BOLD MAGENTA part numbers are new for 2024 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2024 1341 HIGH PERFORMANCE PISTONS continued on next page. HIGH-PERFORMANCE PISTONS (CONT) FITS MODEL BORE (MM) X STROKE (MM) DISPL. (CC) BORE SIZE (MM) OVER SIZES (MM) PK KIT PART # PISTON PART # REPL. RING SET PART # REPL. CIRCLIPS PART # REPL. WRIST PIN PART # TOP-END BEARING PART # SUZUKI 2-STROKE (CONT) RM80 83-85 49 82.87 49.0 STD - - 1929CD CW14 S-288 B1012 x 49.5 0.5 - - 1949CD 44 50.0 1.0 - 497M05000 1969CD 50.5 1.5 - - 1988CD 51.0 2.00 - - 2008CD RM80 86-87 47.5 82 47.5 STD - - 1869CS CW14 S-288 B1012 x 49.0 1.5 - 542M04900 1929CS 46.8 49.5 2.00 - 542M04950 1949CS RM80 88 47.5 82 47.5 STD - - 1869CS CW14 S-288 B1012 x 46.8 RM80 89-90 47.5 82 47.5 STD - - 1869CS CW14 S-288 B1012 *Limited to available stock x 48.0 0.5 - - 1890CS 46.8 48.5 1.0 - 579M04850 1909CS RM80 91-01 47.5 82 47.5 STD 0903-0703 - 1869CS CW14 S-517 B1012 Pro-Lite x 48.0 0.5 - 645M04800 1890CS *Power Valve must be modified 46.8 48.5 1.0 - 645M04850 1909CS for .030 and larger 49.0 1.50 - 0910-1222 1929CS 49.5 2.00 0903-0710 - 1949CS RM85 02-23 48 84.7 48.0 STD 0903-0303 806M04800 1890CS CW14 S-288 B1012 Pro-Lite x 48.5 0.5 0903-0544 0910-1248 1909CS *Must use stock thrust washers 46.8 49.0 1.00 - 0910-1249 1929CS *Cylinder resleeving or replating required for all oversizes 50.0 2.00 0903-0214 - - *Crankcase clearance required for 50mm and larger bore diameter RM85 02-22 52 99.4 52.0 5.00 0903-0294 806M05200 - CW14 S-288 B1012 Racer’s Choice Supermini x 53.0 6.00 - 0910-2878 - CSA Ring is Titanium Nitride coated 46.8 *Must use stock thrust washers *Crankcase clearance required for 50mm and larger bore diameter RM100 03-04 52.5 99 52.5 STD 0903-0310 651M05250 2067CD CW14 S-288 B1006 *Electrofusion bore - Cylinder sleeving x 53.0 0.5 0903-0181 651M05300 2087CD or replating required for oversizes 45.8 54.5 2.0 0903-0515 0910-0345 2146CD DS125 79-81 56 123 56.0 STD - - 2205CD CW14 - B1018 TS125 79-81 x 56.5 0.5 - - 2224CD TC125 70-78 50 57.0 1.0 - 449M05700 - RV125 73-77 RM125 77-80 54 123 54.0 STD - - 2126CD CW14 - B1018 x 54.5 0.5 - - 2146CD 54 55.0 1.0 - - 2165CD 55.5 1.5 - - 2185CD 56.0 2.00 - - 2205CD RM125 81-84 54 123 54.0 STD - 511M05400 2126CD CW14 0913-0006 B1018 x 54.25 0.25 - - 2136CD 54 54.5 0.5 - - 2146CD 55.0 1.0 - 511M05500 2165CD 55.5 1.5 - - 2185CD 56.0 2.00 - - 2205CD RM125 85-86 54 123 54.0 STD - - 2126CD CW14 0913-0006 B1018 x 54.5 0.5 - - 2146CD 54 55.0 1.0 - 519M05500 2165CD 55.5 1.5 - - 2185CD 56.0 2.00 - - 2205CD RM125 87 54 123 54.0 STD - 557M05400 2126CS CW14 S-288 B1018 Pro-Lite x 54.5 0.5 - - 2146CS 54 55.0 1.0 - - - 55.5 1.5 - - - 56.0 2.00 - - 2205CS RM125 88 54 123 54.0 STD - - 2126CS CW15 S-467 B1013 Pro-Lite x 54.5 .5 - - 2146CS 54 55.0 1.0 - 568M05500 - 55.5 1.5 - - - 56.0 2.00 - - 2205CS RM125 89-90 54 123 54.0 STD - 641M05400 2126CS CW15 S-467 B1013 Pro-Lite x 54.5 0.5 - 641M05450 2146CS *SCEM Composite - Cylinder sleeving 54 55.0 1.0 - 641M05500 - or replating required for oversizes 55.5 1.5 - 0910-1218 - 56.0 2.0 - 0910-1219 2205CS
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