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Bolens
Gas Walk-Behind Mower

Model # 136 Official Bolens lawn mower

Here are the diagrams and repair parts for Official Bolens 136 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 40 parts  |
Lawn Vacuum Hose Handle Plug 720-0369
#3

13" electric mower diagram

Lawn vacuum hose handle plug

Part #720-0369

$22.46
In Stock
Restraint-co 726-0368-0637
#35

13" electric mower diagram

Restraint-co

Part #726-0368-0637

Replaced by #726-0368

?
Manufacturer substitution
This part replaces 726-0368-0637. Substitute parts can look different from the original.
$7.98
In Stock
Wheel 734-1885-0637
#28

13" electric mower diagram

Wheel

Part #734-1885-0637

Replaced by #734-04201

?
Manufacturer substitution
This part replaces 734-1885-0637. Substitute parts can look different from the original.
$52.37
In Stock
Washer A3,2 736-0766
#40

13" electric mower diagram

Washer a3,2

Part #736-0766

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

Upper Handle 749-1042A
#1

13" electric mower diagram

Upper handle

Part #749-1042A

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

Lock Washer 736-0649
#5

13" electric mower diagram

Lock washer

Part #736-0649

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

Cable Guide 731-2427
#9

13" electric mower diagram

Cable guide

Part #731-2427

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

Cover Bag 731-2426-0637
#38

13" electric mower diagram

Cover bag

Part #731-2426-0637

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

Electric Motor 724-0310
#13

13" electric mower diagram

Electric motor

Part #724-0310

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

Screw 710-1756
#14

13" electric mower diagram

Screw

Part #710-1756

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

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

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…

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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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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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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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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