Wiseco Forged Piston Kit 54.00 mm 13:1 CR for Yamaha YFM125 R Raptor 2011–2013 40071M05400

Wiseco 40071M05400 is a piston kit for a 54.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 40071M05400
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 54.00 MM
• Piston Diameter: 53.95 MM
• Piston Oversize: STD
• Piston Material: 4032
• Skirt Coating: Yes
• Compression Ratio Actual: 13:1

Included components

Ring Set #2126XE, Piston pin #S571, Circlip #CW15.

Cylinder preparation

Wiseco specifies: Deglaze / Hone.

Select by the required finished cylinder bore. Bore diameter and piston diameter are different measurements.