BOLD MAGENTA part numbers are new for 2025 PISTON & PISTON KITS PARTS-UNLIMITED.COM ATV/UTV | 2025 PISTON & PISTON KITS 1073 HIGH-PERFORMANCE PISTONS (CONT) HIGH-PERFORMANCE PISTONS continued on next page. 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 # HONDA (4-STROKE) (CONT) TRX450R/ER 06-14 96 x 64.8 96.0 STD 450 13.5:1 0910-1671 0903-0480 - CW21 - - ArmorGlide skirt coated TRX650 Rincon 03-05 100 x 82.6 102.0 STD 649 11:1 0910-4154 - - - - - TRX680 Rincon 06-23, 102 x 82.6 102.0 STD 675 10:1 0910-3924 - - - - - SXS700M Pioneer 700 14-23 103.0 1.00 688 10:1 0910-3925 - - - TRX700XX 08-12 102 x 84 104.0 2.00 - 10.5:1 0910-4163 - - CW24 - - KAWASAKI (2-STROKE) KFX80 03-06 50 x 42 50.0 STD 82 Stock 673M05000 0903-0343 1969CD CW12 - B1000 50.5 0.50 673M05050 0903-0369 1988CD 51.0 1.00 - 0903-0370 2008CD 52.0 2.00 0910-0380 0903-0336 - KXT250 Tecate 84-87 70 x 64.9 70.0 STD 249 Stock 439M07000 - 2756CD CW18 S-513 B1022X *Electrofusion Bore 70.5 0.50 - - 2776CD 71.0 1.00 - - 2795CD 71.5 1.50 - - 2815CD 72.0 2.00 - - 2835CD Tecate-4 250 87-88 (4 Wheeler Only) 67.4 x 70 67.4 STD 249 Stock 556M06740 - 2652CD CW18 S-508 B1022X Pro-Lite 68.0 0.60 - - 2677CD *Electrofusion Bore – 68.5 1.10 556M06850 - 2697CD Cylinder sleeving or replating 69.0 1.60 - - 2717CD required for oversizes 69.5 2.10 - - 2736CD KAWASAKI (4-STROKE) KLF220 Bayou 88-03 67 x 61 67.0 STD 215 9.3:1 - 0903-0324 2638XC CW16 - - 67.5 0.50 - 0903-0355 2658XC 68.0 1.00 - 0903-0325 - KSF250 Mojave 87-05 74 x 58 74.0 STD 249 11.5:1 - 0903-1276 2913XC CW18 - - (Liquid Cooled) 74.5 0.50 4418M07450 - 2933XC 75.0 1.00 - - 2953XC KLF300 Bayou/4X4 86-03 76 x 64 76.0 STD 290 8.6:1 - 0903-0331 2992XC CW18 - - KEF300 Lakota Sport 95-03 76.5 0.50 4671M07650 0903-0371 - KVF300 Prairie/4X4 99-03 KFX400 03-06 90 x 62.6 90.0 STD 398 12.2:1 4713M09000 - - CW20 - - Nikasil Bore – cylinder sleeving or replating required for oversizes 92.0 2.00 KFX400 03-06 90 x 62.6 90.0 STD 398 13.5:1 4714M09000 - - CW20 - - Nikasil Bore – cylinder sleeving or replating required for oversizes KFX450R 08-14 96 x 62.1 96.0 STD 449 12.4:1 0910-2863 0903-1287 - CW21 - - Nikasil Bore ArmorGlide skirt coated KVF650 Prairie 02-03 80 x 63 80.0 STD 633 11:1 4782M08000 - - CW20 - - Brute Force 650 05-10 KFX700 04-10 82 x 66 82.0 2.00 - 11.5:1 0910-2840 0903-1280 3307XC CW20 - - Prairie 700 04-06 - - *Cylinder deglazing required *Kit includes pistons, rings, retainer clips, and piston pins Brute Force 750 05-11 85 x 66 85.0 STD 749 11.5:1 0910-2842 - 3347XC CW20 - - Teryx 750 4x4 08-11 *Cylinder deglazing required *Kit includes pistons, rings, retainer clips, and piston pins Brute Force 750 12-14 85 x 66 85.0 STD 749 11.5:1 0910-4182 - 3347XC CW20 - - Teryx 750 4x4 12-14 *Cylinder deglazing required *Kit includes pistons, rings, retainer clips, and piston pins ArmorGlide coated KTM 525 XC 08-12 95 x 72 95.0 STD 510 11:1 - 0903-1161 - CW20 - - 2.00 12.5:1 - 0903-1162 - POLARIS (2-STROKE) Predator/Sportsman 90 01-05 52 x 41.9 52.0 STD - Stock 0910-0381 - - CW12 - - Scrambler 90 01-05 52.5 0.50 0910-0382 - - 53.0 1.00 0910-0383 - - Trail Boss 250 4x4 72 x 60 72.0 STD 244 Stock 536M07200 0903-0362 2835CD CW18 S-459 B1014 Scrambler 250 72.5 0.50 536M07250 0903-0377 2854CD Trail Blazer 250 85-05 73.0 1.00 536M07300 0903-0375 2874CD 73.5 1.50 - 0903-0368 2894CD 74.0 2.00 536M07400 0903-0351 2913CD
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