Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Sears 81780850 moped Parts

Here are the diagrams and repair parts for Sears 81780850 moped, as well as links to manuals and error code tables, if available.

Sears 81780850 moped
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 81780850 Moped

  • Tool Set for Sears 81780850 - Part 3247

    #NI

    All parts diagram

    Tool Set

    Part #3247

    The manufacturer no longer makes this part, and there's no substitute part

  • Hex Screw for Sears 81780850 - Part 2046

    Exhaust diagram

    Hex Screw

    Part #2046

    The manufacturer no longer makes this part, and there's no substitute part

  • Retrn Spring for Sears 81780850 - Part 3230

    Clutch diagram

    Retrn Spring

    Part #3230

    The manufacturer no longer makes this part, and there's no substitute part

  • Dust Cap for Sears 81780850 - Part 3172

    Front wheel diagram

    Dust Cap

    Part #3172

    The manufacturer no longer makes this part, and there's no substitute part

  • Split Pin for Sears 81780850 - Part 3272

    Carburetor diagram

    Split Pin

    Part #3272

    The manufacturer no longer makes this part, and there's no substitute part

  • Screen for Sears 81780850 - Part 3267

    Carburetor diagram

    Screen

    Part #3267

    The manufacturer no longer makes this part, and there's no substitute part

  • Spark Plug for Sears 81780850 - Part 3031

    Cylinder, piston, crankshaft diagram

    Spark Plug

    Part #3031

    The manufacturer no longer makes this part, and there's no substitute part

  • Plate Rr for Sears 81780850 - Part 3180

    Rear wheel diagram

    Plate Rr

    Part #3180

    The manufacturer no longer makes this part, and there's no substitute part

  • Bracket for Sears 81780850 - Part 2036

    Frame, saddle, seat, luggage carrier diagram

    Bracket

    Part #2036

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for Sears 81780850 - Part 3040

    Rear wheel suspension (pivoted fork, suspension unit) diagram

    Washer

    Part #3040

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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…

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.

How to rebuild a line trimmer carburetor

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…

Repair time and Difficulty

 15 minutes or less
How to replace a line trimmer fuel line

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 yours…

Repair time and Difficulty

 15 minutes or less
How to replace a line trimmer carburetor

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 …

Repair time and Difficulty

 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.

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

Parts & More

Dryer
Electric Cooktop
Gas Line Trimmer
Gas Range
Lcd Television
Microwave/Hood Combo
Parts
Side-By-Side Refrigerator
Washer