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Old 08-29-2010, 11:15 PM
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GearNut GearNut is offline
Motorized Bicycle Elite Member
Join Date: Aug 2009
Location: San Diego, Kaliforgnia
Posts: 5,106
Default Re: Spark plug failure question

A plug can be bad right out of the box or it can last 50k miles plus.
As for breaking in a plug, they do not need to be broken in at all.
What do you have it gapped to?
"It's a chinagirl. It's a sometimes fun little engine that often will break your heart. It's disposable.

Does not come with a fortune cookie."
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