Vertex Top End Piston Kit - VTK24370B Yamaha YZ 85 2002-2018 Brand_Dura Blue Risers are drilled and tapped

Risers are drilled and tapped for 1/2"-13 mounting bolts (sold separately)

Blockoff plate for Dash Style One Piece Tank

Half-moon design

precision engineered PolyTec Seat pan

Vertex Top End Piston Kit - VTK24370B Yamaha YZ 85 2002-2018 Brand_Dura Blue Risers are drilled and tappedFeatures The piston is heat treated with a T 5 hardening and tempering cycle The piston skirt is coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Gravity cast aluminum alloy (not forged) with 18% silicone content Cast OE replacement piston Top end kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing Specs Compression Ratio Standard Displacement 85 cc Engine Type 2