Crank Web Counterweight. $ 20.00 SKU: 12271-12C04U Crankshaft web counterweight. Back to: Engine Parts ×Close Suzuki Manufacturers of automobiles, motorcycles and marine equipment. http://www.globalsuzuki.com/ Description Crankshaft web counterweight to suit RGV250 VJ21 and VJ22 models. It will also fit all the Aprilia RS250 crankshafts. Suzuki part number reference: 12271-12C04 Aprilia part number reference: AP8600118