DescriptionThis video provides step-by-step repair instructions for replacing the flywheel on a Craftsman chainsaw. The most common reason for replacing the flywheel is when the chainsaw won’t start.
All of the information for this chainsaw flywheel replacement video is applicable to the following brands:
Craftsman
Tools needed: T-25 Torx bit screwdriver, 13mm socket, large flat-head screwdriver
Step-By-Step Instructions1
Before you replace the flywheel on your chainsaw first make sure the engine has cooled. and that the on-off switch is in the “off” position.
2
Now use a t-25 torx bit screwdriver to remove the screws securing the starter assembly.
3
With the screws removed, pull off the assembly and lift off the air baffle.
4
Now unthread the knob securing the air filter cover and pull the cover off.
5
Remove the wire and boot from the spark plug.
6
Use the provided wrench to help loosen the spark plug then unthread it.
7
Confirm that the piston is in the “down” position then insert a cord into the cylinder to prevent the piston from moving.
8
Use a 13mm socket to help unthread the flywheel mounting nut.
9
Tap the flywheel with a mallet to loosen and use a large flat-head screwdriver to help pry the old flywheel off.
10
Install the new flywheel by aligning it on the crankshaft.
11
With the beveled edge facing down, slide on the washer then rethread the mounting nut and tighten.
12
Remove the cord from the cylinder.
13
Rethread the spark plug.
14
Be careful not to strip the threads by over tightening.
15
Reattach the wire and boot to the spark plug.
16
Realign the air filter cover and rethread the knob to secure.
17
Replace the air baffle and confirm that the ignition module wire sleeve is aligned in the groove.
18
Reposition the starter assembly and replace the screws to secure.
19
With the repair completed turn the on-off switch to the “on” position and your chainsaw should be ready for use.