Murray
Gas Walk-Behind Mower

Model # 7800258 (M2255FC) Official Murray lawn mower

Here are the diagrams and repair parts for Official Murray 7800258-M2255FC lawn mower, as well as links to manuals and error code tables, if available.

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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 159 parts  |

Hln-1/4c-bz 7076978SM
Hln-1/4c-bz

Part #7076978SM

Replaced by #703232

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Manufacturer substitution
This part replaces 7076978SM. Substitute parts can look different from the original.
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Flange Nut 7091601SM
Flange nut

Part #7091601SM

Replaced by #703409

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Manufacturer substitution
This part replaces 7091601SM. Substitute parts can look different from the original.
$9.27
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Lawn & Garden Equipment Bolt 340720MA
#19

Deck - push, m22550fc diagram

Lawn & garden equipment bolt

Part #340720MA

Replaced by #703225

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Manufacturer substitution
This part replaces 340720MA. Substitute parts can look different from the original.
This item is not returnable
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Hcln 3/8c Gr 7091585SM
Hcln 3/8c gr

Part #7091585SM

Replaced by #703347

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Manufacturer substitution
This part replaces 7091585SM. Substitute parts can look different from the original.
This item is not returnable
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Blade  22  W 7100851YP
#9

Engine/blade/front cover diagram

Blade 22 w

Part #7100851YP

Replaced by #7100851AYP

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Manufacturer substitution
This part replaces 7100851YP. Substitute parts can look different from the original.
This item is not returnable

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$21.24
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Briggs And Stratton Control, Drive 7101858YP
#8

Handles & controls - self-propelled diagram

Briggs and stratton control, drive

Part #7101858YP

In Stock
Wheel 7500860YP
Wheel

Part #7500860YP

In Stock
Hoc Assy Mur 7501064YP
Hoc assy mur

Part #7501064YP

In Stock
Walk-behind Lawn Mower Engine Decal 7102268YP
#6

Decals diagram

Walk-behind lawn mower engine decal

Part #7102268YP

In Stock
Decal Deck P 7102314YP
#4

Decals diagram

Decal deck p

Part #7102314YP

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Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

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…

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. …

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…

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.

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.…

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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