Part: Wiseco Piston Part Number: 646M04700 Kit Contents: Quantity 1 | 646M04700 - Piston Quantity 1 | 1850CS - 47.00 RING SET Quantity 1 | CW14 - ROUND WIRE PIN LOCKS 14MM (PAIR) Quantity 1 | S517 - PIN-14MM X 1.5098-UNCHROMED-*2CY* Yamaha YZ 80 1993-2001 Displacement: 83 cc Bore - Standard: 47.00 mm Bore - Actual: 47.00 mm Bore - Oversize: STD Stroke: 47.8 mm Cylinders: 1 Pro-LiteNotes: Ceramic Composite Bore |