Wiseco PerformanceComplete Bottom End Rebuild KitPart Number: WPC128BFits: 1992-01 Kawasaki KX250 Wiseco now provides an all in one kit for your bottom end Made with the toughest materials for increased performance and life span Includes the Crankshaft Assembly, Main Bearings and Bottom End Gasket Kit Wiseco Crankshafts are 4340 steel, core hardened and tempered to reduce stress and optimize tensile strength. The crankshafts are made with a nitriding process for hardening rather than induction heat treated. This eliminates any softening between the journals and any post running deformation. Our crankshafts also feature straight oil holes for the best oiling to the rod journals to insure you get the best crank for your money. Each K1 crankshaft is magnetic particle inspected and held to a maximum tolerance of .0002” journal dimension. Counterweights are placed for optimal load reduction and ease of balancing making less work for you or your builder.Includes: B1022 - Top End Bearing 18 x 22 x 23.5mm B1050 - Crank Pin Bearing 24 x 32 x 19.8mm KU B5011 - Main Bearing 28 x 68 x 18mm Crankshaft W5805 - CRANK PIN - HOLLOW - 24MM X 59MM W5979 - Thrust Washers (2) 24mm ID x 1.5mm WB1091 - Bottom End Gskt Kit Kaw KX250 '92-01 WPR133 - Rod Kit - Kaw. KX250 '78-07 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Bottom End Rebuild Kit Part Number WPC128B Fitment Type Bottom End Unit Sale Qty Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End/Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer Items Included Fitments
