2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1044 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 # GAS GAS 2‑STROKE (CONT) EC 250R 14‑18, EC 250 97‑14, 66.4 249 66.4 STD - 0910-1698 2614CD CW18 S-508 - SM 250 97‑08, MC 250 97‑08 x 72 EC 300R 14‑18, EC300 00‑14 72 293 72 STD - 0910-1699 2835CD CW18 S-508 - x 72 GAS GAS 4‑STROKE EC 250F 10‑15 77 250 77.0 STD 0903-0559 0910-0808 - CW16 0913-0008 - 12.5:1 Compression x 263 79.0 2.00 - - 3110XG Nikasil Bore ‑ Cylinder sleeving 53.6 or replating required for oversizes EC 250F 10‑15 77 250 77.0 STD 0903-0558 0910-0810 0912-0140 CW16 0913-0008 - 13.5:1 Compression x 263 79.0 2.00 - - 3110XG ArmorGlide skirt coated 53.6 2 Ring. Race Only. Nikasil Bore ‑ Cylinder sleeving or replating required for oversizes EC 450F 13‑15 95 449 95.0 STD - 0910-0373 - CW18 - - 12.3:1 STD bore; 13.5:1 for +2.00 bore x Nikasil Bore ‑ Cylinder 63.4 sleeving or replating required for oversizes. ArmorGlide skirt coated HONDA 2‑STROKE CR80R 80‑82 49.5 79.7 49.5 STD - - 1949CD CW12 S538 2 B1015 TC80 70‑78 x 50.0 0.5 - 450M05000 1969CD 41.4 50.5 1.0 - - 1988CD 51.0 1.5 - 450M05100 2008CD CR80R 84 49.5 79.7 49.5 STD - - 1949CD CW12 S538 2 B1015 x 50.0 0.5 - - 1969CD 41.4 50.5 1.0 - 509M05050 1988CD 51.0 1.5 - - 2008CD CR80R 85 47 82.9 47.0 STD - - 1850CD CW13 - - x 47.5 0.5 - - 1869CD 47.8 48.0 1.0 - - 1890CD 48.5 1.5 - - 1909CD 49.0 2.0 - - 1929CD CR80R 86‑91 47 82.9 47.0 STD 0903-0280 643M04700 1850CS CW14 S-517 B1012 Pro‑Lite x 47.5 0.5 - 643M04750 1869CS *Nikasil Bore – Cylinder sleeving or replating required for oversizes 47.8 48.0 1.0 - 643M04800 1890CS 49.0 2.0 - 0910-1221 1929CS CR80R 86‑02 46 79.4 46 STD - 0910-1227 - CW14 S-517 B1012 Pro‑Lite x International bore. Not available in the U.S. 47.8 CR80R 92‑02 47 82.9 47.0 STD 0903-0298 643M04700 1850CS CW14 S-517 B1012 Pro‑Lite x 47.5 0.5 0903-0186 643M04750 1869CS *Nikasil Bore – Cylinder sleeving or replating required for oversizes 47.8 48.0 1.0 0903-0187 643M04800 1890CS 49.0 2.0 0903-0518 0910-1221 1929CS CR80R 86‑02 47 82.9 47.0 STD - 798M04700 1850CS CW14 S-517 B1012 GP style ‑ Electra Coated x 90.1 49.0 2.0 - - 1929CS 47.8 CR80R 93‑02 ‑ Supermini 52 101.5 52.0 5.00 0903-0285 0910-0322 - CW14 - B1012 CR85R 03‑07 x 47.8 CR85R 03‑07 47.5 84.7 47.5 STD 0903-0302 833M04750 1869CS CW14 S-517 B1012 Pro‑Lite x 48.0 0.5 0903-0670 0910-1252 1890CS Nikasil Bore 47.8 48.5 1.0 0903-0545 0910-1253 1909CS 49.5 2.0 0903-0175 833M04950 1949CS 50.5 3.0 0903-0183 833M05050 - CR85R 03‑07 47.5 84.7 47.5 STD - 0910-0323 1869CS CW14 S-517 - GP style – Electra Coated x 47.8 CR125M 73‑78 56 123 56.0 STD - 339M05600 2205CD CW14 S-394 2 B1018 MT125 73‑78 x 56.5 0.5 - - 2224CD 50 57.0 1.0 - 339M05700 2244CD 57.5 1.5 - 339M05750 -