BOLD MAGENTA part numbers are new for 2026 PARTSCANADA.COM 2026 | OFFROAD ENGINE ENGINE 748 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 # BETA 125 RR 2T 18-25 Nikasil Bore. Pro-Lite. 54 124 54 STD - 786M05400 - CW15 - B1013 x 54.5 GASGAS 2-STROKE MC 50 21-23 Pro-Lite. 39.5 50 39.5 STD 0910-6071 - - - - - x 40 MC 85 21-23 ArmorGlide skirt coated. 47 85 47 - - 0903-0586 - CW14 - B1012 x 48.95 MC 125 21-25 Nikasil Bore. Pro-Lite. 54 124 54 STD - 786M05400 - CW15 - B1013 x 54 EC 250 21-23, MC 250 22-25 Racer’s Choice 250cc; Single ring. Titanium nitride ring. ArmorGlide skirt coated. Electra coated. 66.4 249 66.4 STD - 824M06640 - CW18 - B1037 x 72 EC 250 21-25, EX/MC 250 22-25 Double ring. Pro-Lite. 66.4 249 66 STD - 0910-0778 - CW18 S-508 B1037 x 72 HONDA 2-STROKE CR85R 03-07 Nikasil Bore. Pro-Lite. 47.5 84.7 47.5 STD - 833M04750 - CW14 - B1012 x 47.8 CR125M 73-78, MT125 73-78 56 123 56 STD - - - CW14 - B1018 x 50 CR125R 79 Chrome Bore - Cylinder sleeving or replating required for oversizes. 56 123 56.5 0.5 - - - CW14 - B1018 x 50 CR125R 80-84 55.5 120 55.5 STD - - - CW14 - B1018 x 50 CR125R 85-86 54 124 54 STD - - - CW14 - B1006 x 54 CR125R 87 Pro-Lite. Power Valve must be modified for 0.040” and longer. 54 124 54 STD - - 2126CS CW14 - B1018 x 56 2.0 - - 2205CS 54 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. 54 125 54 STD - - 2126CS CW15 - B1001 x 54.5 CR125R 92-03 Nikasil Bore - Cylinder sleeving or replating required for oversizes. Pro-Lite. 54 125 54 STD - 676M05400 2126CS CW15 - B1001 x 56 2.0 - - 2614CD 54.5 TOP END BEARINGS •High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds CIRCLIPS • Two high-strength, easy-to-install circlips are furnished with every piston •Order additional inventory from the chart below •Sold in 2-pack WRIST PINS • Wiseco wrist pins are strong, lightweight and can be used with OEM pistons, too •Wiseco 2-stroke pistons include a wrist pin, unless indicated
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