The top speed of a Honda CBR 150R can vary depending on various factors, including the rider's weight, riding conditions, and any modifications made to the motorcycle. Generally, the Honda CBR 150R is capable of reaching a top speed of around 130-140 km/h (80-87 mph) under optimal conditions.
It's important to note that riding at high speeds can be dangerous and may not be legal or safe in certain areas or road conditions. It's always advisable to ride within legal speed limits and prioritize safety while operating a motorcycle.