2019 Kawasaki KX450, Vehicle Options Body Material: Plastic Bore (in): 3.78 Bore (mm): 96.0 Carburetion Brand: Keihin Carburetion Type: Fuel Injected Compression Ratio: 12.5:1 Cooling: Liquid Cylinders: 1 Displacement (cc): 449.0 Displacement (ci): 27.4 Engine Case Guard Engine Stroke: 4-Stroke Engine Type: Single-Cylinder Exhaust Guard Foot Peg Location: Driver Fork Guards Frame: Aluminum Fron...