Tecumseh
Lawn & Garden Engine

Model # V70-125203A Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh V70-125203A 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 169 parts  |

Needl/seat 631021
#12

Carburetor no. 631449 diagram

Needl/seat

Part #631021

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

O-ring 631028
#25

Carburetor no. 631449 diagram

O-ring

Part #631028

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

Fuel Line 29774
#134

Basic engine diagram

Fuel line

Part #29774

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

Breather Element Air Filter 28424
#55

Basic engine diagram

Breather element air filter

Part #28424

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

/carb Float 631023
#14

Carburetor no. 631449 diagram

/carb float

Part #631023

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

Float Bowl 631867
#16

Carburetor no. 631449 diagram

Float bowl

Part #631867

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

Plate 31588
#95

Basic engine diagram

Plate

Part #31588

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

Plug 631027
#11

Carburetor no. 631449 diagram

Plug

Part #631027

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

Clip 631022
#13

Carburetor no. 631449 diagram

Clip

Part #631022

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

/gvnr Clamp 31335
#36

Basic engine diagram

/gvnr clamp

Part #31335

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

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor...

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up...

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank...

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor...

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor...

Repair guides for gas leaf blowers

These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

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

Repair difficulty
Time required
60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t...

Repair difficulty
Time required
15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself...

Repair difficulty
Time required
60 minutes or less

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

Use the advice and tips in these articles to get the most out of your leaf blower.

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....

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts....