625ex Series™

6.25 Gross Torque

Cutting your lawn has never been easier. New 625 Series™ lawn mower engines feature the ReadyStart®starting system, so there's no priming or choking —only a pull for power. It's the lightest push mower engine in its class by 30 percent, which means it's easier to maneuver. Add that to other enhancements that reduce noise and vibration, all while increasing comfort and extending engine life, and you've got one great solution to your lawn care challenges.

  • Watch the video for a walkthrough of all of the innovative features in the new 625ex Series™ engine from Briggs & Stratton.

  • Starting Promise. 2 attempts or we fix it free!

    Starts in 2 attempts – or we'll fix it for free.*

  • Advanced Formula Fuel Treatment and Stabilizer | Briggs and Stratton

    Safeguards engines against ethanol damage and maintains fuel stability for up to 3 years.

    See the full benefits of Advanced Formula Fuel Treatment & Stabilizer.

  • Briggs & Stratton OHV Engine Design
    Overhead Valve (OHV) Engine Design

    OHV engines run cooler and cleaner for better fuel economy and longer engine life.

  • Super Lo-Tone Engine Muffler

    The quietest lawn mowing experience possible.

  • See how the ReadyStart® Starting System works.

  • Lawn Mower Engine Torque

    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.

  • Avoid Lawn Mower Engine Damage

    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.

  • Light flywheel with mechanical governor

    Enhances handling and performance.

  • Automotive-Style Paper Filter

    Protects your engine from dirt and grime.

  • Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting. Search FAQs »

  • Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance. Purchase Parts »

Torque* 6.25
Engine Displacement (cc) 150
Number of Cylinders Single
Engine Configuration Vertical Shaft
Engine Technology OHV
Length (in) 13.8
Width (in) 12.2
Height (in) 9.6
Weight (lbs) 17.5
Bore (in) 2.58
Stroke (in) 1.75
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 0.2
Lubrication System Dura-Lube Splash Lubrication
Oil Capacity (oz) 15
Oil Filter No
Starter Recoil
Air Filter Dual-Sealing Paper Element
Muffler Super-Lo Tone™
Fuel Shutoff Valve No
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.

625ex Series™ is rated 1.7143 out of 5 by 7.
Rated 1 out of 5 by from Husqvarna 625ex model with this motor Same as the others, worked great the first 6 times I used it, now it won't start and just prior it was not idling correctly. Pulled the plug and it looked like the inside of a chimney, obviously it's running and fouling. Very disappointed in this product, the mower is great, the motor...not so much. Now I will have to take it in for service.
Date published: 2015-08-22
Rated 1 out of 5 by from not great I bought this 625ex series mower 4months ago. Took it back for its first service and everything works fine. Now after some time the mower hunts and doesn't sit at a normal idle or consistent rev range. It is always hunting. Like it is rich of fuel ans tries to compensate.Not happy with this product at all.
Date published: 2014-11-28
Rated 5 out of 5 by from Troy-Bilt self-propelled mower-TB200 I bought a Troy-Bilt TB200 lawn mower at Lowe’s and I’m glad I did. It’s like a little red Ferrari! It really starts on the first pull and sounds robust! Excellent lawn mower!
Date published: 2014-06-07
Rated 2 out of 5 by from Will not start. I bought the 625ex push mower a year ago we have used it maybe 10 times now it will not start.I checked the spark plug gap it supposed to be .030 it was zero I mean no gap can this have caused bigger problem? or indicate a bigger issue?
Date published: 2015-06-10
Rated 1 out of 5 by from Problems I have had my 625 series mower for less than 3 months, have changed kept the gasoline in it fresh and a clean air filter. One day while mowing, it began to die and finally died. I changed the spark plug, checked the boot and still it will not run, it will start but finally acts as if though it is not getting fuel and dies. What do I need to do? I loved it the three times I used it until all of this happened. Is this a common problem for this series?
Date published: 2014-08-15
Rated 1 out of 5 by from Better review to follow. We have owned ours 4 months. Until it gets to a dealer, hoping they will get it running, we cannot offer a fair review. However, we can say that it is quite a handsome piece of equipment. Chic. Stylish. Very masculine, in an elegant sort of way. We are sure to be the envy of the neighborhood. That is, once we are mowing our lawn. Very soon. We hope.
Date published: 2015-05-20
Rated 1 out of 5 by from need to adjust ohv will replace connecting rod if I find numbers which I cant
Date published: 2014-10-23
  • 2015-11-25T06:03CST
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