It will hit around 100 miles per hour
It depends on the mower, but some go 2 miles an hour.
Maybe 6 or7
nitrous and a bigger engine
6mph
Lawn Mower Racing- G-Team- web link
Jack Mower went by Jack Mower.
Check this link: http://www.instructables.com/id/How-to-make-a-racing-lawn-mower/
Ryan Mower goes by Burner.
Caryn Mower goes by Carnidge.
the lawn mower push! repeat this fast on their face.
two hundred kph
This question cannot be answered with this information. There are too many variables like gear ratios, weight of the vehicle, etc. 5hp push lawn mower = 0mph. 5hp go gart = what, maybe 30mph 5hp engine in my car = not very fast!