2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1046 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION. HIGH-PERFORMANCE PISTONS (CONT) 2 Piston pin not included. 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 # HONDA 2‑STROKE (CONT) CR125R 03 54 125 54.0 STD 0903-0286 676M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.5 0.5 - 676M05450 2146CS *Nikasil Bore ‑ 54.5 55.0 1.0 - 676M05500 2165CS Cylinder sleeving or replating required for oversizes 56.0 2.0 0903-0203 676M05600 2205CS CR125R 03 54 125 54 STD 0903-0732 0910-0729 2126CS CW15 - - Racer’s Choice GP Style x 134 56 2.0 0903-0733 0910-0730 2205CS Electra Coated. No intake window. Pinned on centerline. Longer skirt than stock 54.5 *Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes CR125R 04 54 125 54.0 STD - 0910-0733 2126CS CW15 - B1001 Pro Lite x 56.0 2.00 - - 2205CS 54.5 CR125R 04 54 125 54.00 STD 0903-0532 0910-0731 2126CS CW15 - B1001 Racer’s Choice GP Style x 56.00 2.00 0903-0683 0910-0732 2205CS Electra Coated *Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes 54.5 57.00 3.00 - 0910-1254 2244CS CR125R 05‑07 54 125 54.0 STD 0903-0520 0910-0735 2126CS CW15 - - Pro Lite x 54.5 CR125R 05‑07 54 125 54.00 STD 0903-0521 0910-0731 2126CS CW15 - B1001 Racer’s Choice GP Style x 56.00 2.00 - 0910-0732 2205CS Electra Coated *Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes 54.5 3.00 - 0910-1254 2244CS CR250M 75‑77 70 248 70.0 STD - 338M07000 2756CD CW18 S-343 B1003 MT/​MR250 75‑77 x 70.5 0.5 - 338M07050 2776CD 64.4 71.0 1.0 - 338M07100 2795CD 71.5 1.5 - 338M07150 2815CD 72.0 2.0 - 338M07200 2835CD CR250R 78‑80 70 248 70.0 STD - 431M07000 2756CD CW18 S-343 B1003 *Chrome Bore ‑ Cylinder x 70.5 0.5 - 431M07050 2776CD sleeving or replating 64.4 70.75 0.75 - - 2786CD required for oversizes 71.0 1.0 - 431M07100 2795CD *2756 CDM rings required for 71.5 1.5 - 431M07150 2815CD Standard Chrome Bore 72.0 2.0 - 431M07200 2835CD CR250R 81‑83 66 246 66.0 STD - 466M06600 2598CD CW18 S-257 2 B1003 x 66.5 0.5 - - 2618CD 72 67.0 1.0 - 466M06700 2638CD 67.5 1.5 - - 2658CD CR250R 84‑85 66 246 66.0 STD - 526M06600 2598CD CW18 S-511X B1003 Pro‑Lite x 66.25 0.25 - 526M06625 2608CD 72 66.5 0.5 - 526M06650 2618CD 66.75 0.75 - 526M06675 2628CD 67.0 1.0 - 526M06700 2638CD 67.25 1.25 - 526M06725 2648CD 67.5 1.5 - 526M06750 2658CD 68.0 2.0 - 526M06800 2677CD CR250R 86‑89 66.4 249 66.4 STD 0903-0273 614M06640 2614CD CW18 S-508 B1003 Pro‑Lite x 67.0 0.6 0903-0200 614M06700 2638CD *Nikasil Bore ‑ Cylinder sleeving or 72 67.5 1.1 - 614M06750 2658CD replating required for oversizes 68.0 1.6 - 614M06800 2677CD 68.5 2.1 - 614M06850 2697CD CR250R 90‑91 66.4 249 66.4 STD 0903-0274 614M06640 2614CD CW18 S-508 B1003 Pro‑Lite x 67.0 0.6 - 614M06700 2638CD *Nikasil Bore ‑ Cylinder sleeving or 72 67.5 1.1 - 614M06750 2658CD replating required for oversizes 68.0 1.6 - 614M06800 2677CD 68.50 2.1 - 614M06850 2697CD CR250R 92‑96 66.4 249 66.4 STD 0903-0292 614M06640 2614CD CW18 S-508 B1003 Pro‑Lite x 67.00 0.6 0903-0272 614M06700 2638CD *Nikasil Bore ‑ Cylinder sleeving or 72 67.5 1.1 - 614M06750 2658CD replating required for oversizes 68.00 1.6 - 614M06800 2677CD 68.50 2.1 0903-0258 614M06850 2697CD CR250R 97‑01 66.4 249 66.4 STD 0903-0311 702M06640 2614CD CW18 S-508 B1003 Pro‑Lite x 67.0 0.6 0903-0219 702M06700 2638CD *Nikasil Bore ‑ 72 67.5 1.1 0903-0208 702M06750 2658CD Cylinder sleeving or replating 68.0 1.6 0903-0202 702M06800 2677CD required for oversizes 68.5 2.1 0903-0523 0910-1232 2697CD