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 (gal)
    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 (gal)
    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 (gal)
    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 (gal)
    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 © 2019 Briggs & Stratton Corporation. All rights reserved.