DescriptionThis video provides step-by-step repair instructions for replacing the flywheel on a Briggs and Stratton small engine. The most common reason for replacing the flywheel is when the engine runs loudly or will not start.
All of the information for this flywheel replacement video is applicable to the following brands:
Briggs & Stratton, MTD
Tools needed: 5/16 inch socket or nut driver, spring clamp, 15/16 inch socket, mallet, flywheel puller
Step-By-Step Instructions1
Before you replace the flywheel on your engine 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.
3
Now loosen the rope guide wing nut and remove the starter rope.
4
Use a 5/16th inch socket or nut driver to unthread the bolts securing the blower housing cover.
6
Next, use a support to prevent the flywheel from rotating.
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Now use a 15/16th inch socket and strike it with a mallet to help loosen the flywheel mounting nut.
8
Unthread the nut and remove the flywheel cup.
9
Now depress the bail arm and use a spring clamp to hold the arm in place. You can use a flywheel puller and the mallet to help loosen the flywheel.
10
Lift off the old flywheel.
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Before you install the new flywheel make sure the flywheel key has been removed from the crankshaft.
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Align the notch in the flywheel with the slot in the crankshaft and push the key into place.
13
Remove the clamp from the bail arm.
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Align the flywheel cup on the flywheel.
15
Position the washer and thread the mounting nut.
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Use a torque wrench to torque the nut to 60 foot pounds.
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Replace the blower housing cover then thread and tighten the bolts to secure.
19
Depress the bail arm extend the starter rope and hook the rope on the guide.
20
Tighten the rope guide wing nut.
21
With the repair completed reattach the wire and boot to the spark plug and your engine should be ready for use.