86.50mm Piston Ring Set of 4 for Yamaha PWC with Wiseco pistons only

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Product Overview

86.50mm Piston Ring Set for Yamaha personal watercraft/jet ski with 86.50mm Wiseco pistons. Thickness 1mm - 1.2mm - 2.8mm rings
Complete ring set for 4 pistons. Includes top rings, 2nd rings, and oil rings. Japan made. High quality replacement. 
Fit newer Wiseco pistons with the following ring thicknesses
Top ring:
1mm / 0.039" thick
Alloy steel, Ferrox coated, and Chrome faced
2nd ring: 
1.2mm / 0.047" thick
Cast iron, phosphate coated, and taper faced
Oil ring:
2.8mm / 0.110" thick
3 piece assembly, stainless steel flex vent spacer, and chrome faced rails.


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