Video & Articles: Appliance & Equipment Repair>Briggs & Stratton Riding Mower Engine Carburetor Float #694914

Briggs & Stratton Riding Mower Engine Carburetor Float #694914

06:24
This video provides step-by-step repair instructions for replacing the carburetor float on a Briggs and Stratton small engine. The most common reason for replacing the float is when the engine is leaking gas.

All of the information for this carburetor float replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere

Tools needed: 1/4 inch socket or nut driver, 3/8th inch socket or nut driver, 7/16th inch socket, 5/16th inch wrench, Phillips-head screwdriver

Step By Step Instructions

1
Before you begin the procedure of removing the carburetor from the engine, make sure the engine has cooled, the ignition switch is in the off position, and the key has been removed if applicable.
2
If necessary, disconnect the headlight wire harness.
3
Then, lift up the hood or engine cover and detach it.
4
Now, rotate the air filter cover retaining knobs counterclockwise and pull off the cover.
5
Lift out the air filter.
6
Use a quarter inch socket or nut driver to unthread the screw inside the filter housing.
7
Now, use a 3/8 inch socket or wrench to unthread the four blower housing mounting bolts.
8
Detach the oil drain tube and lift off the blower housing.
9
Use a 7/16 inch socket to unthread the mounting nuts securing the air inlet pipe.
10
Detach the breather tube and set the pipe aside.
11
Use locking pliers to crimp the fuel line.
12
Release the retaining clamp and pull the fuel line off of the carburetor.
13
Disconnect the solenoid wire harness.
14
Use a 5/16 inch deep well socket or nut driver to unthread the carburetor mounting bolts.
15
Note the orientation of the linkages, then detach the throttle rod and spring and release the carburetor from the choke rod.
16
Use a Philips head screwdriver to remove the screws securing the carburetor bowl.
17
Remove the bowl.
18
Pull out the float pin, then lift out the old float and needle.
19
Prepare the new float for installation by hooking on the needle.
20
Now, insert the needle in the hole on the float base as you align the float, then secure it with the new pin.
21
Replace the bowl and secure it with the screws.
22
Now, reattach the carburetor to the choke rod.
23
Attach the throttle rod and spring.
24
Confirm that the gasket is in place on the intake manifold.
25
Position the carburetor, then thread the mounting bolts and tighten.
26
Connect the solenoid wire harness.
27
Attach the fuel line to the carburetor.
28
Secure it with the retaining clamp and remove the locking pliers.
29
Confirm that the o-ring is in place on the air inlet pipe.
30
Then, align the pipe on the carburetor and secure it with the mounting nuts.
31
Reattach the breather tube to the pipe.
32
Reposition the blower housing.
33
Make sure the housing is properly seated on the air diverter.
34
Rethread and tighten the mounting bolts to secure the housing.
35
The longer bolts go in the back.
36
Replace the screw in the filter housing.
37
Reposition the air filter.
38
Realign the cover and rotate the retaining knobs clockwise to secure.
39
Reattach the oil drain tube to the blower housing.
40
Reinstall the hood or engine cover and reconnect the headlight wire harness if applicable.
Description
This video provides step-by-step repair instructions for replacing the carburetor float on a Briggs and Stratton small engine. The most common reason for replacing the float is when the engine is leaking gas.

All of the information for this carburetor float replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere

Tools needed: 1/4 inch socket or nut driver, 3/8th inch socket or nut driver, 7/16th inch socket, 5/16th inch wrench, Phillips-head screwdriver
Step-By-Step Instructions
1
Before you begin the procedure of removing the carburetor from the engine, make sure the engine has cooled, the ignition switch is in the off position, and the key has been removed if applicable.
2
If necessary, disconnect the headlight wire harness.
3
Then, lift up the hood or engine cover and detach it.
4
Now, rotate the air filter cover retaining knobs counterclockwise and pull off the cover.
5
Lift out the air filter.
6
Use a quarter inch socket or nut driver to unthread the screw inside the filter housing.
7
Now, use a 3/8 inch socket or wrench to unthread the four blower housing mounting bolts.
8
Detach the oil drain tube and lift off the blower housing.
9
Use a 7/16 inch socket to unthread the mounting nuts securing the air inlet pipe.
10
Detach the breather tube and set the pipe aside.
11
Use locking pliers to crimp the fuel line.
12
Release the retaining clamp and pull the fuel line off of the carburetor.
13
Disconnect the solenoid wire harness.
14
Use a 5/16 inch deep well socket or nut driver to unthread the carburetor mounting bolts.
15
Note the orientation of the linkages, then detach the throttle rod and spring and release the carburetor from the choke rod.
16
Use a Philips head screwdriver to remove the screws securing the carburetor bowl.
17
Remove the bowl.
18
Pull out the float pin, then lift out the old float and needle.
19
Prepare the new float for installation by hooking on the needle.
20
Now, insert the needle in the hole on the float base as you align the float, then secure it with the new pin.
21
Replace the bowl and secure it with the screws.
22
Now, reattach the carburetor to the choke rod.
23
Attach the throttle rod and spring.
24
Confirm that the gasket is in place on the intake manifold.
25
Position the carburetor, then thread the mounting bolts and tighten.
26
Connect the solenoid wire harness.
27
Attach the fuel line to the carburetor.
28
Secure it with the retaining clamp and remove the locking pliers.
29
Confirm that the o-ring is in place on the air inlet pipe.
30
Then, align the pipe on the carburetor and secure it with the mounting nuts.
31
Reattach the breather tube to the pipe.
32
Reposition the blower housing.
33
Make sure the housing is properly seated on the air diverter.
34
Rethread and tighten the mounting bolts to secure the housing.
35
The longer bolts go in the back.
36
Replace the screw in the filter housing.
37
Reposition the air filter.
38
Realign the cover and rotate the retaining knobs clockwise to secure.
39
Reattach the oil drain tube to the blower housing.
40
Reinstall the hood or engine cover and reconnect the headlight wire harness if applicable.

Applicable Product Model

icons/lawnmower
Model
Subtype
Product Diagram & Manuals
Parts Needed
Float
Float
$15.84
Total$0.00

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