Tecumseh
Lawn & Garden Engine

Model # HM80-155141C Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HM80-155141C 4-cycle engine, 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 205 parts  |

Spark Plug 34251
#65A

Basic engine diagram

Spark plug

Part #34251

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

Primer Line 32180A
#138

Basic engine diagram

Primer line

Part #32180A

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

Gasket 27110
#21

Carburetor no. 631924 diagram

Gasket

Part #27110

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

Breather Element Air Filter 28424
#67

Basic engine diagram

Breather element air filter

Part #28424

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

Gasket 33861
#75

Basic engine diagram

Gasket

Part #33861

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

Cover 610118
#49

Basic engine diagram

Cover

Part #610118

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

Screw 650765
#102

Basic engine diagram

Screw

Part #650765

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

Plate 31588
#121

Basic engine diagram

Plate

Part #31588

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

Governor Linkage 33878
#85

Basic engine diagram

Governor linkage

Part #33878

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

/fuel Clamp 26460
#79

Basic engine diagram

/fuel clamp

Part #26460

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

Symptoms for gas line trimmers

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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