BOLD MAGENTA part numbers are new for 2026 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2026 PISTON & PISTON KITS 1409 HIGH-PERFORMANCE PISTONS continued on next page. 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 2-STROKE (CONT) KDX250 91-94, KX250 90-91 67.4 249 67.4 STD - 607M06740 2652CD CW18 S-508 B1022X Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 70 68 68.5 0.6 1.1 - - 607M06800 607M06850 2677CD 2697CD Pro-Lite. KX250 92 66.4 249 66.4 STD - 617M06640 2614CD CW18 S-508 B1022X Electrofusion Bore - Cylinder sleeving or replating required for oversizes. Pro-Lite. x 67 0.6 - 617M06700 2638CD 72 67.5 1.1 - 617M06750 2658CD 685 2.1 - 0910-1217 2697CD KX250 93 66.4 249 66.4 STD - 617M06640 2614CD CW18 S-508 B1022X Electrofusion Bore - Cylinder sleeving or replating required for oversizes. Pro-Lite. x 67 0.6 - 617M06700 2638CD 72 67.5 1.1 - 617M06750 2658CD 685 2.1 - 0910-1217 2697CD KX250 94-00 66.4 249 66.4 STD - 617M06640 2614CD CW18 S-508 B1022X Electrofusion Bore - Cylinder sleeving or replating required for oversizes. Pro-Lite. x 67 0.6 - 617M06700 2638CD 72 67.5 1.1 - 617M06750 2658CD 68.5 2.1 0903-0547 0910-1217 2697CD KX250 01 66.4 249 66.4 STD - 617M06640 2614CD CW18 S-508 B1022X Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 72 67 67.5 0.6 1.1 - - 617M06700 617M06750 2638CD 2658CD Pro-Lite. KX250 02-04 66.4 249.3 66.4 STD - 799M06640 2614CD CW18 S-508 B1022X Pro-Lite. x 67.5 1.1 - 0910-1242 2658CD 72 KX250 05-08 66.4 249.3 66.4 STD 0903-0519 - 2614CD CW18 S-508 B1022X Pro-Lite. x 68.5 2.1 - - 2697CD 72 KX250 05-08 66.4 249.3 66.4 STD - - 0912-0106 CW18 S-508 B1022X Racer’s Choice 250cc; Single ring. x Electra coated.ArmorGlide skirt coated. 72 Pro-Lite. KX500 88-04 86 499 86 STD - 575M08600 3386TD - S-376 0924-0123 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 86.5 0.5 - 575M08650 3405TD 86 87 1.0 - 575M08700 3425TD 88 2.0 - 0910-2866 - KAWASAKI 4-STROKE KLX110/L 02-24, KLX110R 21-24 53 112 53.5 0.5 - 0910-0764 0912-0124 CW13 0913-0005 - 11:1 Compression x 54 1.0 - 0910-0765 0912-0125 Cylinder boring required for oversizes. 50.6 54.5 1.5 - - 0912-0126 55 2.0 - - 0912-0127 KLX125 02-06 57 125 57 STD - 0910-0359 - CW14 - - 11:1 High-Compression x 58 1.0 - 0910-0361 - 48.8 61 4.0 - - - KX250F 04-05 77 250 77 STD 0903-0555 0910-0354 0912-0140 CW16 - - Standard Compression x Cylinder boring and replating required for oversizes. 53.6 KX250F 04-05 77 250 77 STD - 0910-0356 0912-0140 CW16 - - High-Compression (+1.0) x 53.6 KX250F 04-05 77 290 83 6 - - 3268XG CW16 - - 13.5:1 Compression x 290cc Big Bore kit. 53.6 ArmorGlide Skirt Coated. KX250F 06 77 250 77 STD - 0910-1670 0912-0140 CW16 - - 13.5:1 Compression x ArmorGlide skirt coated. 53.6 KX250F 07-08 77 250 77 STD 0903-0932 0910-0844 0912-0140 CW16 - - 13.5:1 Compression x ArmorGlide skirt coated. 53.6 KX250F 07-08 77 250 77 STD - - 0912-0140 CW16 - - 14:1 Compression x ArmorGlide skirt coated. 53.6 KX250F 10 77 250 77 STD - - 0912-0140 CW16 - - 13.2:1 Stock Compression x ArmorGlide skirt coated. 53.6 KX250F 11-14 77 250 77 STD 0903-0941 0910-2895 0912-0140 - - - 13.5:1 Stock Compression x ArmorGlide skirt coated. 53.6 KX250F 11-14 77 250 77 STD 0903-0942 0910-2896 0912-0140 - - - 14.5:1 High-Compression x ArmorGlide skirt coated. 53.6 HIGH-PERFORMANCE PISTONS (CONT)
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