Depends on which 350cc engine you are referring to. You need to be more specific.
CC is NOT correlated to Horsepower. Cc is merely the capacity of that engine, NO relationship to horsepower.
305 heads work on a 350 engine
The horsepower of any engine is not limited or defined by the size of the engine. A 2200 cc engine could have as much as 400 horsepower, if modified.
69
21.5
347hp
The 350 cc Honda has a horsepower rating of 60 horsepower. The horsepower can be adjusted by adjusting the fuel injection screw.
11 horsepower
CC is NOT correlated to Horsepower. Cc is merely the capacity of that engine, NO relationship to horsepower.
The answer is 111.8 hp
13.93 horsepower for 209 cc engine
A 179 cc engine is around 5.5-6 horsepower. There's no hard and fast rules on cc to hp conversion there are too many variables.