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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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ALL PARTS
Showing 10 of 189 parts  |
Nut 92017
Nut

Part #92017

Replaced by #712-3004A

?
Manufacturer substitution
This part replaces 92017. Substitute parts can look different from the original.
This item is not returnable
$4.92 | 
17% OFF Phone Price : $5.92
In Stock
Tire 1234-1
#6

Wheel drive mechanism/wheels diagram

Tire

Part #1234-1

Replaced by #734-0808A

?
Manufacturer substitution
This part replaces 1234-1. Substitute parts can look different from the original.
$107.54 | 
10% OFF Phone Price : $119.54
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
Grip 9126
#7

Handlebars, control levers, and throttle lever diagram

Grip

Part #9126

Replaced by #720-0274

?
Manufacturer substitution
This part replaces 9126. Substitute parts can look different from the original.
This item is not returnable
$17.54 | 
10% OFF Phone Price : $19.54
In Stock
Knob 9212
#9

Handlebars, control levers, and throttle lever diagram

Knob

Part #9212

Replaced by #731-0108

?
Manufacturer substitution
This part replaces 9212. Substitute parts can look different from the original.
This item is not returnable
$16.06
In Stock
Bolt 90045
#29

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

Bolt

Part #90045

Replaced by #710-04048

?
Manufacturer substitution
This part replaces 90045. Substitute parts can look different from the original.
$8.29
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
Bolt P406915
#7

Cutter bar assembly diagram

Bolt

Part #P406915

Replaced by #710-1683

?
Manufacturer substitution
This part replaces P406915. Substitute parts can look different from the original.
This item is not returnable
$6.34
In Stock
Scr Hh Flr 90047
Scr hh flr

Part #90047

Replaced by #1186349

?
Manufacturer substitution
This part replaces 90047. Substitute parts can look different from the original.
This item is not returnable
$6.14
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

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…

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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

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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…

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

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

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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…

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Repair difficulty
Time required
 45 minutes or less

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