2021 Parts Unlimited Offroad

ENGINE parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 1092 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. 2 Require two rings per piston. FITS MODEL DIAMETER (MM) PISTON VERSION PISTON PART # RING SET PART # WRIST PIN PART # CIRCLIP PART # COBRA CX50 JR/SR 06‑17 38.94 Cast Replica 0910-4134 - - - 38.95 Cast Replica 0910-4135 - - - 38.96 Cast Replica 0910-4136 - - - CX 65 10‑11 42.95 Cast Replica 0910-4139 - - - 42.96 Cast Replica 0910-4140 - - - CX 65 07‑09, 12‑16 44.45 Cast Replica 0910-4137 - - - GAS GAS EC250 02‑07 66.34 Cast Replica 0910-2553 0912-0175 0913-0038 0913-0056 EC300 02‑17 71.95 Cast Replica 0910-3186 0912-0177 0913-0038 0913-0056 HONDA CR80R 90‑02 46.95 Cast Replica 0910-1023 0912-0163 0913-0027 0913-0048 CR85R/RB 03‑07 47.45 Cast Replica 0910-1024 0912-0166 0913-0027 0913-0048 CR85R/RB 03‑07 (+2mm Big Bore) 49.45 Forged Big Bore - - 0913-0027 0913-0048 CR125R 90‑91 53.94 Cast Replica - 0912-0170 0913-0019 0913-0054 CR125R 92‑99 53.94 Cast Replica 0910-1027 0912-0170 0913-0019 0913-0054 CR125R 00‑03 53.94 Cast Replica 0910-1028 0912-0170 0913-0019 0913-0054 CR125R 04 53.93 Cast Replica 0910-2034 0912-0170 0913-0019 0913-0054 CR125R 04‑07 53.93 Cast Race 0910-2127 0912-0170 0913-0019 0913-0054 CR125R 05‑07 53.94 Cast Replica 0910-1029 0912-0170 0913-0019 0913-0054 CR125R 04‑07 (+3mm 144cc Big Bore) 56.95 Forged Big Bore 0910-2554 - 0913-0019 0913-0054 CR125R 04‑07 (+3mm 144cc Big Bore) 56.95 Forged Race - - - 0913-0054 CR250R 89‑94 66.35 Cast Replica - 0912-0175 2 0913-0038 0913-0056 CR250R 95‑96 66.35 Cast Replica 0910-1032 0912-0175 2 0913-0038 0913-0056 CR250R 97‑01 66.35 Cast Replica 0910-1033 0912-0175 2 0913-0038 0913-0056 CR250R 02‑04 66.35 Cast Replica 0910-1034 0912-0175 2 0913-0038 0913-0056 CR250R 05‑07 66.35 Cast Replica 0910-1035 0912-0175 0913-0038 0913-0056 CRF250R 04‑09, CRF250X 04‑17 (compression 12.9:1) 77.95 Forged Replica 0910-1747 0912-0213 0913-0042 0913-0049 77.96 Forged Replica 0910-1043 0912-0213 0913-0042 0913-0049 77.97 Forged Replica - 0912-0213 0913-0042 0913-0049 77.98 Forged Replica - 0912-0213 0913-0042 0913-0049 CRF250R 04‑09, CRF250X 04‑17 (compression 13.4:1) 77.95 Forged High Comp - 0912-0213 0913-0042 0913-0049 77.96 Forged High Comp - 0912-0213 0913-0042 0913-0049 77.97 Forged High Comp - 0912-0213 0913-0042 0913-0049 77.98 Forged High Comp - 0912-0213 0913-0042 0913-0049 CRF250R 04‑09/​CRF250X 04‑17 (Big Bore) 79.96 Forged Big Bore - 0912-0308 0913-0042 0913-0049 83.96 Forged Big Bore - - 0913-0042 0913-0049 84.96 Forged Big Bore - - 0913-0042 0913-0049 CRF250R 04‑09/​CRF250X 04‑17 (Big Bore) (compression 13.0:1) 78.96 Forged Big Bore - - 0913-0159 0913-0049 78.98 Forged Big Bore - - 0913-0159 0913-0049 80.96 Forged Big Bore - 0912-0309 0913-0159 0913-0049 80.97 Forged Big Bore - 0912-0309 0913-0159 0913-0049 80.98 Forged Big Bore - 0912-0309 0913-0159 0913-0049 80.99 Forged Big Bore - 0912-0309 0913-0159 0913-0049 PISTON KITS, RINGS, WRIST PINS AND CIRCLIPS • All pistons are heat-treated with a T-5 hardening and tempering cycle • All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life • Cast piston kits are gravity-cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston • Forged pistons are forged from 2618 aluminum for superior strength and durability • Forged High Compression pistons improve power and torque across entire rpm range • Big Bore pistons increase engine’s displacement, torque, and peak horsepower • Forged Replica pistons are forged OE replacements • Replica pistons and all rings are OEM replacements • Piston kits include piston, rings, wrist pin and circlips • Replacement 2-stroke piston rings sold individually; 4-stroke piston rings sold as a set PISTON VERSIONS Cast Replica – Cast OE replacement piston Cast Race – Unique cast GP-style race piston with only one compression ring Cast Big Bore – Big bore stock compression cast piston Forged Replica – Forged OE stock compression piston Forged Big Bore – Forged OE stock compression big bore piston Forged Race – Unique forged GP-style race piston with only one compression ring Forged High Comp – Forged high-compression pistons 0910-4658 0910‑4669 0910‑5178