BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | ATV/UTV PISTON & PISTON KITS PISTON & PISTON KITS 1064 REPL. RING SETS PART NUMBER 1969CD 1988CD 2008CD 2205CD 2224CD 2520CD 2539CD 2549CD 2559XC 2559CD 2569CD 2579CD 2579XC 2598XC PART NUMBER 2598CD 2608CD 2618CD 2618XC 2628CD 2638XC 2638CD 2648CD 2652CD 2658CD 2658XC 2668CD 2677CD 2687CD PART NUMBER 2697CD 2717CD 2736CD 2756CD 2776CD 2786CD 2795CD 2795XC 2815CD 2835CD 2854CD 2874CD 2894CD 2913XC PART NUMBER 2913CD 2933XC 2973XC 2992XC 3169TD 3189XG 3228TD 3228XG 3268XC 3287XC 3287TD 3307XC 3347XC 3386XC PART NUMBER 3386TD 3405TD 3425XC 3425TD 3465XC 3544XC 3642XC 3740XH 0912-0113 0912-0114 REPLACEMENT WRIST PIN DIMENSIONS PART # OD/LENGTH S-257 18 mm/2.200” S-270 16 mm/1.840” S-278 18 mm/2.475” S-376 19 mm/2.500” PART # OD/LENGTH S-459 18 mm/1.850” S-482 18 mm/1.948” S-484 18 mm/2.291” S-486 16 mm/2.175” PART # OD/LENGTH S-508 18 mm/2.1062” S-512X 20 mm/2.362” S-513 18 mm/2.300” S-522 15 mm/2.200” PART # OD/LENGTH S-523 17 mm/2.430” S-529 21 mm/2.755” S553 12 mm/1.5354” S591 23 mm/2.126” REPLACEMENT CIRCLIPS DIMENSIONS PART # SIZE CW12 12 mm CW13 13 mm PART # SIZE CW14 14 mm CW15 15 mm PART # SIZE CW16 16 mm CW17 17 mm PART # SIZE CW18 18 mm CW20 20 mm PART # SIZE CW21 21 mm CW24 24 mm TOP END BEARING DIMENSIONS PART # DIMENSIONS (MM) 0924-0124 20 x 25 x 21.8 B1000 12 x 16 x 16 B1002 18 x 23 x 24 PART # DIMENSIONS (MM) B1003 18 x 22 x 22 B1005 16 x 21 x 23 B1008 16 x 21 x 19.5 PART # DIMENSIONS (MM) B1014 18 x 23 x 22 B1016 16 x 20 x 19.5 B1021 16 x 20 x 22.5 PART # DIMENSIONS (MM) B1022X 18 x 22 x 23.6 B1023 20 x 25 x 25 FITS MODEL STOCK BORE X STROKE (MM) BORE SIZE (MM) OVERIZE (MM) DISPLACEMENT (CC) COMPRESSION RATIO PISTON PART # PK KIT PART # RING SET PART # CIRCLIP PART # WRIST PIN PART # TOP-END BEARING PART # YAMAHA (4-STROKE) (CONT) YFM600 Grizzly 98-01 95 x 84 95.0 STD 598 Stock 0910-0004 0903-0314 3740XH - - - 96.0 1.00 4797M09600 0903-0356 - 97.0 2.00 0910-0286 0903-0315 - YFM660R Raptor 01-05 ArmorGlide skirt-coated 100 x 84 100.0 STD 660 9.9:1 0910-2859 - - - - - 100.5 0.50 - 0903-0622 - 101.0 1.00 0910-2861 - - 102.0 2.00 0910-2862 - - YFM660R Raptor 01-05 ArmorGlide skirt coated 100 x 84 100 STD 660 11:1 4737M10000 0903-0357 - - - - 100.5 0.50 4737M10050 - - YFM660R Raptor 01-05 ArmorGlide skirt coated 102 x 84 102 2.00 686 11:1 0910-0287 - - - - - YFM660F Grizzly 02-08, YXR660F Rhino 660 05-07 100 x 84 100.0 STD 660 9.9:1 0910-2859 0903-0625 - - - - 100.5 0.50 - 0903-0626 - 101.0 1.00 0910-2861 0903-0627 - 102.0 2.00 0910-2862 - - YFM660F Grizzly 02-08, YXR660F Rhino 660 05-07 100 x 84 100.0 STD 660 11:1 4737M10000 - - - - - 100.5 0.50 4737M10050 - - YFM660F Grizzly 02-08, YXR660F Rhino 660 05-07 ArmorGlide skirt coated 102 x 84 102.0 2.00 686 11:1 0910-0287 - - - - - YFM700R Raptor 06-14 ArmorGlide skirt coated Nikasil Bore – cylinder sleeving or replating required for oversizes 102 x 84 102.0 STD 686 9.2:1 0910-0859 - - - - - - YFM700 Grizzly 07-13, YXR700 Rhino 08-13 ArmorGlide skirt coated 102 x 84 102.0 STD 686 9.2:1 0910-0859 0903-0508 - - - - 103.0 1.00 700 - 0903-0619 - YFM700F Grizzly 14-15, YFM700 Kodiak 19-25, YXM7 Viking 700 14-25, YFM700 Raptor 15-25 102 x 84 102.0 STD 686 10:1 0910-3931 - - - - - YXE700R Wolverine R-Spec 16-17, YFM700F Grizzly 16-18, YFM700 Kodiak 16-18 ArmorGlide skirt coated 103 x 85 103.0 STD 708 11:1 0910-4178 - - - - - HIGH-PERFORMANCE PISTONS (CONT)
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