Wiseco Pro-Lite Top End Kit 57.00 mm for Yamaha YZ125 1986–1988 PK1806

Wiseco PK1806 is a top end kit for a 57.00 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: PK1806
• Product Series: 2 Stroke Pro-Lite Series
• Bore Diameter: 57.00 MM
• Piston Diameter: 56.95 MM
• Piston Oversize: 1.00 MM
• Skirt Coating: No

Included components

Piston #559M05700, Ring Set #2244CS, Piston pin #S514, Circlip #CW16, Bearing #B1016, Gasket #W4904.

Cylinder preparation

Wiseco specifies: Bore & Hone.

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

Application notes

• Yamaha YZ125 1986–1988: At bores of 57 mm or above, modify the power valve before fitting.