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Honda Lawn Mower Won't Start? Ignition Coil #30500-Z0J-004

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This video provides step-by-step repair instructions for replacing the ignition coil on a Honda small engine. The most common reason for replacing the ignition coil is when the engine won’t start.

All of the information for this ignition coil replacement video is applicable to the following brands:
Honda

Tools needed: needle-nose pliers

Step By Step Instructions

1
Before you begin the repair, make sure the engine has cooled remove the wire and boot from the spark plug and turn the fuel valve off
2
Your first step is to remove the nuts securing the recoil starter to the mounting bolts
3
Pull the starter off and set it aside.
4
Now lift off the shroud and gas tank. Be aware some gasoline may spill out.
5
Disconnect the engine shut-off wire.
6
Use a 10 millimeter socket to remove the first ignition coil mounting bolt.
7
Use a 10 millimeter deep well socket or wrench to remove the second mounting bolt and pull the old ignition coil out. You’re now ready to install the new ignition coil.
8
Use a business card to help position the coil the correct distance from the flywheel and insert the mounting bolts.
9
Adjust the coil as necessary and tighten the bolts.
10
You can use a feeler gauge to confirm that the gap is set to manufacturer specifications.
11
Connect the engine shut-off wire and reposition the shroud and gas tank on the mounting bolts.
12
Align the recoil starter on the bolts and secure the nuts.
13
Turn the fuel valve back on and reattach the spark plug wire and boot.
Description
This video provides step-by-step repair instructions for replacing the ignition coil on a Honda small engine. The most common reason for replacing the ignition coil is when the engine won’t start.

All of the information for this ignition coil replacement video is applicable to the following brands:
Honda

Tools needed: needle-nose pliers
Step-By-Step Instructions
1
Before you begin the repair, make sure the engine has cooled remove the wire and boot from the spark plug and turn the fuel valve off
2
Your first step is to remove the nuts securing the recoil starter to the mounting bolts
3
Pull the starter off and set it aside.
4
Now lift off the shroud and gas tank. Be aware some gasoline may spill out.
5
Disconnect the engine shut-off wire.
6
Use a 10 millimeter socket to remove the first ignition coil mounting bolt.
7
Use a 10 millimeter deep well socket or wrench to remove the second mounting bolt and pull the old ignition coil out. You’re now ready to install the new ignition coil.
8
Use a business card to help position the coil the correct distance from the flywheel and insert the mounting bolts.
9
Adjust the coil as necessary and tighten the bolts.
10
You can use a feeler gauge to confirm that the gap is set to manufacturer specifications.
11
Connect the engine shut-off wire and reposition the shroud and gas tank on the mounting bolts.
12
Align the recoil starter on the bolts and secure the nuts.
13
Turn the fuel valve back on and reattach the spark plug wire and boot.

Applicable Product Model

Small Engine
Brand
Product Type
Model
Subtype
Product Diagram & Manuals
Parts Needed
Recommended Tools and Accessories
Fuel Tank
Fuel Tank
$29.18
Fuel Tank
Fuel Tank
$46.58
Total$0.00

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