Wiseco Forged Piston Kit 77.00 mm 13.5:1 CR for Yamaha YZF-R1 2004–2006 4857M07700

Wiseco 4857M07700 is a piston kit for a 77.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 4857M07700
• 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: 13.5:1

Included components

Ring Set #3032XG, Piston pin #S688, Circlip #CW17.

Cylinder preparation

Wiseco specifies: Deglaze / Hone.

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