2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1045 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) HIGH PERFORMANCE PISTONS continued on next page. 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 # 58.0 2.0 - 339M05800 2284CD HONDA 2‑STROKE (CONT) CR125R 79 56 123 56.0 STD - - - CW14 S-394 2 B1018 *Chrome Bore – Cylinder x 56.5 0.5 - 448M05650 2224CD sleeving or replating 50 57.0 1.0 - - 2244CD required for oversizes 57.5 1.5 - 448M05750 - CR125R 80‑84 55.5 120 55.5 STD - 448M05550 2185CD CW14 S-394 2 B1018 x 56.0 0.5 - - 2205CD 50 56.5 1.0 - 448M05650 2224CD 57.0 1.5 - - 2244CD 57.5 2.0 - 448M05750 - CR125R 85‑86 54 124 54.0 STD - 518M05400 2126CD CW14 0913-0006 B1006 Pro‑Lite x 54.25 0.25 - - 2136CD 54 54.5 0.5 - 518M05450 2146CD 55.0 1.0 - 518M05500 2165CD 55.5 1.5 - 518M05550 2185CD 56.0 2.0 - 518M05600 2205CD CR125R 87 54 124 54.0 STD - 553M05400 2126CS CW14 S-288 B1018 Pro‑Lite x 55.0 1.0 - 553M05500 2185CS *Power Valve must 54 56.0 2.0 - 553M05600 2205CS be modified for .040 and longer CR125R 88‑89 54 125 54.0 STD - 564M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.25 0.25 - - 2136CS *1989 model has Nikasil 54.5 54.5 0.5 - - 2146CS Bore – Cylinder 55.0 1.0 - 564M05500 2165CS sleeving or replating required for oversizes 55.5 1.5 - 564M05550 2185CS 56.0 2.0 - 0910-1216 2205CS CR125R 90‑91 54 125 54.0 STD - 595M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.5 0.5 - - 2146CS *Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes 54.5 55.0 1.0 - 595M05500 2165CS CR125R 92‑97 54 125 54.0 STD 0903-0295 676M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.50 0.5 0903-0244 676M05450 2146CS *Nikasil Bore ‑ 54.5 55.0 1.0 0903-0517 676M05500 2165CS Cylinder sleeving or replating 56.0 2.0 0903-0522 676M05600 2205CS required for oversizes CR125R 95‑97 54 125 54 STD 0903-0726 0910-0729 2126CS CW15 - - Racer’s Choice GP Style x 134 56 2.0 - 0910-0730 2205CS Electra Coated. No intake window. Pinned on 54.5 centerline. Longer skirt than stock *Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes CR125R 98‑99 54 125 54.0 STD 0903-0293 676M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.5 0.5 - 676M05450 2146CS *Nikasil Bore ‑ 54.5 55.0 1.0 0903-0234 676M05500 2165CS Cylinder sleeving or replating required for oversizes 56.0 2.0 0903-0245 676M05600 2205CS CR125R 98‑99 54 125 54 STD 0903-0728 0910-0729 2126CS CW15 - - Racer’s Choice GP Style x 134 56 2.0 - 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 00 54 125 54.0 STD 0903-0284 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 - 676M05600 2205CS CR125R 01‑02 54 125 54.0 STD 0903-0301 676M05400 2126CS CW15 S-467 B1001 Pro‑Lite x 54.5 0.5 0903-0179 676M05450 2146CS *Nikasil Bore ‑ 54.5 55.0 1.0 0903-0259 676M05500 2165CS Cylinder sleeving or replating 56.0 2.0 0903-0217 676M05600 2205CS required for oversizes CR125R 00‑02 54 125 54 STD 0903-0730 0910-0729 2126CS CW15 - - Racer’s Choice GP Style x 134 56 2.0 0903-0731 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