Toro Lawn Mower Engine Running Slow

Troubleshooting a toro lawn and garden tractor is not a hard task to accomplish if the troubleshooting sequence is properly carried out.

Toro lawn mower engine running slow.

My toro has the same engine and they are pretty quiet i see that as a big plus in my book. In fact clogging can occur in many areas of the lawn mower including the fuel line the gas cap the carburetor the needle and seat and the air filter. Set the mower height as high as it will go and mow then come back in a few days and knock it down another notch or two until you get your lawn under control. If you have a really old one the lawn mower running slow and rough is normal.

It s new but the lawn mower loses power when cutting indicates some fixable troubles. By process of elimination most common problems can be identified in less than an hour by a moderately skilled homeowner. From your description it sounds like you may have a problem with the governor spring that tensions the governor vane to the throttle body. Turn the idler power screw 1 8 to 1 4 turn clockwise with a screwdriver until the engine begins to sputter counting the number of turns.

Air fuel compression is crucial to engines powering lawn mowers and outdoor power equipment. These can get stretched out and lose tension creating a slow idle. Because a lawn mower is powered by a combustion engine that is powered by liquid fuel clogging is a major issue that slows down or even shuts down performance. The compressions system is made up of valves piston cylinders and rings that control how the air and fuel vapors move through the engine.

It has been us. But you expect smooth operation from a relatively new one. Valves let air in the intake valve and out the exhaust valve pistons move back and forth pushing the air fuel mixture to the ignition system and the piston. The mower was purchased new in late march 2012.

It happens every now and then throughout the entire life of a mower. Rotate the throttle control to the highest speed. Start the toro lawn mower and let it idle for one to two minutes. I have a toro model 20333 22in recylcler lawn mower with a briggs and stratton model 128t02 quantum engine type 3256 b1 code 11021759.