Curly Brunette Girl Strips Her Clothes On The Motorbike

The maximum acceptable legal emissions of hydrocarbon and carbon monoxide for new Class I and II motorcycles (50 cc–169 cc and 170 cc–279 cc respectively) sold in the United States are as follows:
Model year - HC (g/km) - CO (g/km)
2006 and later- 1.0 - 12.0