Wiseco Forged Piston Kit 73.00 mm 10.5:1 CR for Yamaha TTR250 1999–2006 4689M07300

Wiseco 4689M07300 is a piston kit for a 73.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 4689M07300
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 73.00 MM
• Piston Diameter: 72.95 MM
• Piston Oversize: STD
• Piston Material: 2618
• Skirt Coating: No
• Compression Ratio Actual: 10.5:1

Included components

Ring Set #2874XC, Piston pin #S524, 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.