Wiseco GP Series Piston Kit 66.40 mm for Yamaha YZ250 2002–2023 808M06640

Wiseco 808M06640 is a piston kit for a 66.40 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 808M06640
• Product Series: 2 Stroke GP Series
• Bore Diameter: 66.40 MM
• Piston Diameter: 66.36 MM
• Piston Oversize: STD
• Piston Material: 4032
• Skirt Coating: Yes

Included components

Ring Set #2614CS, Piston pin #S508, Circlip #CW18.

Cylinder preparation

Wiseco specifies: Deglaze / Hone.

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

Manufacturer photograph for this reference. Packaging presentation may change.