1. Home
  2. Engines
  3. Push Mower Engines
  4. EXi Engine Series™
EXi Engine Series
EXi Engine Series
EXi Engine Series
EXi Engine Series
EXi Engine Series

EXi Engine Series™

Easy to use. Easy to Maintain

Redesigned from the ground up, EXi Series Engines are more powerful and durable while lightest in class and easy to maneuver.

6.25 - 7.25

Gross Torque (ft-lbs)

150 - 163cc

Displacement

Gas

Engine Fuel

0.27

Fuel Tank Capacity (gal)

Features

ReadyStart® Engine Starting System

No prime, no choke, no worries. Just pull for power.

Easy Maneuverability

The lightest engine in its class makes it easy to maneuver.

Angled Fuel Neck 2X the Size

Make filling up less of a mess.

Our Starting Promise™

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

Just Check & Add™

Cut the hassles from gas engine maintenance with this innovative system that never requires an oil change.

* Regular scheduled maintenance must be performed
* See https://www.briggsandstratton.com/na/en_us/support/starting-promise.html for complete details.

Specs

Only 2 products can be compared at once. Please remove one of your selections to compare this product.

Only 3 products can be compared at once. Please remove one of your selections to compare this product.

At least one product must be displayed. Please select another option to remove this product

Torque (ft-lbs, gross)*
6.25
Number of Cylinders
Single
OHV Engine
Yes
Width (in)
12.2
Weight (lbs)
17.5
Stroke (in)
1.75
Fuel Tank Capacity (oz)
0.2
Lubrication System
Dura-Lube Splash Lubrication
Starter
ReadyStart® Starting System
Muffler
Super-Lo Tone™
Certified Power Rating
Download Power Curve
Engine Displacement (cc)
150
Engine Configuration
Vertical Shaft
Length (in)
13.8
Height (in)
9.6
Bore (in)
2.58
Engine Fuel
Gasoline
Oil Capacity (oz)
15
Oil Filter
N/A
Air Filter
Dual-Sealing Paper Element
Fuel Shutoff Valve
N/A
Model Number
103M
Engine Displacement (cc)
163
Engine Configuration
Vertical Shaft
Length (in)
13.8
Height (in)
10.1
Bore (in)
2.69
Engine Fuel
Gasoline
Oil Capacity (oz)
15
Oil Filter
N/A
Air Filter
Dual-Sealing Paper Element
Fuel Shutoff Valve
N/A
Torque (ft-lbs, gross)*
6.75
Number of Cylinders
Single
OHV Engine
Yes
Width (in)
12.5
Weight (lbs)
18.8
Stroke (in)
1.75
Fuel Tank Capacity (oz)
0.27
Lubrication System
Dura-Lube Splash Lubrication
Starter
ReadyStart® Starting System
Muffler
Super Lo-Tone™
Certified Power Rating
Download Power Curve
Model Number
104M
Engine Displacement (cc)
163
Engine Configuration
Vertical Shaft
Length (in)
13.8
Height (in)
10.1
Bore (in)
2.69
Engine Fuel
Gasoline
Oil Capacity (oz)
15
Oil Filter
N/A
Air Filter
Dual-Sealing Paper Element
Fuel Shutoff Valve
N/A
Torque (ft-lbs, gross)*
7.25
Number of Cylinders
Single
OHV Engine
Yes
Width (in)
12.5
Weight (lbs)
18.8
Stroke (in)
1.75
Fuel Tank Capacity (oz)
0.27
Lubrication System
Dura-Lube Splash Lubrication
Starter
ReadyStart® Starting System
Muffler
Super Lo-Tone™
Certified Power Rating
Download Power Curve

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.

Torque (ft-lbs, gross)*
6.75
6.25
6.75
Engine Displacement (cc)
163
150
163
Number of Cylinders
Single
Single
Single
Engine Configuration
Vertical Shaft
Vertical Shaft
Vertical Shaft
OHV Engine
Yes
Yes
Yes
Length (in)
13.8
13.8
13.8
Width (in)
12.5
12.2
12.5
Height (in)
10.1
9.6
10.1
Weight (lbs)
18.8
17.5
18.8
Bore (in)
2.69
2.58
2.69
Stroke (in)
1.75
1.75
1.75
Engine Fuel
Gasoline
Gasoline
Gasoline
Fuel Tank Capacity (oz)
0.27
0.2
0.27
Oil Capacity (oz)
15
15
15
Lubrication System
Dura-Lube Splash Lubrication
Dura-Lube Splash Lubrication
Dura-Lube Splash Lubrication
Oil Filter
N/A
N/A
N/A
Starter
ReadyStart® Starting System
ReadyStart® Starting System
ReadyStart® Starting System
Air Filter
Dual-Sealing Paper Element
Dual-Sealing Paper Element
Dual-Sealing Paper Element
Muffler
Super Lo-Tone™
Super-Lo Tone™
Super Lo-Tone™
Fuel Shutoff Valve
N/A
N/A
N/A
Certified Power Rating
Download Power Curve
Download Power Curve
Download Power Curve
Model Number
103M
103M

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.

Available At These Popular Retailers

Support

Manuals

Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or equipment by following our step-by-step process.

Find Manuals >

FAQs

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

Search FAQs >

Maintenance How-To Articles

Find DIY articles on how to use & maintain your Briggs & Stratton engine or equipment.

Find Articles >

Shop Repair & Maintenance Parts

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

Purchase Parts >

Q&A

Push Mower Engines

Conquer Your Yard

At the end of the day, a job well done is its own reward. Our equipment is there to help make it happen. It's easy to master, durable and ready for a challenge. Just like you.

Email Newsletter Sign Up

Copyright © 2018 Briggs & Stratton. All rights reserved.