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Lawn-Boy 4502 lawn mower

Lawn-Boy 4502 lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy 4502 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 4502 Walk-Behind Mowers

  • Flywheel for Lawn-Boy 4502 - Part 682205

    Engine group diagram

    Flywheel

    Part #682205

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

  • Float Arm for Lawn-Boy 4502 - Part 678113

    Engine group diagram

    Float Arm

    Part #678113

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

  • Support Bracket, Right for Lawn-Boy 4502 - Part 610030

    Drive group diagram

    Support Bracket, Right

    Part #610030

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

  • Cup Pin for Lawn-Boy 4502 - Part 681603

    Engine group diagram

    Cup Pin

    Part #681603

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

  • Decal for Lawn-Boy 4502 - Part 145027

    Drive group diagram

    Decal

    Part #145027

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

  • Screw for Lawn-Boy 4502 - Part 610096

    Screw

    Part #610096

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

  • Washer for Lawn-Boy 4502 - Part 603037

    Drive group diagram

    Washer

    Part #603037

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

  • Bracket for Lawn-Boy 4502 - Part 610037

    Drive group diagram

    Bracket

    Part #610037

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

  • Nut for Lawn-Boy 4502 - Part 603773

    Nut

    Part #603773

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

Most common symptoms to help you fix your walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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