2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1081 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. PISTONS continued on next page. FITS MODEL DISPLACEMENT BORE OVERSIZE COMPRESSION RATIO WEIGHT (GRAMS) SKIRT PART # SUG. RETAIL HONDA CRF150R 07-12 149cc STD 66mm 12.5:1 112 FSR 0910-5873 $231.95 170cc +4mm 70mm 13.0:1 126 FSR 0910-5878 231.95 XR250 86-04, XR250L 91-96 250 277cc +4mm 77mm 10.5:1 215 Round 0910-5836 201.95 CRF250R 04-09, CRF250X 04-17 249cc STD 78mm 13.2:1 150 FSR 0910-5852 231.95 Pro Series 249cc STD 78mm 13.7:1 150 FSR 0910-5879 231.95 CRF250R 10-15 249cc STD 76.8mm 13.8:1 149 FSR 0910-5904 231.95 Pro Series 249cc STD 76.8mm 14.2:1 151 FSR 0910-5905 231.95 CRF250R 16-17 - Pro Series 249cc STD 76.8mm 14.5:1 NEW FSR 0910-5942 307.95 XR400R 96-04 406cc +1mm 86mm 10.6:1 294 Round 0910-5837 201.95 415cc +2mm 87mm 10.8:1 294 Round 0910-5838 201.95 415cc +2mm 87mm 12.0:1 285 Round 0910-5829 231.95 426cc +3mm 88mm 11.0:1 298 Round 0910-5841 201.95 426cc +3mm 88mm 13.0:1 318 Round 0910-5840 201.95 435cc +4mm 89mm 10.8:1 273 Round 0910-5853 231.95 435cc +4mm 89mm 12.0:1 268 Round 0910-5830 231.95 CRF450R 02-08, CRF450X 05-17 449cc STD 96mm 12.5:1 273 FSR 0910-5886 231.95 449cc STD 96mm 13.5:1 282 FSR 0910-5887 231.95 488cc +4mm 100mm 12.5:1 303 FSR 0910-5888 231.95 CRF450R 02-08, CRF450X 05-17 449cc STD 96mm 13.5:1 255 FSR 0910-5872 251.95 Pro Series 449cc STD 96mm 14.0:1 256 FSR 0910-5903 251.95 CRF450R 09-12 – Pro Series 449cc STD 96mm 13.5:1 253 FSR 0910-5890 251.95 CRF450R 13-16 - Pro Series 449cc STD 96mm 13.5:1 257 FSR 0910-5923 251.95 CRF450R, CRF450RX 17 449cc STD 96mm 13.5:1 NEW FSR 0910-5943 327.95 Pro Series 449cc STD 96mm 14.0:1 NEW FSR 0910-5944 327.95 449cc STD 96mm 14.5:1 NEW FSR 0910-5945 327.95 XR600R 85-01 629cc +3mm 100mm 10.5:1 380 Round 0910-5831 201.95 640cc +4mm 101mm 10.6:1 397 Round 0910-5832 201.95 654cc +5mm 102mm 10.8:1 395 Round 0910-5833 201.95 XR650L 93-16 650cc +1mm 101mm 9.0:1 389 Round 0910-5906 201.95 644cc STD 100mm 10.5:1 398 Round 0910-5912 201.95 650cc +1mm 101mm 10.5:1 396 Round 0910-5913 201.95 657cc +2mm 102mm 10.5:1 408 Round 0910-5914 201.95 644cc STD 100mm 11.25:1 399 Round 0910-5834 201.95 657cc +2mm 102mm 11.25:1 406 Round 0910-5839 201.95 HUSABERG FE 450 13-14 450cc STD 95mm 13.5:1 259 FSR 0910-5934 251.95 HUSQVARNA FC450 14-15, FE 450 14-16, FX 450 17 450cc STD 95mm 13.5:1 259 FSR 0910-5934 251.95 KAWASAKI KX250F 10-14 - Pro Series 249cc STD 77mm 14.0:1 148 FSR 0910-5907 231.95 KX250F 17-18 - Pro Series 249cc STD 77mm 14.0:1 NEW FSR 0910-5948 307.95 KLX 400 03 398cc STD 90mm 12.0:1 287 Round 0910-5842 201.95 434cc +4mm 94mm 12.0:1 303 FSR 0910-5843 201.95 PISTONS • Machined from 2618-T6 high-tensile forged aluminum • Dome/d​ ish features smooth flowing radii; require no deburring or preparation • JE designs are specifically engineered for extreme applications including professional competition • Pro Series pistons available for select models: features include internal and external bracing, dedicated embossed forgings for weight reduction, specialized processes such as internal milling the internal struts, along with dedicated accumulator groove and forged side relief • Pins, pin fitment, lock and rings included • Made in the U.S.A.