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725ex Series™

7.25 Gross Torque

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.

Torque* 7.25
Engine Displacement (cc) 190
Number of Cylinders Single
Engine Configuration Vertical Shaft
Engine Technology L-Head
Length (in) 13.8
Width (in) 12.1
Height (in) 9.8
Weight (lbs) 24
Bore (in) 2.69
Stroke (in) 2.04
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 0.25
Lubrication System Dura-Lube Splash Lubrication
Oil Capacity (oz) 18
Oil Filter No
Starter Recoil
Air Filter Flat Panel Paper
Muffler Super Lo-Tone
Fuel Shutoff Valve Optional
Certified Power Rating

*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.

725ex Series™ is rated 2.5357 out of 5 by 28.
Rated 2 out of 5 by from This Engin was grate the first two uses. Purchase this engine last month 6/25/2012 to replace a Tecumche that cam W/ my top of the line Lawn-Boy 5 yrs ago. The first time out of the box and installed, started first pull. The next week, it wouldn't start. Replaced the spark plug, started first pull. This past week end started up fine, after 1.5hrs. the engine refused to start. Will be bringing it to a B&S repair shop probubly tomorrow. Very disapointed in B&S. I always thought that you just couldn't get any better that B&S.
Date published: 2012-08-01
Rated 2 out of 5 by from Fouls Plugs Easy to start, WHEN IT STARTS! I bought a brand new Brute lawn mower with a Briggs & Stratton 725ex engine from Walmart in March of this year. It seemed like a great mower for the price. It was easy to assemble, started easy, and worked great for 2 months. Then it wouldn't start. It had fuel and oil, and would crank easy, so I replaced the hard to find Spark Plug. It ran great for another month, and then wouldn't start AGAIN! So I replaced the Spark Plug AGAIN, and it started right up. I did some research, and turns out it's very common on this engine. It's a easy fix, but I'm really getting tired of it dying right in the middle of mowing my lawn, and having to search for, and buy $5 spark plugs. I had a older mower with a Briggs & Stratton mower that ran great for over 10 years, and I cant get this one to stay running for more than a month!
Date published: 2012-09-02
Rated 1 out of 5 by from Would not recommend!!!! I used this mower 4 times, the 4th time was very hard to start but started. The next week would not start at all and yes it has oil and gas and cleaned. It will just not start. Not worth the money at all!
Date published: 2012-08-15
Rated 2 out of 5 by from Too small of gas tank & won't start when hot One of the reasons in buying a Toro Mower was this engine. I had very good reliability and starting with my previous mowers with a B&S engine, a proven track record.The setup was great, starting cold was piece of cake. Plenty of power to do the job. While the mower was running, I was one happy camper!One mowing the back yare about 1/2 acre, ran out of gas. This engine is rated for 1 acre. It needs a bigger gas tank to do a full acre.So after running out of gas on the first tank with the engine still warm. Could not get the engine started after 8 pulls.
Date published: 2012-04-28
Rated 2 out of 5 by from Starts and runs great...when it wants to When it is running it is great. When it is not, it's frustrating. I've had it for a year now on a Troy-Bilt Mower. Fouled the first spark plug within 5 hours of use. I changed the oil at the 5 hour mark and replaced the plug. Ran great, always started first pull, and then it wouldn't. The air filter had gas in it (I don't spill gas all over the mower, so it's came from the carb). I changed the air filter, didn't have anymore gas in the new one after a few uses. Went to start it up yesterday and it cranked but immediately puffed a black cloud, shut off and wouldn't fire again. I've taken everything but the carb off and cleaned and no luck. I have less than 25 hours on the motor and it is still under warranty, so I took it on back to let them look at it before I tear into it to fix it myself. On top of all of this, it drinks gas like it's the job. I have a 1/4 acre lot and have to fill it at least twice to mow it.
Date published: 2014-08-14
Rated 2 out of 5 by from Tired of B&S... Every mower I've bought with a B&S engine in the last 8 years has been nothing but trouble. I bought a push mower with the 725 EX less than a year ago and I have to constantly fool with it to get it to crank. Now it won't start at all. Are there NO good small engines anymore?
Date published: 2014-06-09
Rated 1 out of 5 by from Another example of poor modern engineering I purchased this engine last year. It ran well but I found that the fuel tank is too small. No big deal.This year I pull it out and the thing won't start. After looking at the reviews here I will probably get a new spark plug. I pulled the plug out and cleaned it but still no go.I pulled out my 20 year old Craftsman push mower which has been sitting for nearly a year and it started first pull. I had to prime it but at least it started and it's reliable.Modern engineers just ain't what they used to be. They are always trying to make products easy to use and dummy proof but all we get is garbage products.
Date published: 2014-05-10
Rated 5 out of 5 by from Excellent motor I purchased a toro mower which has this motor in it earlier this year. I ran the break in oil for about 5 hours, and switched the oil out for mobil 1 5w-30, and it runs like a champ! It starts on the first pull every time, and powers through grass without even slowing down. Though I can't comment on the long-term reliability just yet, I believe that it should last many years to come. Definitely recommend!
Date published: 2012-09-17

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