Piston Kit Yamaha YZ450F '20-22 / YZ450FX '21-23 / WR450F '21-23 13.7:1 CR GRADED SIZE:96.97MM 0 used on 1986-1991 model

0 used on 1986-1991 model years

Silver coated for reduced friction

2009 - 2013

7:1 8501DC 95

Includes bronze-bushed small end for reduced friction and improved wear

Piston Kit Yamaha YZ450F '20-22 / YZ450FX '21-23 / WR450F '21-23 13.7:1 CR GRADED SIZE:96.97MM 0 used on 1986-1991 modelALL PISTON KITS INCLUDE PISTON, RINGS, WRIST PIN, AND RETAINING CLIPS UNLESS NOTED. REPLACEMENT COMPONENTS LISTED BELOW TWO RING PISTON DESIGN ITEM BORE SIZE PISTON SIZE RING CLIP WRIST PIN 4066DA 97. 00 96. 96 RIK97. 00 2 CW18 WP072 SP 4066DB 97. 01 96. 97 RIK97. 00 2 4066DC 97. 02 96. 98 RIK97. 00 2 Click the component to view and add to your cart What does Graded Size mean? Click here to find out