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Kawasaki
Lawn & Garden Engine

Model # S621 Official Kawasaki engine

Here are the diagrams and repair parts for Official Kawasaki S621 engine, as well as links to manuals and error code tables, if available.

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ALL PARTS
Showing 10 of 145 parts  |
Craftsman Lawn & Garden Equipment Engine Carburetor Primer (replaces 49043-7002) KM-49043-7002
#15

Carburetor diagram

Craftsman lawn & garden equipment engine carburetor primer (replaces 49043-7002)

Part #KM-49043-7002

$16.86
In Stock
Craftsman O-ring KM-670D2016
#12

Lubrication - equipment diagram

Craftsman o-ring

Part #KM-670D2016

This item is not returnable
$4.31
In Stock
Craftsman Throttle Spring KM-92081-2234
#20

Carburetor diagram

Craftsman throttle spring

Part #KM-92081-2234

This item is not returnable
$6.00
In Stock
Craftsman Float Valve KM-16009-2136
#7

Carburetor diagram

Craftsman float valve

Part #KM-16009-2136

$40.42
In Stock
Bolt KM-92153-7007
Bolt

Part #KM-92153-7007

$9.43
In Stock
Craftsman Lawn & Garden Equipment Engine Flywheel Key KM-92038-2077
#8

Electrical - equipment diagram

Craftsman lawn & garden equipment engine flywheel key

Part #KM-92038-2077

This item is not returnable
$6.60
In Stock
Craftsman Limiter KM-39076-7001
#14

Carburetor diagram

Craftsman limiter

Part #KM-39076-7001

$11.44
In Stock
Mtd Sleeve KM-42036-2051
#4

Control - equipment diagram

Mtd sleeve

Part #KM-42036-2051

This item is not returnable
$5.23
In Stock
Craftsman Fuel Hose KM-92192-7005
#7

Fuel tank/fuel valve diagram

Craftsman fuel hose

Part #KM-92192-7005

$8.89
In Stock
Craftsman Retainer-valve Spring KM-12009-7001
#3

Valve/camshaft diagram

Craftsman retainer-valve spring

Part #KM-12009-7001

$10.60
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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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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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

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
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 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 walk-behind lawn mower.

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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

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