BOLD MAGENTA part numbers are new for 2024 PARTSCANADA.COM 2024 | OFFROAD ENGINE 638 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 (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 54 125 54.0 STD - - 2126CS CW15 - B1001 Pro-Lite x 56.0 2.0 - - 2205CS *1989 model has Nikasil 54.5 Bore Cylinde rsleeving or replating required for oversizes CR125R 90-91 54 125 54.0 STD - - 2126CS CW15 - B1001 Pro-Lite x *Nikasil Bore - Cylinder sleeving 54.5 or replating required for oversizes CR125R 92-03 54 125 54.0 STD - 676M05400 2126CS CW15 - B1001 Pro-Lite x 56.0 2.0 - - 2614CD *Nikasil Bore - Cylinder sleeving 54.5 or replating required for oversizes CR250R 78-80 70 248 70.0 STD - - 2756CD CW18 - B1003 *Chrome Bore - Cylinder x 72.0 2.0 - - 2835CD sleeving or replating 64.4 required for oversizes *2756CDM rings required for Standard Chrome Bore CR250R 81-83 66 246 66.5 0.5 - - - CW18 - B1003 x 72 CR250R 84-85 66 246 66.0 STD - - - CW18 - B1003 Pro-Lite x 72 CR250R 86-96 66.4 249 66.4 STD - 614M06640 2614CD CW18 S-508 B1003 Pro-Lite x *Nikasil Bore - Cylinder sleeving or 72 replating required for oversizes CR250R 97-01 66.4 249 66.4 STD - 702M06640 - CW18 S-508 B1003 Pro-Lite x *Nikasil Bore - Cylinder sleeving 72 or replating required for oversizes CR250R 02-04 66.4 249 66.4 STD - 801M06640 2614CD CW18 S-508 B1003 Pro-Lite x 72 CR250R 05-07 66.4 249 66.4 STD - - - CW18 S-508 B1003 Single ring x Electra Coated 72 CR480R 82-83 89 472 89.0 STD - - - CW20 - B1004 Pro-Lite x ArmorGlide Skirt coating 76 CR500R 84-01 89 491 89.0 STD - - - CW20 - B1004 Pro-Lite x ArmorGlide Skirt coating 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 47.5 79.7 48.5 1.00 - 0910-0325 - - - - CRF80F 04-09 x 9.7:1 Compression 45 XR100R 85-03 53 99.2 53.5 0.5 - 0910-0328 - CW14 - - CRF100F 04-13 x 9.4:1 Compression 45 CRF150R 12-24 66 150 66.0 STD 0910-6085 - - - - - 11.7:1 Compression.ArmorGlide x 43.7 XR/XL185 + .100 Big Bore 86-02 65.5 192 65.5 STD - - - CW15 - - 10:1 Compression x 66.0 0.5 4156M06600 2598XC Cylinder boring required for oversizes 57.8 XR200 to 83 65.5 192 65.5 STD - - - CW15 - - 10:1 Compression x 66.0 0.5 4156M06600 2598XC 57.8 CRF230F 03-19 65.5 223 65.5 STD - 0910-0332 - CW15 - - 11:1 Compression x 66.2
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