BOLD MAGENTA part numbers are new for 2025 ENGINE PARTSCANADA .COM OFFROAD | 2025 ENGINE 721 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. HIGH-PERFORMANCE PISTONS continued on next page. HIGH-PERFORMANCE PISTONS (CONT) FITS MODEL BORE (MM) X STROKE (MM) DISP. (CC) BORE SIZE (MM) OVERSIZES (MM) PK KIT PART # PISTON PART # REPL. RING SET PART # REPL. CIRCLIPS PART # (PR.) REPL. WRIST PIN PART # TOP-END BEARING PART # HONDA 2-STROKE (CONT) CR125R 88-89 Pro-Lite 1989 model has Nikasil Bore Cylinder sleeving or replating required for oversizes 54 125 54 STD - - 2126CS CW15 - B1001 x 56 2.0 - - 2205CS 54.5 CR125R 90-91 Pro-Lite Nikasil Bore - Cylinder sleeving or replating required for oversizes 54 125 54 STD - - 2126CS CW15 - B1001 x 54.5 CR125R 92-03 Pro-Lite Nikasil Bore - Cylinder sleeving or replating required for oversizes 54 125 54 STD - 676M05400 2126CS CW15 - B1001 x 56 2.0 - - 2614CD 54.5 CR250R 78-80 Chrome Bore - Cylinder sleeving or replating required for oversizes 2756CDM rings required for Standard Chrome Bore 70 248 70 STD - - 2756CD CW18 - B1003 x 72 2.0 - - 2835CD 64.4 CR250R 81-83 66 246 66.5 0.5 - - - CW18 - B1003 x 72 CR250R 84-85 Pro-Lite 66 246 66 STD - - - CW18 - B1003 x 72 CR250R 86-96 Pro-Lite Nikasil Bore 66.4 249 66.4 STD - 614M06640 2614CD CW18 S-508 B1003 x 72 CR250R 97-01 Pro-Lite Nikasil Bore 66.4 249 66.4 STD - 702M06640 - CW18 S-508 B1003 x 72 CR250R 02-04 Pro-Lite 66.4 249 66.4 STD - 801M06640 2614CD CW18 S-508 B1003 x 72 CR250R 05-07 Single ring Electra Coated 66.4 249 66.4 STD - - - CW18 S-508 B1003 x 72 CR480R 82-83 Pro-Lite ArmorGlide Skirt coating 89 472 89 STD - - - CW20 - B1004 x 76 CR500R 84-01 Pro-Lite ArmorGlide Skirt coating 89 491 89 STD - - - CW20 - B1004 x 79 HONDA MOTORCYCLE 4-STROKE (CORRECT REPLACEMENT RING STYLE IS STAMPED ON DOME OF PISTON; EXAMPLE“C”FOR XC,“G”FOR XG AND“H”FOR XH) XR80R 79-91, CRF80F 04-09 9.7:1 Compression 47.5 79.7 48.5 1.0 - 0910-0325 - - - - x 45 XR100R 85-03, CRF100F 04-13 9.4:1 Compression 53 99.2 53.5 0.5 - 0910-0328 - CW14 - - x 45 XR/XL185 + 0.100 Big Bore 86-02 10:1 Compression Cylinder boring required for oversizes 65.5 192 65.5 STD - - - CW15 - - x 66 0.5 4156M06600 2598XC 57.8 XR200 to 83 10:1 Compression 65.5 192 65.5 STD - - - CW15 - - x 66 0.5 4156M06600 2598XC 57.8
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