How much horsepower does a 2011 103 cubic inch Harley Davidson engine have?

The horsepower of a 2011 Harley-Davidson with a 103 cubic inch engine varies depending on the specific model and whether it's the stock engine or has been modified. However, a stock 2011 Harley-Davidson with a 103 cubic inch (1688cc) engine typically produces around 65-70 horsepower. This is just an approximation; you'd need to consult the specific model's specifications for the exact horsepower rating.