How fast does a 5 horsepower Briggs and Stratton engine go?

Answer 1

It really depends on what all is done to it a stock motor with nothing at all done to it will probably do 30 with the govenor set at about 3500-4000ive got one with no govenor aftermarket exaust and air filter and a shaved head that will go 50-55

Answer 2

4000 rpm is about the top for safe operation.

Answer 3

The speed you're going to get out of a 5 horse-power engine is going to be detrmined by the weight of the vehicle.