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Troybilt
Gas Walk-Behind Mower

Model # 8654RS Official Troybilt walk-behind lawn mower

Here are the diagrams and repair parts for Official Troybilt 8654RS walk-behind 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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Model diagram and schematic

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Showing 10 of 139 parts  |
Washer B1100254
#59

Engine diagram

Washer

Part #B1100254

Replaced by #736-0159

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Manufacturer substitution
This part replaces B1100254. Substitute parts can look different from the original.
This item is not returnable
$5.73 | 
15% OFF Phone Price : $6.73
In Stock
Push Cap B1724791
#40

Engine diagram

Push cap

Part #B1724791

Replaced by #726-0100

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Manufacturer substitution
This part replaces B1724791. Substitute parts can look different from the original.
This item is not returnable
$7.43
In Stock
Lock Nut B1732499
#50

Engine diagram

Lock nut

Part #B1732499

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

Cap B1727342
#11

Handle assembly diagram

Cap

Part #B1727342

Replaced by #726-0135

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Manufacturer substitution
This part replaces B1727342. Substitute parts can look different from the original.
This item is not returnable
$10.46 | 
16% OFF Phone Price : $12.46
In Stock
Screw B1100913
#25

Handle assembly diagram

Screw

Part #B1100913

Replaced by #710-3001

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Manufacturer substitution
This part replaces B1100913. Substitute parts can look different from the original.
$12.29
In Stock
Screw B1111607
#64

Engine diagram

Screw

Part #B1111607

Replaced by #710-0395

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Manufacturer substitution
This part replaces B1111607. Substitute parts can look different from the original.
$8.09
In Stock
Screw B1731025
#83

Handle assembly diagram

Screw

Part #B1731025

Replaced by #710-1174

?
Manufacturer substitution
This part replaces B1731025. Substitute parts can look different from the original.
This item is not returnable
$10.97 | 
15% OFF Phone Price : $12.97
In Stock
Pop Rivet B1185878
#17

Handle assembly diagram

Pop rivet

Part #B1185878

Replaced by #928-0123

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Manufacturer substitution
This part replaces B1185878. Substitute parts can look different from the original.
$8.63
In Stock
Belt B1755565
#10

Engine diagram

Belt

Part #B1755565

Replaced by #1755565

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Manufacturer substitution
This part replaces B1755565. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$23.96
In Stock
Screw B1754128
Screw

Part #B1754128

Replaced by #1754128

?
Manufacturer substitution
This part replaces B1754128. Substitute parts can look different from the original.
This item is not returnable
$6.14
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 vibrate a lot?

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

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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 run rough?

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

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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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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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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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 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

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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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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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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