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Murray
Gas Walk-Behind Mower

Model # 20646X9A Official Murray lawn mower

Here are the diagrams and repair parts for Official Murray 20646X9A lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 86 parts  |
Nut 15X116
#5

Handle diagram

Nut

Part #15X116

Replaced by #703232

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Manufacturer substitution
This part replaces 15X116. Substitute parts can look different from the original.
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This item is not returnable
$6.24 | 
14% OFF Phone Price : $7.24
In Stock
Wing Nut 71294
#13

Handle diagram

Wing nut

Part #71294

Replaced by #1501260MA

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Manufacturer substitution
This part replaces 71294. Substitute parts can look different from the original.
$10.93 | 
15% OFF Phone Price : $12.93
In Stock
Wing Nut 71495
#66

Engine diagram

Wing nut

Part #71495

Replaced by #1501260MA

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Manufacturer substitution
This part replaces 71495. Substitute parts can look different from the original.
$10.93 | 
15% OFF Phone Price : $12.93
In Stock
Washer .51-1 17X120
#43

Engine diagram

Washer .51-1

Part #17X120

Replaced by #703128

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Manufacturer substitution
This part replaces 17X120. Substitute parts can look different from the original.
This item is not returnable
$6.31
In Stock
20" Blade 671921E701
#48

Engine diagram

20" blade

Part #671921E701

Replaced by #672763E701MA

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Manufacturer substitution
This part replaces 671921E701. Substitute parts can look different from the original.

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$34.71
In Stock
Cap 28X42
#71

Engine diagram

Cap

Part #28X42

Replaced by #28X42MA

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Manufacturer substitution
This part replaces 28X42. Substitute parts can look different from the original.
This item is not returnable
$7.11
In Stock
Dustcover 8" 71780
#44

Engine diagram

Dustcover 8"

Part #71780

Replaced by #71780MA

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Manufacturer substitution
This part replaces 71780. Substitute parts can look different from the original.
$10.74
In Stock
Bolt 2X16
#51

Engine diagram

Bolt

Part #2X16

Replaced by #2X16MA

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Manufacturer substitution
This part replaces 2X16. Substitute parts can look different from the original.
This item is not returnable
$7.06
In Stock
Whl 8x2.00 B 672083
#42

Engine diagram

Whl 8x2.00 b

Part #672083

Replaced by #71133MA

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Manufacturer substitution
This part replaces 672083. Substitute parts can look different from the original.
$68.43 | 
8% OFF Phone Price : $74.43
In Stock
Bolt 2X53
#21

Engine diagram

Bolt

Part #2X53

Replaced by #703159

?
Manufacturer substitution
This part replaces 2X53. Substitute parts can look different from the original.
This item is not returnable
$6.69
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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