Ryobi
Gas Line Trimmer

Model #768R Ryobi 2-cycle gas trimmer

Here are the diagrams and repair parts for Ryobi 768R 2-cycle gas trimmer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Save to my profile

    Showing 10 of 98 parts

    Line Trimmer Shoulder Strap Clip

    #6

    Boom and trimmer Diagram

    Line trimmer shoulder strap clip

    Part #791-610327
    ?
    Manufacturer substitution
    This part replaces 610327. Substitute parts can look different from the original.
    This part replaces 610327
    $18.99 | 
    24% OFF 
    MSRP: $25.00

    In Stock

    Line Trimmer Spool Spring

    #20

    Boom and trimmer Diagram

    Line trimmer spool spring

    Part #791-610317B
    ?
    Manufacturer substitution
    This part replaces 610317. Substitute parts can look different from the original.
    This part replaces 610317
    $8.89 | 
    19% OFF 
    MSRP: $11.00

    In Stock

    Shroud

    #22

    Engine Diagram

    Shroud

    Part #791-153520
    ?
    Manufacturer substitution
    This part replaces 153520. Substitute parts can look different from the original.
    This part replaces 153520
    $29.48

    In Stock

    Reel Shaft

    #17

    Boom and trimmer Diagram

    Reel shaft

    Part #791-145896
    ?
    Manufacturer substitution
    This part replaces 145896. Substitute parts can look different from the original.
    This part replaces 145896
    $30.98

    In Stock

    Fuel Cap

    #18

    Engine Diagram

    Fuel cap

    Part #791-180000B
    ?
    Manufacturer substitution
    This part replaces 181559. Substitute parts can look different from the original.
    This part replaces 181559
    $13.44 | 
    10% OFF 
    MSRP: $15.00

    In Stock

    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 Flexible Drive Shaft

    #10

    Boom and trimmer Diagram

    Line trimmer flexible drive shaft

    Part #753-04117
    ?
    Manufacturer substitution
    This part replaces 181550. Substitute parts can look different from the original.
    This part replaces 181550
    $44.99 | 
    8% OFF 
    MSRP: $49.00

    In Stock

    Line Trimmer Primer Bulb and Hose Assembly

    #10

    Engine Diagram

    Line trimmer primer bulb and hose assembly

    Part #791-683974B
    ?
    Manufacturer substitution
    This part replaces 181558. Substitute parts can look different from the original.
    This part replaces 181558
    $16.29

    In Stock

    Lawn & Garden Equipment Screw

    #15

    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

    Line Trimmer Cutting Head Locking Rod

    #NI

    All parts Diagram

    Line trimmer cutting head locking rod

    Part #791-613226
    ?
    Manufacturer substitution
    This part replaces 613226. Substitute parts can look different from the original.
    This part replaces 613226
    $8.09 | 
    33% OFF 
    MSRP: $12.00

    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.