BOLD MAGENTA part numbers are new for 2024 ENGINE PARTSCANADA .COM OFFROAD | 2024 637 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. 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 # GASGAS 2-STROKE MC50 21-23 39.5 50 39.5 0910-6071 - - - - - Pro-Lite X 40 MC85 21-23 47 85 47.00 - - 0903-0586 - CW14 - B1012 ArmorGlide x 48.95 MC125 21-24 54 124 54.0 STD - 786M05400 - CW15 - B1013 *Nikasil Bore - Cylinder sleeving or x replating required for oversizes 54 EC 250 21-23 66.4 249 66.4 STD - 824M06640 - CW18 - B1037 Pro-Lite x Single Ring 72 EC 250 21-23 66.4 249 66.40 STD - 0910-0778 - CW18 S-508 B1037 Pro-Lite x Double Ring 72 GASGAS 4-STROKE MC250F 21-22 78 250 78.0 STD 0910-6074 - 0912-0120 - - - EX250F 21-22 x 14.4:1 Compression 52.30 ArmorGlide. Strutted forging HONDA 2-STROKE CR80R 86-91 47 82.9 47.0 STD - - - CW14 - B1012 Pro-Lite x *Nikasil Bore - Cylinder sleeving 47.8 or replating required for oversizes CR80R 86-02 47 82.9 47.0 STD - - - CW14 - B1012 GP style - Electra Coated x 90.1 49.0 2.0 47.8 CR85R 03-07 47.5 84.7 47.5 STD - 833M04750 - CW14 - B1012 Pro-Lite x Nikasil Bore 47.8 CR125M 73-78 56 123 56.0 STD - - - CW14 - B1018 MT125 73-78 x 50 CR125R 79 56 123 56.5 0.5 - - - CW14 - B1018 *Chrome Bore Cylinder x sleeving or replating 50 required for oversizes CR125R 80-84 55.5 120 55.5 STD - - - CW14 - B1018 x 50 CR125R 85-86 54 x 54 124 54.0 STD - - - CW14 - B1006 CR125R 87 54 124 54.0 STD - - 2126CS CW14 - B1018 Pro-Lite x 56.0 2.0 - - 2205CS *Power Valve must 54 be modified for .040 and longer 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 unless noted 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 HIGH-PERFORMANCE PISTONS (CONT)
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