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Troybilt
Gas Walk-Behind Mower

Model # 909J Official Troybilt lawn mower

Here are the diagrams and repair parts for Official Troybilt 909J lawn mower, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 86 parts  |
Screw-hwh GW-9552
#48

Mower deck/engine/bag diagram

Screw-hwh

Part #GW-9552

Replaced by #710-0599

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Manufacturer substitution
This part replaces GW-9552. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock
Lawn & Garden Equipment Wing Nut (replaces 01002925, 920-0279) 720-0279
#17

Handle diagram

Lawn & garden equipment wing nut (replaces 01002925, 920-0279)

Part #720-0279

This item is not returnable
$6.87 | 
13% OFF Phone Price : $7.87
In Stock
Cable Tie 1763682
#10

Handle diagram

Cable tie

Part #1763682

Replaced by #726-0178

?
Manufacturer substitution
This part replaces 1763682. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Cap 1727342
#8

Mower deck/engine/bag diagram

Cap

Part #1727342

Replaced by #726-0135

?
Manufacturer substitution
This part replaces 1727342. Substitute parts can look different from the original.
This item is not returnable
$10.46 | 
16% OFF Phone Price : $12.46
In Stock
Scr-hflk 1/4 1917088
#15

Mower deck/engine/bag diagram

Scr-hflk 1/4

Part #1917088

Replaced by #710-1206

?
Manufacturer substitution
This part replaces 1917088. Substitute parts can look different from the original.
This item is not returnable
$10.87 | 
16% OFF Phone Price : $12.87
In Stock
Hex Screw 1723037
#36

Mower deck/engine/bag diagram

Hex screw

Part #1723037

Replaced by #710-0623

?
Manufacturer substitution
This part replaces 1723037. Substitute parts can look different from the original.
This item is not returnable
$5.80
In Stock
Axle Bearing 1917014
#37

Mower deck/engine/bag diagram

Axle bearing

Part #1917014

This item is not returnable
$5.71
In Stock
Lawn & Garden Equipment Hex Bolt 1186309
#46

Mower deck/engine/bag diagram

Lawn & garden equipment hex bolt

Part #1186309

This item is not returnable
$3.63
In Stock
Snap Ring GW-9516
#41

Mower deck/engine/bag diagram

Snap ring

Part #GW-9516

This item is not returnable
$6.57
In Stock
Lawn & Garden Equipment Belleville Washer GW-9928
#28

Mower deck/engine/bag diagram

Lawn & garden equipment belleville washer

Part #GW-9928

$20.66
In Stock

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower run rough?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower vibrate a lot?

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

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Why won't my lawn mower start?

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

Read more

Why does my lawn mower stall?

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

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Why won't my lawn mower move?

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

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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.

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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…

Read more
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. …

Read more
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…

Read more
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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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