Home
Basic Dirt Bike How-To's - Video
Dirt Bike How-To's - Video
Living The Moto Life - Video
Bike Tests | Shoot-Outs - Video
Forums
What's new
Latest activity
Log-In
Join
What's new
Menu
Log-In
Join
Navigation
Install the app
Install
More options
Close Menu
Forums
MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
What makes a plug go bad?
Reply to thread
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Message
[QUOTE="dodgedogjb, post: 161459, member: 24246"] Thanks for all the help guys. The theory of the build up on the insulator is probably somewhat true. Let me first give my background so people don't think I'm just pulling this out of no-where. I have a Materials Science and Engineering degree with a specilization in Metallurgy. I work with several highly educated Ceramic Engineers and a great deal of my work includes working with high temperature (2500F) ceramic materials. After some discussion with several of these guys we partially disagree with the NGK statements. Yes, when a plug first comes out of an engine fouled, the carbon in the oil on the insulator can provide an easier path to ground resulting in no spark. However, a good cleaning should remove this oil from the surface. Ceramic materials, especially those used in spark plugs are extremely dense and it is very difficult to get carbon to diffuse into the surface of a ceramic at the very low temperatures that these engines are running at. While spark plugs are very easy to change and they are very cheap the fact remains that they should be able to be sufficiently cleaned and returned to operational use provided the plug is in good shape otherwise. I will be doing some testing of these fouled plugs and using various cleaners in the next few weeks. I have access to some pretty nasty chemicals so I should be able to get them sufficiently clean one way or another. I also have some high end electrical testing equipment that I should get some good electrical info from. I'll let you know. [/QUOTE]
Verification
Which ocean is California closest to?
Post reply
Forums
MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
What makes a plug go bad?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
Accept
Learn more…
Top
Bottom