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MTD
Gas Leaf Blower

Model # YM320BV Official MTD blower

Here are the diagrams and repair parts for Official MTD YM320BV blower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 76 parts  |
Yard Machines Line Trimmer Fuel Line (replaces 791-180243, 791-181168, 791-182495) 791-181086
#19

Cylinder/fuel tank/flywheel diagram

Yard machines line trimmer fuel line (replaces 791-180243, 791-181168, 791-182495)

Part #791-181086

$10.88 | 
16% OFF Phone Price : $12.88
In Stock
Yard-man Lawn & Garden Equipment Screw (replaces Gw-9733) 791-181862
#31

Cylinder/fuel tank/flywheel diagram

Yard-man lawn & garden equipment screw (replaces gw-9733)

Part #791-181862

This item is not returnable
$5.81 | 
15% OFF Phone Price : $6.81
In Stock
Line Trimmer Fuel Line Assembly (replaces 753-04886) 791-682039
#20

Cylinder/fuel tank/flywheel diagram

Line trimmer fuel line assembly (replaces 753-04886)

Part #791-682039

This item is not returnable
$22.44 | 
21% OFF Phone Price : $28.44
In Stock
Yard Machines Lawn & Garden Equipment Engine Air Filter 791-180350B
#2

Cylinder/fuel tank/flywheel diagram

Yard machines lawn & garden equipment engine air filter

Part #791-180350B

This item is not returnable
$13.02 | 
13% OFF Phone Price : $15.02
In Stock
Starter Handle 791-181079
#29

Cylinder/fuel tank/flywheel diagram

Starter handle

Part #791-181079

Replaced by #631-04164B

?
Manufacturer substitution
This part replaces 791-181079. Substitute parts can look different from the original.
This item is not returnable
$6.19 | 
14% OFF Phone Price : $7.19
In Stock
Muffler Screw 753-04620
#38

Cylinder/fuel tank/flywheel diagram

Muffler screw

Part #753-04620

Replaced by #710-04188A

?
Manufacturer substitution
This part replaces 753-04620. Substitute parts can look different from the original.
This item is not returnable
$6.35 | 
14% OFF Phone Price : $7.35
In Stock
Yard-man Lawn & Garden Equipment Engine Recoil Starter Spring 791-613102
#26

Cylinder/fuel tank/flywheel diagram

Yard-man lawn & garden equipment engine recoil starter spring

Part #791-613102

This item is not returnable
$29.84
In Stock
Leaf Blower Carburetor (replaces 753-04144) 753-04408
#8

Cylinder/fuel tank/flywheel diagram

Leaf blower carburetor (replaces 753-04144)

Part #753-04408

$96.27
In Stock
Leaf Blower Vacuum Bag Adapter 791-182477
#24

Handle/impeller/vac diagram

Leaf blower vacuum bag adapter

Part #791-182477

$38.91
In Stock
Yard-man Lawn & Garden Equipment Engine Piston Ring Set 753-1209

#NI02

All parts diagram

Yard-man lawn & garden equipment engine piston ring set

Part #753-1209

$54.07 | 
10% OFF Phone Price : $60.07
In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

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Why does a leaf blower vibrate excessively?

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

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What should I do if my leaf blower engine smokes?

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

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What should I do if my leaf blower leaks gas?

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

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Why does my leaf blower run roughly?

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

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Why won't my leaf blower start?

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

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Repair guides for gas leaf blowers

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

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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 …

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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…

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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…

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Repair difficulty
Time required
 60 minutes or less

Articles and videos for gas leaf blowers

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

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Top questions about Sears and Sears PartsDirect

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Preparing a leaf blower for long-term storage

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Follow these easy steps to prepare you leaf blower for long-term storage.…

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Leaf blower common questions

Leaf blower common questions

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