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Toro
Gas Walk-Behind Mower

Model # 20017 Official Toro lawn mower

Here are the diagrams and repair parts for Official Toro 20017 lawn mower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 115 parts  |
Pinion Gear 105-3040
#4

Rear axle/transmission diagram

Pinion gear

Part #105-3040

This item is not returnable
$7.71
In Stock
Lawn Mower Screw 32144-85
#15

Engine & blade assembly diagram

Lawn mower screw

Part #32144-85

This item is not returnable
$3.31
In Stock
Lawn-boy Lawn Mower Screw 95-1726
#6

Engine & blade assembly diagram

Lawn-boy lawn mower screw

Part #95-1726

This item is not returnable
$3.74
In Stock
Pivot Arm 105-1819
#9

Rear axle/transmission diagram

Pivot arm

Part #105-1819

This item is not returnable
$16.23
In Stock
Lawn Mower Transmission Case, Upper 104-8674
#9

Transmission assembly diagram

Lawn mower transmission case, upper

Part #104-8674

$22.06
In Stock
Gear Cover 104-8675-03
#10

Transmission assembly diagram

Gear cover

Part #104-8675-03

$12.43
In Stock
Washer-ste 105-3006
#29

Housing assembly diagram

Washer-ste

Part #105-3006

This item is not returnable
$5.29
In Stock
Lawn Mower Discharge Chute 105-1842
#24

Housing assembly diagram

Lawn mower discharge chute

Part #105-1842

$18.83
In Stock
Warning Decal 105-1295
#19:2

Housing assembly diagram

Warning decal

Part #105-1295

This item is not returnable
$4.74
In Stock
Belt Cover 105-3005
#13

Front axle & wheel assembly diagram

Belt cover

Part #105-3005

$13.14
In Stock

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Why does my lawn mower run rough?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower vibrate a lot?

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

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

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

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Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
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Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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