Ryobi
Gas Line Trimmer

Model #725R SERIAL 611000001 AND GREATER Ryobi trimmer

Here are the diagrams and repair parts for Ryobi 725R-SERIAL-611000001-AND-GREATER trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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    Showing 10 of 103 parts

    Lawn & Garden Equipment Carburetor Rebuild Kit

    #NI

    All parts Diagram

    Lawn & garden equipment carburetor rebuild kit

    Part #791-180090
    ?
    Manufacturer substitution
    This part replaces 180090. Substitute parts can look different from the original.
    This part replaces 180090
    $37.19 | 
    21% OFF 
    MSRP: $47.00

    In Stock

    Line Trimmer Drive Shaft Coupler

    #11

    Boom and trimmer Diagram

    Line trimmer drive shaft coupler

    Part #753-1190
    ?
    Manufacturer substitution
    This part replaces 181616. Substitute parts can look different from the original.
    This part replaces 181616
    $14.99 | 
    17% OFF 
    MSRP: $18.00

    In Stock

    Line Trimmer Fuel Line

    #18

    Engine Diagram

    Line trimmer fuel line

    Part #791-181086
    ?
    Manufacturer substitution
    This part replaces 181168. Substitute parts can look different from the original.
    This part replaces 181168
    This item is not returnable
    $5.19 | 
    19% OFF 
    MSRP: $6.40

    In Stock

    Line Trimmer Spool Assembly

    #NI

    All parts Diagram

    Line trimmer spool assembly

    Part #791-181460B
    ?
    Manufacturer substitution
    This part replaces 181460. Substitute parts can look different from the original.
    This part replaces 181460
    $20.95 | 
    9% OFF 
    MSRP: $23.00

    In Stock

    Lawn & Garden Equipment 2-Cycle Engine Oil, 6-pack

    #NI

    All parts Diagram

    Lawn & garden equipment 2-cycle engine oil, 6-pack

    Part #21603
    ?
    Manufacturer substitution
    This part replaces 147541. Substitute parts can look different from the original.
    This part replaces 147541
    $17.99

    In Stock

    Line Trimmer Muffler Gasket

    #43

    Engine Diagram

    Line trimmer muffler gasket

    Part #791-180980
    ?
    Manufacturer substitution
    This part replaces 180980. Substitute parts can look different from the original.
    This part replaces 180980
    This item is not returnable
    $5.40 | 
    8% OFF 
    MSRP: $5.90

    In Stock

    Line Trimmer Retainer Ring

    #25

    Boom and trimmer Diagram

    Line trimmer retainer ring

    Part #791-181458
    ?
    Manufacturer substitution
    This part replaces 181458. Substitute parts can look different from the original.
    This part replaces 181458
    This item is not returnable
    $2.69 | 
    21% OFF 
    MSRP: $3.40

    In Stock

    Lawn & Garden Equipment Engine Cylinder Assembly

    #46

    Engine Diagram

    Lawn & garden equipment engine cylinder assembly

    Part #753-04814
    ?
    Manufacturer substitution
    This part replaces 181622. Substitute parts can look different from the original.
    This part replaces 181622
    $49.67 | 
    22% OFF 
    MSRP: $64.00

    In Stock

    Shblk:31cc:c

    #NI

    All parts Diagram

    Shblk:31cc:c

    Part #791-00039
    ?
    Manufacturer substitution
    This part replaces 181623. Substitute parts can look different from the original.
    This part replaces 181623
    $112.30

    In Stock

    Lawn & Garden Equipment Screw

    #21

    Boom and trimmer Diagram

    Lawn & garden equipment screw

    Part #791-145569
    ?
    Manufacturer substitution
    This part replaces 145569. Substitute parts can look different from the original.
    This part replaces 145569
    This item is not returnable
    $6.24 | 
    5% OFF 
    MSRP: $6.60

    In Stock

    Symptoms for gas line trimmers

    Choose a symptom to see related grass line trimmer repairs.

    Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings
    Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
    Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carburetor

    Repair guides for gas line trimmers

    These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

    October 1, 2013
    By Lyle Weischwill
    How to replace a line trimmer fuel line

    The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yourself, following these instructions.

    Repair difficulty
    Time required
     15 minutes or less
    October 1, 2013
    By Lyle Weischwill
    How to replace a line trimmer carburetor

    If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to replace the carburetor in under 30 minutes.

    Repair difficulty
    Time required
     15 minutes or less
    October 1, 2013
    By Lyle Weischwill
    How to rebuild a line trimmer carburetor

    If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to do the job in under 30 minutes.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos for gas line trimmers

    Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

    June 1, 2016

    Tips for a hard-to-start grass line trimmer

    By Sears PartsDirect staff

    These tips may help you get your hard-to-start gas line trimmer running.

    June 1, 2015

    How to replace a line trimmer fuel line video

    By Sears PartsDirect staff

    Follow the steps in this video to replace a leaking fuel line in a line trimmer.

    March 1, 2015

    Grass line trimmer common questions

    By Sears PartsDirect staff

    From what kind of fuel to use to why your gas line trimmer won't start, here are the questions our experts hear most often about grass line trimmers.