In this tutorial we will demonstrate how to bypass the Victa G4 carburetor ignition with a simple on off switch. This removes the constant need for service of the system the G4 carburetor uses. This is also the first thing to check if your lawn mower has no spark.
If your lawn mower previously had no spark (click here to watch video on testing spark plug), and if it now has a spark it means your G4 carburetor is worn out and the ignition wires are contacting. If you still have no spark your problem is likely the ignition module, which we will feature in future video.
Next, strip the wires and connect the extra wiring you have prepared. Then mount your switch and connect it to the wires, it will only matter which wire is connected to which if you have a toggle switch – reversing the wires will reverse the on/off parts of the switch.
Once the switch is installed you can replace the black rubber cover on the carburetor to stop dirt being sucked in.
We've created this site to provide clear instructions on how to repair various types of lawn mowers and other small engines. We also offer sales of refurbished lawn mowers, as well as servicing to keep your lawn mower running great.
If you have any questions head to the FAQ section of the site, if you need specific help visit the contact us page.