Hello all!

I removed the sparkplug yesterday and I have some trouble the determine the health of my engine.. Can someone help to read My spark plug?
I have read that it should be pretty brown, but where do I read?

The Threads are � bit black, but the "bended" metal are Brown.. The ceramics are pretty white.. I don't know where to look?





If something is wrong, too hot or too cold, how can i setup the engine?

Thanks in advance!

Welcome to XT660.com mate!

Your plug looks pretty normal to me.

This may help for future reference...



You might want to resize your images a little!

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I wouldn't worry about a plug that looks like yours, it's well within the area of normal running.

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Thank you for the fast answer! =)

When I google everyone says different things where to look? I have understood that it should be something like chokolate brown, but I don't know where.. The white ceramics? Should that be chocolate brown or should the bent metal be brown or the threads?
Quite a newbie..

I will resize the pics as soon as My computer is available.. Im not home. Just using My ipad, that is trying to corrct my spelling all the time to wrong words.. (My native language is swedish) so excuse My spelling, it's My iPad that changes the words once in � while

I wouldn't worry about your spelling....your English is better than my Swedish!!









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Me: Honesty.
The Suit: Honesty? I don't think honesty could be construed as a weakness.
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Look at the ceramic insulator, central electrode and the earth electrode (bent bit of metal), the threads are less important and will normally be ever so slightly more sooty looking than the rest.

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