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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Model diagram and schematic

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Showing 10 of 40 parts  |

Ryobi Lawn Vacuum Hose Handle Plug 720-0369
#3

13" electric mower diagram

Ryobi lawn vacuum hose handle plug

Part #720-0369

In Stock
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

Blade Bolt 6240077
#18

13" electric mower diagram

Blade bolt

Part #6240077

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

Hex Nut 712-0690
#6

13" electric mower diagram

Hex nut

Part #712-0690

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

Lock Washer 731-1961
#17

13" electric mower diagram

Lock washer

Part #731-1961

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

Switch Plug 725-1941
#8

13" electric mower diagram

Switch plug

Part #725-1941

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

Rod 747-1072
#20

13" electric mower diagram

Rod

Part #747-1072

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

Blade 742-0804
#16

13" electric mower diagram

Blade

Part #742-0804

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

Screw  M6x30 710-1758
#33

13" electric mower diagram

Screw m6x30

Part #710-1758

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

Wheel 734-1884-0637
#27

13" electric mower diagram

Wheel

Part #734-1884-0637

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.

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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…