BOLD MAGENTA part numbers are new for 2025 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2025 PISTON & PISTON KITS 1383 PISTON KITS (CONT) PISTON KITS continued on next page. FITS MODEL BORE SIZE (MM) PISTON SIZE (MM) OVERSIZE PISTON KIT PART # REPLACEMENT RING SET PART # KTM (CONT) 250 SX 05-23 66.4 66.34 STD 0910-48612 - 66.41 66.35 0.01 0910-48622 - 66.42 66.36 0.02 0910-48632 - 250 SX-F 06-12 76.01 75.97 0.01 0910-49573, 4 0912-0863 76.02 75.98 0.02 0910-49583, 4 0912-0863 250 SX-F/XC-F 13-15 78 77.96 STD 0910-49933, 4, 5 0912-0692 250 SX-F/XC-F 16-22 78 77.96 STD 0910-61343, 4, 5, 6 - 78.01 77.97 0.01 0910-61353, 4, 5, 6 - 250 SX-F 23-25 81 80.95 STD 0910-6835 - 81 80.95 STD 0910-68364 - 250 XC-F 06-12 76.01 75.97 0.01 0910-49573, 4 0912-0863 76.02 75.98 0.02 0910-49583, 4 0912-0863 250 XCF-W 07-12 76.01 75.97 0.01 0910-49573, 4 0912-0863 76.02 75.98 0.02 0910-49583, 4 0912-0863 250 XCF-W/EXC-F 07-13 76.01 75.97 0.01 0910-49573, 4 0912-0863 76.02 75.98 0.02 0910-49583, 4 0912-0863 250 XCF-W/EXC-F 14-22 78 77.96 STD 0910-49933, 4, 5 0912-0692 250 XC-W/EXC 06-23 66.4 66.34 STD 0910-48612 - 66.41 66.35 0.01 0910-48622 - 66.42 66.36 0.02 0910-48632 - 300 EGS/XC-W/EXC/MXC 96-03 72 71.93 STD 0910-47102 - 72.01 71.94 0.01 0910-47112 - 72.02 71.95 0.02 0910-47122 - 300 XC-W/EXC/MXC 04-05 72 71.94 STD 0910-48802 - 72.01 71.95 0.01 0910-48812 - 300 XC-W/EXC 06-23 72 71.94 STD 0910-66202 - 72.01 71.95 0.01 0910-66212 - 72.02 71.96 0.02 0910-66202 - 350 SX-F 11-15 88 87.95 STD 0910-49863 - 88.01 87.96 0.01 0910-49873 - 88.02 87.97 0.02 0910-49883 - 350 SX-F/XC-F 16-22 88 87.95 STD 0910-49861, 3 - 88.01 87.96 0.01 0910-49871, 3 - 88.02 87.97 0.02 0910-49881, 3 - 350 SX-F 23-25 88 87.95 STD 0910-6843 350 XC-F 12-15 88 87.95 STD 0910-49863 - 88.01 87.96 0.01 0910-49873 - 88.02 87.97 0.02 0910-49883 - 350 XCF-W/EXC-F 12-16 88 87.95 STD 0910-61273 - 350 XCF-W/EXC-F 17-19 88 87.95 STD 0910-61671, 3, 5, 7 - 88.01 87.96 0.01 0910-61361, 3, 5, 7 - 450 EXC-G Racing 03-06 89 88.96 STD 0910-49333 - 450 EXC-R 08-11 95 94.95 STD 0910-49693 0912-0860 95.01 94.96 0.01 0910-49703 0912-0860 450 MXC-G Racing 03-05 89 88.96 STD 0910-49333 - 450 SMR 08-12 97 96.96 STD 0910-61703 0912-0862 450 SMR 13-14 95 94.95 STD 0910-61243, 5 0912-0860 95 94.95 STD 0910-61253, 4, 5, 6, 7 0912-0860 95.01 94.96 0.01 0910-61263, 4, 5, 6, 7 0912-0860 450 SX-F 07-12 97 96.96 STD 0910-61703 0912-0862 450 SX-F 13-22 95 94.95 STD 0910-61243, 5 0912-0860 95 94.95 STD 0910-61253, 4, 5, 6, 7 0912-0860 95.01 94.96 0.01 0910-61263, 4, 5, 6, 7 0912-0860 450 SX-F 23-25 95 94.95 STD 0910-6844 - 95 94.95 STD 0910-68455, 7 - 450 SX-F Factory Ed. 13-16 95 94.95 STD 0910-61243, 5 0912-0860 95 94.95 STD 0910-61253, 4, 5, 6, 7 0912-0860 95.01 94.96 0.01 0910-61263, 4, 5, 6, 7 0912-0860 450 XC 08-09 89 88.96 STD 0910-49333 - 450 XC-W/EXC Racing 03-07 89 88.96 STD 0910-49333 - 450 XC-W/EXC 12-16 95 94.95 STD 0910-61313, 4, 5, 6 0912-0860 450 XC-F 07-10 97 96.96 STD 0910-61703 0912-0862 450 XCF-W 08-09 95 94.95 STD 0910-49693 0912-0860 95.01 94.96 0.01 0910-49703 0912-0860 1 Check piston clearance when using OEM crankshaft part number 7923001800 from 2016 (superceded to 79230018100). 2 Dual ring. 3 Two ring design. 4 Double bridge forging. 5 Gas ported. 6 3D crown. 7 PRO series.
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