Re: Small Weed Whacker or 7.0HP Lawn Mower?
There is another thing to watch out for with a vertical mower engine- mfgs put a light flywheel on most engines because the blade becomes the flywheel.
Remove the blade and you may not even be able to start the engine. It will rip the rope right out of your hands as it backfires. You need a heavy flywheel engine or a horisontal engine.
Take the blade off and see if you can get it running before you do anything.