Wiseco Forged Piston Kit 71.00 mm 10.25:1 CR for Yamaha YTM225 1984–1988 4312M07100

Wiseco 4312M07100 is a piston kit for a 71.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 4312M07100
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 71.00 MM
• Piston Diameter: 70.95 MM
• Piston Oversize: 1.00 MM
• Piston Material: 2618
• Skirt Coating: No
• Compression Ratio Actual: 10.25:1

Included components

Ring Set #2795XC, Piston pin #S259, Circlip #CW16.

Cylinder preparation

Wiseco specifies: Bore & Hone.

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