Homelite
Gas Walk-Behind Mower

Model # T20 Official Homelite lawn mower

Here are the diagrams and repair parts for Official Homelite T20 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 56 parts  |

Washer JA-45302-3
#28

Figure 1 diagram

Washer

Part #JA-45302-3

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

Blade JA-39242-2
#37

Figure 1 diagram

Blade

Part #JA-39242-2

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

Knob JA-33662-3
#6

Figure 1 diagram

Knob

Part #JA-33662-3

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

Spring JA-99008-7
#7

Figure 1 diagram

Spring

Part #JA-99008-7

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

Adapter JA-24170-8
#36

Figure 1 diagram

Adapter

Part #JA-24170-8

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

Nut JA-44310-6
#13

Figure 2 diagram

Nut

Part #JA-44310-6

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

Screw JA-99319-7
#8

Figure 2 diagram

Screw

Part #JA-99319-7

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

Bolt JA-35910-2
#11

Figure 2 diagram

Bolt

Part #JA-35910-2

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

Handle JA-99189-4
#2

Figure 2 diagram

Handle

Part #JA-99189-4

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

Walk-behind Lawn Mower Engine 090702-3131
#17

Figure 1 diagram

Walk-behind lawn mower engine

Part #090702-3131

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

Symptoms for gas walk-behind mowers

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

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…

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

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

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…

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 spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 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 difficulty
Time required
 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.

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