Wiseco Forged Piston Kit 77.00 mm 14:1 CR for Yamaha YZ250 F 2012–2013 40094M07700

Wiseco 40094M07700 is a piston kit for a 77.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 40094M07700
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 77.00 MM
• Piston Diameter: 76.95 MM
• Piston Oversize: STD
• Piston Material: 2618
• Skirt Coating: Yes
• Compression Ratio Actual: 14:1

Included components

Ring Set #7700XU, Piston pin #S742, Circlip #W6883.

Cylinder preparation

Wiseco specifies: Deglaze / Hone.

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