, choose the matching oversize. Coated cylinders are usually not rebored, so they stay on the standard size. Also compare model, engine size and year, as pistons can differ within a single model. Always replace rings, pin and clips along with the piston and follow the break-in procedure. Use the parts finder to find kits for your bike, or send us your details if you're unsure.

Piston Sets

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Piston Sets

Wiseco Piston Kit KTM / Suzuki 2002-2010

Wiseco Piston Kit Husqvarna CR250 1998-2009

Wiseco Piston Kit GasGas / Honda / Yamaha 1995-2006

Wiseco Piston Kit KTM380 1998-2002

Wiseco Piston Kit KTM 125 SX 1998-2000

Wiseco Piston Kit Kawasaki KX125 1998

Wiseco Piston Kit Yamaha DT125R / TZR125 1987-1996

Wiseco Piston Kit Yamaha DT125R / TZR125 1987-1996

Wiseco Piston Kit Yamaha WR250 / YZ250 1992-1998

Wiseco Piston Kit Kawasaki KX250 1990-1991 Pro-Lite

Wiseco Piston Kit Kawasaki KDX250 / KX250 1990-1994

Wiseco Piston Kit Kawasaki KX125 1991

Wiseco Piston Kit Honda CR125R 1990-1991

Wiseco Piston Kit Kawasaki KX125 1990

Wiseco Piston Kit Honda CR125R 1988-1989

Wiseco Piston Kit Honda CRF100F 2004-2013

Wiseco Piston Rings 76.80 mm Ring Set - .8 x 1.5mm

Wiseco Piston Rings 95.00 mm - 1.0 x 2.0mm

Wiseco Piston Rings 97.00 mm Ring Set

Wiseco Piston Rings 77.00 mm Ring Set - .8 x 1.5mm

Wiseco Piston Rings 78.00 mm Ring Set .9mm X 1.5mm

Wiseco Piston Rings 88.00 mm x 1.0 x 2.0mm Ring Set

Wiseco Piston Rings 96.00 mm Ring Set 1mm x 2mm

Wiseco Piston Set Front & Rear HD Twin Cam 131ci

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