ENGINE 251 HIGH-PERFORMANCE PISTONS •Forged high-silicon aluminualloy for maximum strength and dependability •Wiseco offers a complete range of popular piston models and years for both trail and racing applications NOTE: Wiseco rings fit only Wiseco pistons. PK PISTON AND GASKET KITS •Contains all the necessary components for overboring or rebuilding your top end •Features forged pistons, rings, wrist pins, circlips and top end gasket set •Cylinder sleeves must be purchased separately WISECO PISTON PRICING •All Wiseco High-Performance Motorcycle Pistons are priced with rings and circlips BORE (MM) BORE OVER WISECO REPL. X STROKE DISPL. SIZE SIZES PK KIT PISTON RING SET SUG. DLR. SALE FITS MODEL (MM) (CC) (MM) (MM) PART # PART # PART # RETAIL COST PRICE OFFROAD GAS GAS 2-STROKE EC 250R 14-18, EC 250 97-14, 66.4 X 72 249 66.4 STD - 0910-1698 - N/A $145.30 $102.60 SM 250 97-08, MC 250 97-08 HONDA 2-STROKE CR125R 85-86 54 X 54.5 124 54.25 0.25 - - 2136CD N/A 30.56 26.40 Pro-Lite 54.5 0.5 - - 2146CD N/A 30.56 26.40 CR125R 87 54 X 54 124 54.0 STD - 553M05400 - 133.95 97.36 86.90 Pro-Lite 56.0 2.0 - 553M05600 - N/A 112.34 88.10 *Power Valve must be modified for .040 and longer CR125R 88-89 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 Pro-Lite *1989 model has Nikasil Bore – Cylinder sleeving or replating required for oversizes CR125R 90-91 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 *1989 model has Nikasil Bore – Cylinder sleeving or replating required for oversizes CR125R 92-97 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 *1989 model has Nikasil Bore – Cylinder sleeving or replating required for oversizes CR125R 95-97 54 X 54.5 125 54 STD 0903-0726 - - N/A 150.05 111.80 Racer’s Choice GP Style Electra Coated. No intake window. Pinned on centerline. Longer skirt than stock *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR125R 98-99 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 Pro-Lite *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR125R 00 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 Pro-Lite *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR125R 01-02 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 Pro-Lite *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR125R 03 54 X 54.5 125 55.0 1.0 - - 2165CS N/A 15.28 12.50 Pro-Lite 56.0 2.0 0903-0203 - - N/A 159.89 119.10 *Nikasil Bore - Cylinder sleeving or replating required for oversizes HONDA MOTORCYCLE 4-STROKE (Correct replacement ring style is stamped on dome of piston – Example “C” for XC, “G” for XG and “H” for XH) XR500R 83-84 92 X 75 498 93.0 1.0 - 4330M09300 - N/A 147.02 131.20 Radial Head 10.25:1 Compression
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