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
Wheel 734-1885-0637
#28

13" electric mower diagram

Wheel

Part #734-1885-0637

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

Plate Holder 782-0609
#26

13" electric mower diagram

Plate holder

Part #782-0609

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

Blade Hub 631-0148
#15

13" electric mower diagram

Blade hub

Part #631-0148

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

Guide Rod 747-1010
#34

13" electric mower diagram

Guide rod

Part #747-1010

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

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

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

Box Air Guide 731-2224
#12

13" electric mower diagram

Box air guide

Part #731-2224

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

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

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

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

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…

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 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.…

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.…

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.…

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.

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.…

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.…

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.…