2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1065 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION. HIGH-PERFORMANCE PISTONS (CONT) HIGH PERFORMANCE PISTONS continued on next page. 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 # YAMAHA 2‑STROKE (CONT) YZ85 02‑20 47.5 85 47.5 STD 0903-0299 805M04750 1869CS CW14 S-517 B1012 Pro‑Lite x 48.0 0.5 0903-0667 0910-1246 1890CS *Ceramic Composite ‑ Cylinder sleeving or 47.8 48.5 1.00 0903-0528 - 1909CS replating required for oversizes 49.5 2.00 0903-0194 805M04950 1949CS YZ85 02‑20 52.5 103.5 52.5 5.5 0903-0271 0910-0366 - CW14 S-288 B1012 Racer’s Choice Supermini x CSA Ring is Titanium Nitride coated 47.8 ArmorGlide skirt Coated *Ceramic Composite ‑ Cylinder sleeving or replating required for oversizes *Crankcase clearance required for 50mm and larger bore diameter YZ85 02‑20 52.5 103.5 52.5 5.5 - 0910-0366 - CW14 S-288 B1012 Racer’s Choice Supermini x CSA Ring is Titanium Nitride coated 47.8 ArmorGlide skirt Coated *Ceramic Composite ‑ Cylinder sleeving or replating required for oversizes *Crankcase clearance required for 50mm and larger bore diameter LT100 52 98 52.0 STD - 235M05200 2047CD CW14 S-288 B1012 LT100‑2/​LT100‑3 x 52.5 0.5 - - 2067CD MX100 45.6 53.0 1.0 - 235M05300 2087CD DT100 54.0 2.0 - - 2126CD RT100 90‑00 52 97 52.0 STD - 0910-0795 2047CD CW14 S-288 B1012 x 52.5 0.50 - 0910-0796 2067CD 45.6 53.0 1.00 - 0910-0797 2087CD AT2 125 72‑73/ AT3 125 72‑73 56 123 56.0 STD - 236M05600 2205CD CW16 S-270 B1016 MX125 74‑76 x 56.5 0.5 - 236M05650 2224CD IT125 80‑81 50 57.0 1.0 - 236M05700 2244CD DT125 73 and up 58.0 2.0 - - 2284CD YZ125 76‑82 56 123 56.0 STD - 435M05600 2205CS CW16 S-270 B1016 x 56.25 0.25 - - 2215CS 50 56.5 0.5 - - 2224CS 56.75 0.75 - - 2234CS 57.0 1.0 - 435M05700 2244CS 57.5 1.5 - - 2264CS 58.0 2.0 - 435M05800 2284CS YZ125 86‑88 56 123 56.0 STD - 559M05600 2205CS CW16 S-514 B1016 Pro‑Lite x 56.25 0.25 - - 2215CS *Power Valve must be modified 50 56.5 0.5 - 559M05650 2224CS for .040 and larger 56.75 0.75 - - 2234CS 57.0 1.0 - 559M05700 2244CS 57.5 1.5 - 559M05750 2264CS 58.0 2.0 - - 2284CS YZ125 89 56 123 56.0 STD - 582M05600 2205CS CW16 S-270 B1016 Pro‑Lite x 56.5 0.5 - - 2224CS *Ceramic Composite ‑ Cylinder sleeving or 50 56.75 0.75 - - 2234CS replating required for oversizes 57.0 1.0 - 582M05700 2244CS YZ125 90‑92 56 124 56.0 STD - 0910-1681 2205CS CW16 S-514 B1016 Pro‑Lite x 57 1.0 - 0910-2867 2244CS *Ceramic Composite‑Cylinder sleeving or 50.7 replating required for oversizes YZ125 93 56 124 56.0 STD - 629M05600 2205CS CW16 S-514 B1016 Pro‑Lite x 56.5 0.5 - - 2224CS *Ceramic Composite ‑ Cylinder sleeving or 50.7 57.0 1.0 - 629M05700 2244CS replating required for oversizes YZ125 94‑96 54 124 54.0 STD - 647M05400 2126CS CW16 S-514 B1016 Pro‑Lite x 54.5 0.5 - 647M05450 2146CS *Ceramic Composite ‑ Cylinder sleeving or 54.5 55.0 1.0 - 647M05500 2165CS replating required for oversizes 56.0 2.0 - 0910-1224 2205CS YZ125 97 54 124 54.0 STD - 693M05400 2126CS CW15 S-467 B1038 Pro‑Lite x *Ceramic Composite ‑ Cylinder sleeving or 54.5 replating required for oversizes