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Honda Small Engine Carburetor Main Jet #99101-124-0600

05:08
10k
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This video provides step-by-step instructions for replacing a main jet gasket on Honda small engines. The most common reason for replacing a jet is if it is damaged or clogged.

All of the information in this main jet replacement video is applicable to the following brands: Honda

Tools used: 10mm socket, flat head screwdriver

Step By Step Instructions

1
Before you replace the main jet in your engine’s carburetor first 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 and close the fuel valve.
3
Press the retaining tabs down to release the air housing cover and set the cover and air filter aside
4
Use a 10mm socket to unthread the mounting bolts securing the air filter housing and carburetor.
5
Detach the filter housing from the breather tube.
6
Next, release the retaining clamp and detach the fuel line from the carburetor.
7
Disconnect the throttle return spring and the governor rod to release the carburetor.
8
Use a 10mm wrench to unthread the screw securing the carburetor bowl.
9
Lift off the bowl.
10
To protect the float from damage, remove the float pin and lift off the float and needle.
11
Use a small flat-head screwdriver to unthread the old main jet.
12
Before you install the new main jet confirm that the main nozzle is in place in the carburetor tube.
13
Now thread the new main jet into place.
14
Confirm that the needle is attached to the float then align the needle and float on the carburetor and insert the float pin to secure.
15
Confirm that the bowl gasket is in place then replace the bowl.
16
Thread and tighten the screw to secure.
17
Reinstall the carburetor by first connecting the governor rod and throttle return spring to the throttle arm.
18
Attach the fuel line and secure with the clamp.
19
Next, attach the breather tube to the air filter housing.
20
Insert the mounting bolts through the housing.
21
Slide on the air cleaner gasket followed by the carburetor.
22
Now slide on the air guide gasket followed by the choke control assembly.
23
Slide on the intake gasket then thread the bolts into the engine and tighten to secure.
24
Replace the air filter in the housing then align the lower cover tabs with the housing and snap the upper tabs into place.
25
With the repair completed reattach the wire and boot to the spark plug open the fuel valve and your engine should be ready for use.
Description
This video provides step-by-step instructions for replacing a main jet gasket on Honda small engines. The most common reason for replacing a jet is if it is damaged or clogged.

All of the information in this main jet replacement video is applicable to the following brands: Honda

Tools used: 10mm socket, flat head screwdriver
Step-By-Step Instructions
1
Before you replace the main jet in your engine’s carburetor first 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 and close the fuel valve.
3
Press the retaining tabs down to release the air housing cover and set the cover and air filter aside
4
Use a 10mm socket to unthread the mounting bolts securing the air filter housing and carburetor.
5
Detach the filter housing from the breather tube.
6
Next, release the retaining clamp and detach the fuel line from the carburetor.
7
Disconnect the throttle return spring and the governor rod to release the carburetor.
8
Use a 10mm wrench to unthread the screw securing the carburetor bowl.
9
Lift off the bowl.
10
To protect the float from damage, remove the float pin and lift off the float and needle.
11
Use a small flat-head screwdriver to unthread the old main jet.
12
Before you install the new main jet confirm that the main nozzle is in place in the carburetor tube.
13
Now thread the new main jet into place.
14
Confirm that the needle is attached to the float then align the needle and float on the carburetor and insert the float pin to secure.
15
Confirm that the bowl gasket is in place then replace the bowl.
16
Thread and tighten the screw to secure.
17
Reinstall the carburetor by first connecting the governor rod and throttle return spring to the throttle arm.
18
Attach the fuel line and secure with the clamp.
19
Next, attach the breather tube to the air filter housing.
20
Insert the mounting bolts through the housing.
21
Slide on the air cleaner gasket followed by the carburetor.
22
Now slide on the air guide gasket followed by the choke control assembly.
23
Slide on the intake gasket then thread the bolts into the engine and tighten to secure.
24
Replace the air filter in the housing then align the lower cover tabs with the housing and snap the upper tabs into place.
25
With the repair completed reattach the wire and boot to the spark plug open the fuel valve and your engine should be ready for use.

Applicable Product Model

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