You’ll find useful resources on this page, tips, links to tools, parts and supplies required to complete your repair.
The ignition system of all small engines give a ton of trouble after the fueling system, the ignition system is the next most likely system to fail.
Checking for spark is one of the first test we do when diagnosing engine issues and listed below are the tools that make checking spark easy. Common causes of a lack of spark include:
- Plug dirty/wet/faulty
- Plug gap off
- Armature (coil) failure
- Faulty on/off switch
- Broken flywheel key
Tools & Parts
To nail this procedure you may need some of the following tools, parts and supplies.
Before we can do anything, we'll need tools. I've selected this set as I own some Craftsman tools and while I have worn some out, they did do a lot of work. So I expect this set will last the occasional user quite a long time.
This set carries both metric and standard sockets and that's important, because some mowers will have both type of fastener sizes. Picture links to Amazon.com
Briggs & Stratton Armature
Here's a common Briggs & Stratton Armature. It replaces old part numbers #591932, 799381 and 790817.
But don't order an armature without first checking your engine number or part number. Briggs have many different armatures that look similar, ordering by sight isn't advised.
Picture links to Amazon.com
Teng 1/2 Torque wrench, fantastic tool I use it every day and mine is still going strong. A torque wrench is advised for tightening components such as flywheel nuts and blades. The torque spec of these components is very important. Picture links to Amazon.com
If you are considering buying a torque wrench, definitely check out my review of Teng torque wrench.