Position yourself so that you’re alongside the mower deck; That’s only 2 mph faster than your craftsman. Riding Lawn Mower Spec 54 24hp Vtwin Kohler Zero Turn That is to say, it will assist us in adjusting the lawn mower’s speed at six different levels; How to make a craftsman lawn mower faster . Loosen the bolt on the blades using a wrench; The engine is a 1985 b&s 11hp flathead. Try to use high octane gasoline gas for your lawn mower. Using a block of wood, place it against the baffle, under the deck. These slight adjustments will help to speed the lawn mower up. One way of making a lawn mower faster is by sharpening its blades. Make sure it all moves freely. How can i make my craftsman riding mower faster? Generally, increase the size of the pulley in the back of the lawn mower and increase the size of the pulley attached to the engine. That can make mowing through. Fill the fuel tank on the craftsman lawn tractor with a higher octane gas to make t...