balance shaft, 250cc, used for 2 wheel motorcycles and motocross bikes all ... , air-cooled, 4-stroke, electric/ kick- starting, manually operated clutch, balance shaftBore x Stroke:67×65mmTotal displacement:229.0mLCompression ratio:9 ... (idle speed): 1500 r/minbalance shaft, 250cc, used for 2 wheel motorcycles and motocross bikesall engine parts avalaible Lifan 250cc engine - Balance Shaft