BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | OFFROAD PISTON & PISTON KITS PISTON & PISTON KITS 1410 FITS MODEL BORE (MM) X STROKE (MM) DISPL. (CC) BORE SIZE (MM) OVER SIZES (MM) PK KIT PART # PISTON PART # REPL. RING SET PART # REPL. CIRCLIPS PART # REPL. WRIST PIN PART # TOP-END BEARING PART # KAWASAKI 4-STROKE (CONT) KX250F 15-16 77 250 77 STD - 0910-3915 0912-0140 - - - 13.8:1 Stock Compression x ArmorGlide skirt coated. 53.6 KX250F 15-16 77 250 77 STD - - 0912-0140 - - - 14.5:1 High-Compression x ArmorGlide skirt coated. 53.6 KX250/X 21-22 78 250 78 STD - 0910-6920 - - - - 14.2:1 Stock Compression x - 52.2 - KX250/X 23-24 78 250 78 STD - 0910-6922 - - - - 14.1:1 Stock Compression x - 52.2 - KX250/X 25 78 250 78 STD - 0910-6909 - - - - 14:1 Stock Compression x - 52.2 - KX250/X 25 78 250 78 STD - 0910-6910 - - - - 14.5:1 High-Compression x - 52.2 - KLX300 97-06 78 292 78 STD - 4630M07800 - CW17 - - 11:1 Compression x Electrofusion Bore - Cylinder sleeving or replating required for oversizes. 61.2 KLX400 03-04 90 398 90 STD 0903-0734 4713M09000 - CW20 - - 12:1 Stock Compression x 62.6 KLX400 03-04 90 398 90 STD 0903-0736 4714M09000 - CW20 - - 13.5:1 Compression x 92 2.0 62.6 KLX400 (all) 03-04 94.5 440 94.5 4.5 - - - CW20 - - 12.5:1 Compression x 440cc Big Bore Piston. 62.6 ArmorGlide skirt coated. Nikasil Bore - Cylinder sleeving or replating required for oversizes. KLX450R 08-09 96 449 96 STD - 0910-0769 0912-0122 - 0913-0012 - 12:1 Compression x ArmorGlide skirt coated. 62.1 Cylinder boring and replating required for oversizes. KLX450R 08-09 96 449 96 STD - - 0912-0122 - 0913-0012 - 13:1 Compression x ArmorGlide skirt coated. 62.1 Cylinder boring and replating required for oversizes. KX450F 06-08 96 449 96 STD 0903-0575 0910-0769 0912-0122 - 0913-0012 - 12:1 Compression x ArmorGlide skirt coated. 62.1 Cylinder boring and replating required for oversizes. KX450F 06-08 96 449 96 STD 0903-0576 - 0912-0122 - 0913-0012 - 13:1 Compression x ArmorGlide skirt coated. 62.1 Cylinder boring and replating required for oversizes. KX450F 09-12 96 449 96 STD 0903-0936 0910-2935 0912-0122 - 0913-0012 - 12.5:1 Stock Compression x ArmorGlide skirt coated. 62.1 KX450F 09-12 96 449 96 STD 0903-0935 - 0912-0122 - 0913-0012 - 13.5:1 High-Compression x ArmorGlide skirt coated 62.1 KX450F 13-14/16-18 96 449 96 STD - 0910-3172 0912-0122 - 0913-0012 - 12.5:1 Stock Compression x 62.1 KX450F 15 96.03 449 96.03 STD - 0910-3942 0912-0122 - 0913-0012 - 13.5:1 High-Compression x ArmorGlide skirt coated 62.3 KX450/X 24-26 96 450 96 STD - 0910-6912 - - - - 12.5:1 Stock Compression x - ArmorGlide skirt coated. 62.1 - KX450/X 24-26 96 450 96 STD - 0910-6913 - - - - 13.5:1 High-Compression x - ArmorGlide skirt coated. 62.1 - KLX650C 93-95, KLX650R 96-01 100 - 100 STD - 0910-3949 - - - - 9.5:1 Stock Compression x 100.5 - 82 HIGH-PERFORMANCE PISTONS (CONT)
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