Briggs & Stratton EX Series Engines

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With more power levels and two Briggs & Stratton innovations, our EX Series push mower engines are both easier to start and easier to maintain. There’s no need to prime or choke; just pull the rope or turn the key to get started. Special engineering allows these engines to run their full life without ever needing an oil change. No hassle, no mess. Just easy.

No oil changes needed – just add oil as needed and go with Just Check & Add™.
Easy, one-step starting with .
Save space**. Store your mower upright with (optional on the EX550 / 140cc engine)
Made in the USA of US and global parts.

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Specs

Model Number

09P7

Torque (ft-lbs, gross)*

5.5

Engine Displacement (cc)

140

Number of Cylinders

Single

Engine Configuration

Vertical Shaft

OHV Engine

true

Length (in)

13.8

Width (in)

12.2

Height (in)

9.6

Weight (lbs)

Bore (in)

2.50

Stroke (in)

1.75

Engine Fuel

Gasoline

Fuel Tank Capacity (gal)

0.2

Oil Capacity (oz)

Lubrication System

Dura-Lube Splash Lubrication

Oil Filter

N/A

Starter

ReadyStart^® Starting System

Air Filter

Dual-Sealing Paper

Muffler

Super Lo-Tone™

Fuel Shutoff Valve

N/A

Certified Power Rating

Download Power Curve

_{*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**Space savings are in relations to the space consumed by a traditional walk mower that is stored with the handle in the standard operating position.}