BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | OFFROAD PISTON & PISTON KITS PISTON & PISTON KITS 1386 PISTON KITS (CONT) FITS MODEL BORE SIZE (MM) PISTON SIZE (MM) OVERSIZE PISTON KIT PART # REPLACEMENT RING SET PART # YAMAHA (CONT) YZ250 76-79 70.8 70.44 0.5 0910-55702, 11 - 72 71.94 2 0910-55712, 11 - YZ250 88-91 68 67.94 STD 0910-55472 - 68.5 68.44 0.5 0910-55482 - 69 68.94 1 0910-55492 - 70 69.94 2 0910-55512 - YZ250 92-98 68 67.94 STD 0910-47342 - 68.01 67.95 0.01 0910-47352 - 68.02 67.96 0.02 0910-47362 - YZ250 99-23 66.4 66.35 STD 0910-6641 - 66.4 66.35 STD 0910-48772 - 66.41 66.36 0.01 0910-6642 - 66.41 66.36 0.01 0910-48782 - 66.42 66.37 0.02 0910-48792 - 77.01 76.97 0.01 0910-49264 - YZ250F 05-07 77 79.96 STD 0910-49474 - YZ250F 08-13 77 76.96 STD 0910-49724 - YZ250F 16-18 77 76.95 STD 0910-52973, 4, 7 0912-0755 77.01 76.96 0.01 0910-52983, 4, 7 0912-0755 YZ250F 19-23 77 76.95 STD 0910-61383, 4, 6 0912-0755 77.01 76.96 0.01 0910-61393, 4, 6 0912-0755 YZ250FX 17-19 77 76.95 STD 0910-52973, 4, 7 0912-0755 77.01 76.96 0.01 0910-52983, 4, 7 0912-0755 YZ250FX/WR250F 20-23 77 76.95 STD 0910-61383, 4, 6 0912-0755 77.01 76.96 0.01 0910-61393, 4, 6 0912-0755 YZ250X 16-23 66.4 66.35 STD 0910-6641 - 66.4 66.35 STD 0910-48772 - 66.41 66.36 0.01 0910-48782 - 66.42 66.37 0.02 0910-48792 - WR450F 03-15 95 94.96 STD 0910-61483 0912-0860 WR450F 16-18 97.01 96.97 0.01 0910-6162 0912-0862 WR450F 19-20 97 96.96 STD 0910-61373, 6 0912-0862 WR450F 21-23 97 96.96 STD 0910-61423, 4, 6 0912-0862 YZ250F 16-18 77 76.95 STD 0910-52973, 4, 7 0912-0755 YZ450F 03-04 95 94.96 STD 0910-61483 0912-0860 YZ450F 06-09 95 94.96 STD 0910-49503 0912-0860 95.02 94.98 0.02 0910-49523 0912-0860 YZ450F 10-13 97 96.96 STD 0910-61213 0912-0862 97.01 96.97 0.01 0910-61223 0912-0862 YZ450F 14-17 97.01 96.97 0.01 0910-6162 0912-0862 YZ450F 18-19 97 96.96 STD 0910-61373, 6 0912-0862 YZ450F 20-22 97 96.96 STD 0910-61423, 4, 6 0912-0862 YZ450F 23-24 97 96.96 STD 0910-6838 - 97 96.96 STD 0910-68397 - 97 96.96 STD 0910-68414 - 97 96.96 STD 0910-68424, 7 - YZ450FX 16-18 97.01 96.97 0.01 0910-6162 0912-0862 YZ450FX 19-20 97 96.96 STD 0910-61373, 6 0912-0862 YZ450FX 21-23 97 96.96 STD 0910-61423, 4, 6 0912-0862 2 Dual ring. 3 Two ring design. 4 Double bridge forging. 6 3D crown. 7 PRO series. 11 Intake window.
RkJQdWJsaXNoZXIy OTcxOTk3