DescriptionThis video provides step-by-step instructions for replacing the starter motor on Briggs and Stratton small engines, commonly found in Toro, John Deere, and Lawn Boy riding lawn mowers. The most common reason for replacing the starter motor is when the engine will not start, and testing proves the starter motor is at fault.
All of the information in this starter motor replacement video is applicable to the following brands: Briggs & Stratton, Toro, John Deere, Lawn Boy
Tools used: 1/4” socket or nut driver, 3/8” socket or nut driver, 7/16” wrench, 1/2” socket and wrench
Step-By-Step Instructions1
Before you replace the starter on your 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 wrench to help unthread the nut securing the wire to the starter.
10
Pull the wire off and use a half-inch socket and wrench to unthread the starter mounting bolts.
11
With the bolts unthreaded, detach the old starter.
12
Install the new starter by aligning it on the engine, then secure it with the mounting bolts.
13
Remember to secure the wire retainer under the left bolt and secure the wires before tightening the bolt.
14
Attach the wire to the starter and replace the nut to secure.
15
Reposition the blower housing.
16
Make sure the housing is properly seated on the air diverter.
17
Rethread and tighten the mounting bolts to secure the housing.
18
The longer bolts go in the back.
19
Replace the screw in the filter housing.
20
Reposition the air filter, realign the cover, and rotate the retaining knobs clockwise to secure.
21
Reattach the oil drain tube to the blower housing.
22
Reinstall the hood or engine cover and reconnect the headlight wire harness, if applicable.