High performance. Low hassle. The 725ex Series™ lawn mower engine brings you the durability, power and reduced emissions you want in a great mowing experience. These push mower engines come standard with a Super Lo-Tone™ Muffler for quieter operation, Maxi-Clean™ air cleaner for greaner operation and the ReadyStart® starting system. Everything you need for a simple, superior cut.
High performance models that are tougher, stronger and cleaner.
Safeguards engines against ethanol damage and maintains fuel stability for up to 3 years.
Starts in 2 pulls – or we'll fix it for free.*
OHV engines run cooler and cleaner for better fuel economy and longer engine life.
Protects your engine from dirt and grime.
Save space by storing your mower vertically.
See how easy engine starting can be. No prime, no choke–just pull for power.
Look Before you pump fuel into your lawn mower and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the engine on your outdoor power equipment.
Cubic centimeters (cc) only measure the size of the engine on your lawn mower or outdoor power equipment. Torque measures the power that rotates the blade. Maximize your mowing power.
The quietest lawn mowing experience possible.
*All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.
*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.