Tecumseh
Lawn & Garden Engine

Model # HS50-67161C Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HS50-67161C 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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ALL PARTS
Showing 10 of 183 parts  |

Spark Plug 34251
#37A

Basic engine diagram

Spark plug

Part #34251

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

Needl/seat 631021
#12

Carburetor diagram

Needl/seat

Part #631021

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

O-ring 631028
#25

Carburetor diagram

O-ring

Part #631028

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

Gasket 27110
#21

Carburetor diagram

Gasket

Part #27110

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

Float 632019
#14

Carburetor diagram

Float

Part #632019

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

Terminal 610973
#148

Basic engine diagram

Terminal

Part #610973

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

Fuel Fitting 631807
#26

Carburetor diagram

Fuel fitting

Part #631807

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

Element 31410
#40

Basic engine diagram

Element

Part #31410

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

Gasket 27677
#28

Basic engine diagram

Gasket

Part #27677

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

Governor Gear Assembly 30591
#107

Basic engine diagram

Governor gear assembly

Part #30591

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

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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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