BOLD MAGENTA part numbers are new for 2024 PARTSCANADA.COM 2024 | OFFROAD ENGINE 644 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 # SUZUKI 2-STROKE (CONT) RM125 99-03 54 125 54.0 STD - 755M05400 - CW15 - B1013 Racer’s choice flat-top conversion; x no intake window. Pinned on centerline 54.5 SCEM Cylinder - sleeving or replating required for oversizes RM125 04-10 54 125 54.0 STD - 0910-0357 - CW15 - B1013 Pro-Lite x SCEM Cylinder - sleeving or replating 54.5 required for oversizes TC185 74-77 64 183 64.5 0.5 - - - CW16 - B1008 TS185 71-81 x D185S 78-80 57 TS250 thru 76, 78-81 70 246 72.0 2.0 - - 2835CD CW18 - - TM250 thru 76 x RL250 thru 76 64 RM250 00-02 66.4 249 66.4 STD - 756M06640 - CW18 S-508 B1014 *SCEM Cylinder - Cylinder sleeving or x replating required for oversizes 72 RM250 03-10 66.4 249 66.4 STD - 823M06640 - CW18 S-508 B1014 *SCEM Cylinder x 72 SUZUKI 4-STROKE RM-Z250 04-05 77 250 77.0 STD - 0910-0354 0912-0140 CW16 - - Standard Compression x Cylinder boring & replating required for oversizes 53.6 RM-Z250 07-09 77 250 77.0 STD - 0910-0852 0912-0140 CW16 - - 13.4:1 Compression x 53.6 RM-Z250 10-24 77 250 77.0 STD - - 0912-0140 CW16 - - 13.4:1 Compression 10-12 x 13.5:1 Compression 13-18 53.6 13.75:1 Compression 19-22 ArmorGlide DR-Z400 00-24 90 398 90.0 STD - 4713M09000 - - - - 12.2:1 Stock Compression x 62.6 RM-Z450 05-07 95.5 450 95.5 STD - 0910-0791 - CW19 0913-0012 - 12:1 Compression x Skirt Coated 62.8 Bore and replating required for oversizes RM-Z450 13-24 96 450 96 STD 0903-1138 - - CW19 0913-0012 - 13:1 Compression x 62.1 YAMAHA 2-STROKE PW50 85-87/90-24 40 49 40 STD - - - - - - x 40.5 0.5 - 653M04050 - 39.2 PW80 91-06 47 72 48.5 1.5 - - - - - B1042 BW80 86- 00 x 42 YZ80 93-01 52.5 103.5 52.5 5.5 - 0910-0366 - CW14 - B1012 Racer’s Choice Supermini x *Ceramic Composite - Cylinder sleeving or 47.8 replating required for oversizes *Crankcase clearance required for 50mm and larger bore diameter* YZ85 02-24 47.5 85 47.5 STD - 805M04750 - CW14 - B1012 Pro-Lite x *Ceramic Composite 47.8 YZ85 02-24 52.5 103.5 52.5 5.5 - 0910-0366 - CW14 - B1012 Racer’s Choice Supermini x *Ceramic Composite 47.8
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