Video & Articles: Appliance & Equipment RepairHusqvarna Leaf Blower Carburetor Kit #K21-WYA

Husqvarna Leaf Blower Carburetor Kit #K21-WYA

07:47
This video provides step-by-step repair instructions for installing the carburetor repair kit on a Husqvarna leaf blower. The most common reasons for installing the kit are when the leaf blower won’t start or runs poorly.


All of the information in this carburetor repair kit installation video is applicable to following brands: Husqvarna

Tools used: needle nose pliers, T-27 Torx bit, phillips head screwdriver, flat head screwdriver



Step By Step Instructions

1
Before you remove the carburetor from your leaf blower make sure the engine has cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Unthread the screws to release the air filter cover.
4
Remove the filter and the filter gasket.
5
Lift off the throttle control cover as well as the locking cap.
6
Use needle-nose pliers to rotate the throttle plate clockwise to release the tension and detach the throttle cable.
7
Note the orientation of the primer and intake hoses then disconnect them from the carburetor.
8
Next, use a t-27 torx bit or a flat-head screwdriver to unthread the carburetor mounting bolts.
9
Slide off the gasket and remove the carburetor.
10
Use a small phillips-head screwdriver to unthread the screws securing the pump base components.
11
Lift off the primer bulb and plate.
12
Use a small flat-head screwdriver to help detach the metering plate and the pump base.
13
Remove the old pump diaphragm and gasket from the base.
14
Use the small flat-head screwdriver to help remove the old filter screen.
15
Unthread the screw securing the pin, needle arm and spring.
16
Pry out the jet and remove the “o”-ring. You’re now ready to install the new carburetor repair kit components.
17
Slide the new “o”-ring onto the jet and reinsert the jet back into the hole in the carburetor body.
18
Insert the pin through the needle arm then align the needle on the arm.
19
Realign the spring if necessary then position the needle and arm assembly and secure it with the screw.
20
Insert the new filter screen into the pump base.
21
Align the pump diaphragm on the pump base followed by the gasket.
22
Remove the old metering diaphragm and gasket from the metering plate.
23
Align the new diaphragm on the plate followed by the gasket.
24
Position the primer bulb and plate on the metering plate.
25
Insert a screw through the primer bulb plate and align the pump base components.
26
Position the assembly on the carburetor body.
27
Thread and tighten all of the screws.
28
Confirm that the mounting bolts are inserted through the air filter housing.
29
Now slide the carburetor onto the bolts followed by the gasket.
30
Thread the bolts into the insulator and tighten.
31
Connect the intake and primer hoses to the appropriate ports on the carburetor.
32
Insert the throttle cable through the hole in the throttle bracket then align the cable in the swivel on the plate.
33
If the cable tension needs to be adjusted, loosen the locking nut then rotate the tensioner to increase or decrease the tension.
34
The throttle plate should be in contact with the adjustment screw.
35
With the tension set, tighten the locking nut.
36
Secure the cable with the locking cap and replace the throttle control cover.
37
Reposition the air filter gasket in the housing and realign the air filter in the gasket.
38
Replace the cover and thread the screws to secure.
39
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.
Description
This video provides step-by-step repair instructions for installing the carburetor repair kit on a Husqvarna leaf blower. The most common reasons for installing the kit are when the leaf blower won’t start or runs poorly.


All of the information in this carburetor repair kit installation video is applicable to following brands: Husqvarna

Tools used: needle nose pliers, T-27 Torx bit, phillips head screwdriver, flat head screwdriver



Step-By-Step Instructions
1
Before you remove the carburetor from your leaf blower make sure the engine has cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Unthread the screws to release the air filter cover.
4
Remove the filter and the filter gasket.
5
Lift off the throttle control cover as well as the locking cap.
6
Use needle-nose pliers to rotate the throttle plate clockwise to release the tension and detach the throttle cable.
7
Note the orientation of the primer and intake hoses then disconnect them from the carburetor.
8
Next, use a t-27 torx bit or a flat-head screwdriver to unthread the carburetor mounting bolts.
9
Slide off the gasket and remove the carburetor.
10
Use a small phillips-head screwdriver to unthread the screws securing the pump base components.
11
Lift off the primer bulb and plate.
12
Use a small flat-head screwdriver to help detach the metering plate and the pump base.
13
Remove the old pump diaphragm and gasket from the base.
14
Use the small flat-head screwdriver to help remove the old filter screen.
15
Unthread the screw securing the pin, needle arm and spring.
16
Pry out the jet and remove the “o”-ring. You’re now ready to install the new carburetor repair kit components.
17
Slide the new “o”-ring onto the jet and reinsert the jet back into the hole in the carburetor body.
18
Insert the pin through the needle arm then align the needle on the arm.
19
Realign the spring if necessary then position the needle and arm assembly and secure it with the screw.
20
Insert the new filter screen into the pump base.
21
Align the pump diaphragm on the pump base followed by the gasket.
22
Remove the old metering diaphragm and gasket from the metering plate.
23
Align the new diaphragm on the plate followed by the gasket.
24
Position the primer bulb and plate on the metering plate.
25
Insert a screw through the primer bulb plate and align the pump base components.
26
Position the assembly on the carburetor body.
27
Thread and tighten all of the screws.
28
Confirm that the mounting bolts are inserted through the air filter housing.
29
Now slide the carburetor onto the bolts followed by the gasket.
30
Thread the bolts into the insulator and tighten.
31
Connect the intake and primer hoses to the appropriate ports on the carburetor.
32
Insert the throttle cable through the hole in the throttle bracket then align the cable in the swivel on the plate.
33
If the cable tension needs to be adjusted, loosen the locking nut then rotate the tensioner to increase or decrease the tension.
34
The throttle plate should be in contact with the adjustment screw.
35
With the tension set, tighten the locking nut.
36
Secure the cable with the locking cap and replace the throttle control cover.
37
Reposition the air filter gasket in the housing and realign the air filter in the gasket.
38
Replace the cover and thread the screws to secure.
39
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.

Applicable Product Model

Parts Needed
Recommended Tools and Accessories
Fuel Tank
Fuel Tank
$31.52
Fuel Tank
Fuel Tank
$54.38
Total$0.00

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