ENGINE 274 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 HONDA 2-STROKE CR80R 80-82 49.5 X 41.4 79.7 51.0 1.5 - 450M05100 - $144.95 $89.88 $60.35 TC80 70-78 CR85R 03-07 47.5 X 47.8 84.7 48.0 0.5 - 0910-1252 - 119.95 74.90 54.45 Pro-Lite x Nikasil Bore CR125M 73-78 56 X 50 123 58.0 2.0 - 339M05800 - 179.95 134.00 81.66 MT125 73-78 CR125R 87 54 X 54 124 54.0 STD - 553M05400 - 131.95 106.92 85.50 Pro-Lite *Power Valve must be modified for .040 and longer CR125R 92-97 54 X 54.5 125 55.0 1.0 0903-0517 - - 219.95 139.56 98.55 Pro-Lite *Nikasil Bore -Cylinder sleeving or replating required for oversizes CR125R 01-02 54 X 54 125 54.0 0.5 0903-0179 - - 219.95 141.68 100.05 Pro-Lite *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR125R 00-02 54 X 54.5 134 56 2.0 0903-0731 - - 259.95 167.15 114.49 Racer’s Choice GP Style Electra Coated. No intake window. Pinned on centerline. Longer skirt than stock *Nikasil Bore - Cylinder sleeving CR125R 03 54 X 54.5 125 56.0 2.0 0903-0203 - - 249.95 159.89 105.27 Pro-Lite *Nikasil Bore - Cylinder sleeving or replating required for oversizes CR250M 75-77 70 X 64.4 248 71.5 1.5 - 338M07150 - 224.95 137.81 97.17 MT/ MR250 75-77 CR250R 81-83 66 X 72 246 67.0 1.0 - 466M06700 - 199.95 122.83 83.77 CR250R 92-96 66.4 X 72 249 68.50 2.1 0903-0258 - - 180.95 180.80 117.60 Pro-Lite *Nikasil Bore replating required for oversizes HONDA 4-STROKE XR70R 97-03 47 X 41.4 75 48.0 1.0 - 0910-0749 - 134.95 83.17 60.46 CRF70F 04-12 10.5:1 Compression Cylinder boring required for oversizes CRF150R 07-09 66 X 43.7 159 68.0 2.0 - 0910-0822 - 264.95 164.83 105.88 High-compression 66mm=12.2:1 CR 68mm=12.4:1 CR Skirt coated CRF450R 02-08 96 X 62.1 449 96.0 STD 0903-0557 - - 364.95 232.51 164.19 13:1 Hi-Compression. x ArmorGlide skirt coated XR650R 00-07 100 X 82.6 644 102.36 2.4 - 0910-2922 - 269.95 166.32 109.51 11:1 Stock Compression Cylinder boring required for oversizes
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