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Troybilt
Gas Walk-Behind Mower

Model # 88992 Official Troybilt lawn mower

Here are the diagrams and repair parts for Official Troybilt 88992 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.

Model diagram and schematic

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Showing 10 of 189 parts  |
Bearing 97047
#10

Chassis components, drive arm, cutter bar support, and flywh diagram

Bearing

Part #97047

Replaced by #941-0600

?
Manufacturer substitution
This part replaces 97047. Substitute parts can look different from the original.
BEST SELLER
$28.71 | 
17% OFF Phone Price : $34.71
In Stock
Nut 92016
Nut

Part #92016

Replaced by #712-0429

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Manufacturer substitution
This part replaces 92016. Substitute parts can look different from the original.
This item is not returnable
$7.06
Back Order
Clevis Pin 9380
#4

Wheel drive mechanism/wheels diagram

Clevis pin

Part #9380

Replaced by #711-04126

?
Manufacturer substitution
This part replaces 9380. Substitute parts can look different from the original.
This item is not returnable
$7.20
In Stock
Bolt 90068
#17

Cutter bar drive mechanism, engine oil drain tube, and wheel diagram

Bolt

Part #90068

Replaced by #710-0176

?
Manufacturer substitution
This part replaces 90068. Substitute parts can look different from the original.
This item is not returnable
$7.71
In Stock
Screw 1900396
Screw

Part #1900396

Replaced by #1900396

?
Manufacturer substitution
This part replaces 1900396. Substitute parts can look different from the original.
$10.34
In Stock
Blade Guide P406654
#10

Cutter bar assembly diagram

Blade guide

Part #P406654

Replaced by #GW-P406654

?
Manufacturer substitution
This part replaces P406654. Substitute parts can look different from the original.
$85.16
In Stock
Nut 9848
Nut

Part #9848

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 9848. Substitute parts can look different from the original.
$7.83
In Stock
Bolt 90044
#34

Chassis components, drive arm, cutter bar support, and flywh diagram

Bolt

Part #90044

Replaced by #710-04043

?
Manufacturer substitution
This part replaces 90044. Substitute parts can look different from the original.
This item is not returnable
$6.29
In Stock
Key P406543
#11

Electric start items diagram

Key

Part #P406543

Replaced by #925-0201

?
Manufacturer substitution
This part replaces P406543. Substitute parts can look different from the original.
This item is not returnable
$13.77
In Stock
Shim 1166-1
#35

Wheel drive mechanism/wheels diagram

Shim

Part #1166-1

Replaced by #094908P

?
Manufacturer substitution
This part replaces 1166-1. Substitute parts can look different from the original.
$24.40
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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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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